[gentoo-commits] repo/gentoo:master commit in: profiles/default/linux/amd64/17.0/desktop/plasma/systemd/, profiles/arch/arm64/, ...

[Ulrich Müller]

commit:     abc0ab8c49ce257499f1b0d2defda707d2f0ae72
Author:     Ulrich Müller <ulm <AT> gentoo <DOT> org>
AuthorDate: Mon Jul  1 10:56:14 2019 +0000
Commit:     Ulrich Müller <ulm <AT> gentoo <DOT> org>
CommitDate: Mon Jul  1 11:01:22 2019 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=abc0ab8c

profiles: Update all files to YYYY-MM-DD date format.

Signed-off-by: Ulrich Müller <ulm <AT> gentoo.org>

 profiles/arch/alpha/make.defaults                  |   8 +-
 profiles/arch/alpha/package.mask                   |   2 +-
 profiles/arch/alpha/package.use                    |   2 +-
 profiles/arch/alpha/package.use.mask               | 180 ++++++++--------
 profiles/arch/alpha/package.use.stable.mask        |  12 +-
 profiles/arch/alpha/use.mask                       |  38 ++--
 profiles/arch/alpha/use.stable.mask                |   8 +-
 profiles/arch/amd64-fbsd/make.defaults             |   4 +-
 profiles/arch/amd64-fbsd/package.use.force         |   6 +-
 profiles/arch/amd64-fbsd/package.use.mask          |  62 +++---
 profiles/arch/amd64-fbsd/use.mask                  |  38 ++--
 profiles/arch/amd64/make.defaults                  |  16 +-
 profiles/arch/amd64/no-multilib/make.defaults      |   2 +-
 profiles/arch/amd64/no-multilib/package.mask       |   4 +-
 profiles/arch/amd64/no-multilib/package.use.force  |   2 +-
 profiles/arch/amd64/no-multilib/package.use.mask   |   8 +-
 profiles/arch/amd64/no-multilib/use.mask           |   6 +-
 profiles/arch/amd64/package.use                    |  10 +-
 profiles/arch/amd64/package.use.force              |  14 +-
 profiles/arch/amd64/package.use.mask               | 142 ++++++------
 profiles/arch/amd64/package.use.stable.mask        |  42 ++--
 profiles/arch/amd64/use.force                      |   2 +-
 profiles/arch/amd64/use.mask                       |  54 ++---
 profiles/arch/amd64/use.stable.mask                |  12 +-
 profiles/arch/amd64/x32/make.defaults              |   4 +-
 profiles/arch/amd64/x32/package.mask               |  10 +-
 profiles/arch/amd64/x32/package.use.force          |   2 +-
 profiles/arch/amd64/x32/package.use.mask           |   4 +-
 profiles/arch/amd64/x32/use.force                  |   2 +-
 profiles/arch/amd64/x32/use.mask                   |   2 +-
 profiles/arch/arm/armv4/package.mask               |   2 +-
 profiles/arch/arm/armv4t/package.mask              |   2 +-
 profiles/arch/arm/armv5te/package.mask             |   2 +-
 profiles/arch/arm/armv6j/package.mask              |   2 +-
 profiles/arch/arm/armv7a/package.mask              |   6 +-
 profiles/arch/arm/make.defaults                    |   4 +-
 profiles/arch/arm/package.mask                     |   6 +-
 profiles/arch/arm/package.use.force                |   6 +-
 profiles/arch/arm/package.use.mask                 | 232 ++++++++++----------
 profiles/arch/arm/package.use.stable.mask          |  64 +++---
 profiles/arch/arm/use.mask                         |  28 +--
 profiles/arch/arm/use.stable.mask                  |   8 +-
 profiles/arch/arm64/big-endian/use.mask            |   2 +-
 profiles/arch/arm64/make.defaults                  |   4 +-
 profiles/arch/arm64/package.use                    |   2 +-
 profiles/arch/arm64/package.use.force              |   6 +-
 profiles/arch/arm64/package.use.mask               | 226 +++++++++----------
 profiles/arch/arm64/package.use.stable.mask        |  40 ++--
 profiles/arch/arm64/use.mask                       |  26 +--
 profiles/arch/arm64/use.stable.mask                |  18 +-
 profiles/arch/base/package.use.mask                | 122 +++++------
 profiles/arch/base/use.force                       |   2 +-
 profiles/arch/base/use.mask                        |  30 +--
 profiles/arch/hppa/make.defaults                   |   4 +-
 profiles/arch/hppa/package.use.mask                | 104 ++++-----
 profiles/arch/hppa/package.use.stable.mask         |  24 +--
 profiles/arch/hppa/use.mask                        | 128 +++++------
 profiles/arch/hppa/use.stable.mask                 |  10 +-
 profiles/arch/ia64/make.defaults                   |   8 +-
 profiles/arch/ia64/package.use                     |   2 +-
 profiles/arch/ia64/package.use.force               |   2 +-
 profiles/arch/ia64/package.use.mask                | 160 +++++++-------
 profiles/arch/ia64/package.use.stable.mask         |  12 +-
 profiles/arch/ia64/use.mask                        |  38 ++--
 profiles/arch/ia64/use.stable.mask                 |   8 +-
 profiles/arch/m68k/make.defaults                   |   2 +-
 profiles/arch/m68k/package.use.force               |   2 +-
 profiles/arch/m68k/package.use.mask                |  16 +-
 profiles/arch/m68k/use.mask                        |   8 +-
 profiles/arch/mips/make.defaults                   |   4 +-
 profiles/arch/mips/mips64/multilib/use.mask        |   2 +-
 .../arch/mips/mipsel/mips64el/multilib/use.mask    |   2 +-
 profiles/arch/mips/mipsel/use.mask                 |   2 +-
 profiles/arch/mips/package.use.force               |   2 +-
 profiles/arch/mips/package.use.mask                |  78 +++----
 profiles/arch/mips/use.mask                        |  56 ++---
 profiles/arch/powerpc/package.mask                 |   6 +-
 profiles/arch/powerpc/package.use                  |   4 +-
 profiles/arch/powerpc/package.use.force            |   8 +-
 profiles/arch/powerpc/package.use.mask             | 158 +++++++-------
 profiles/arch/powerpc/package.use.stable.mask      |  30 +--
 profiles/arch/powerpc/packages                     |   2 +-
 profiles/arch/powerpc/ppc32/make.defaults          |   8 +-
 profiles/arch/powerpc/ppc32/package.use.mask       |  44 ++--
 .../arch/powerpc/ppc32/package.use.stable.mask     |  16 +-
 profiles/arch/powerpc/ppc32/use.mask               |   8 +-
 profiles/arch/powerpc/ppc32/use.stable.mask        |   8 +-
 profiles/arch/powerpc/ppc64/32ul/make.defaults     |   2 +-
 profiles/arch/powerpc/ppc64/32ul/package.use.mask  |   4 +-
 profiles/arch/powerpc/ppc64/32ul/use.force         |   2 +-
 profiles/arch/powerpc/ppc64/32ul/use.mask          |   2 +-
 profiles/arch/powerpc/ppc64/64le/package.mask      |   6 +-
 profiles/arch/powerpc/ppc64/64le/use.mask          |   4 +-
 profiles/arch/powerpc/ppc64/64ul/package.mask      |   2 +-
 profiles/arch/powerpc/ppc64/64ul/package.use.mask  |   6 +-
 profiles/arch/powerpc/ppc64/64ul/use.mask          |  18 +-
 profiles/arch/powerpc/ppc64/make.defaults          |   4 +-
 profiles/arch/powerpc/ppc64/package.mask           |   2 +-
 profiles/arch/powerpc/ppc64/package.use            |   2 +-
 profiles/arch/powerpc/ppc64/package.use.force      |   2 +-
 profiles/arch/powerpc/ppc64/package.use.mask       |  44 ++--
 .../arch/powerpc/ppc64/package.use.stable.mask     |   8 +-
 profiles/arch/powerpc/ppc64/use.mask               |  10 +-
 profiles/arch/powerpc/ppc64/use.stable.mask        |   2 +-
 profiles/arch/powerpc/use.mask                     |  38 ++--
 profiles/arch/powerpc/use.stable.mask              |   6 +-
 profiles/arch/s390/make.defaults                   |   2 +-
 profiles/arch/s390/package.use.force               |   2 +-
 profiles/arch/s390/package.use.mask                |  32 +--
 profiles/arch/s390/s390x/make.defaults             |   2 +-
 profiles/arch/s390/s390x/package.use.force         |   2 +-
 profiles/arch/s390/use.mask                        |   8 +-
 profiles/arch/sh/make.defaults                     |   4 +-
 profiles/arch/sh/package.use.mask                  |  32 +--
 profiles/arch/sh/use.mask                          |  12 +-
 profiles/arch/sparc/make.defaults                  |   4 +-
 profiles/arch/sparc/package.mask                   |   2 +-
 profiles/arch/sparc/package.use                    |   2 +-
 profiles/arch/sparc/package.use.force              |   2 +-
 profiles/arch/sparc/package.use.mask               | 164 +++++++-------
 profiles/arch/sparc/package.use.stable.mask        |  18 +-
 profiles/arch/sparc/use.mask                       |  42 ++--
 profiles/arch/sparc/use.stable.mask                |  16 +-
 profiles/arch/x86-fbsd/make.defaults               |   6 +-
 profiles/arch/x86-fbsd/package.use.force           |   2 +-
 profiles/arch/x86-fbsd/package.use.mask            |  26 +--
 profiles/arch/x86-fbsd/use.mask                    |  12 +-
 profiles/arch/x86/make.defaults                    |  14 +-
 profiles/arch/x86/package.use                      |   4 +-
 profiles/arch/x86/package.use.force                |   6 +-
 profiles/arch/x86/package.use.mask                 | 130 +++++------
 profiles/arch/x86/package.use.stable.mask          |  42 ++--
 profiles/arch/x86/use.force                        |   2 +-
 profiles/arch/x86/use.mask                         |  44 ++--
 profiles/arch/x86/use.stable.mask                  |  12 +-
 profiles/base/make.defaults                        |  52 ++---
 profiles/base/package.use                          |  10 +-
 profiles/base/package.use.force                    |  28 +--
 profiles/base/package.use.mask                     | 240 ++++++++++-----------
 profiles/base/package.use.stable.mask              |  92 ++++----
 profiles/base/use.mask                             |  20 +-
 profiles/base/use.stable.mask                      |   6 +-
 profiles/default/bsd/fbsd/make.defaults            |   4 +-
 profiles/default/bsd/fbsd/package.mask             |   4 +-
 profiles/default/bsd/fbsd/package.use              |   4 +-
 profiles/default/bsd/fbsd/package.use.mask         |  44 ++--
 profiles/default/bsd/fbsd/profile.bashrc           |   2 +-
 profiles/default/bsd/package.mask                  |   4 +-
 profiles/default/bsd/package.use                   |   2 +-
 profiles/default/bsd/package.use.force             |   2 +-
 profiles/default/bsd/package.use.mask              |  28 +--
 profiles/default/bsd/use.mask                      |   2 +-
 profiles/default/linux/alpha/17.0/use.mask         |   2 +-
 .../amd64/17.0/desktop/plasma/systemd/package.use  |   2 +-
 .../default/linux/amd64/17.0/musl/make.defaults    |   2 +-
 .../default/linux/amd64/17.0/uclibc/make.defaults  |   2 +-
 .../amd64/17.1/desktop/plasma/systemd/package.use  |   2 +-
 profiles/default/linux/amd64/package.use.mask      |   4 +-
 .../arm/17.0/desktop/plasma/systemd/package.use    |   2 +-
 profiles/default/linux/arm/package.use.mask        |   4 +-
 .../default/linux/arm64/17.0/musl/make.defaults    |   4 +-
 profiles/default/linux/arm64/package.use.mask      |   6 +-
 profiles/default/linux/hppa/package.use.mask       |   4 +-
 profiles/default/linux/ia64/17.0/use.mask          |   2 +-
 profiles/default/linux/make.defaults               |  16 +-
 profiles/default/linux/mips/package.use.mask       |   2 +-
 profiles/default/linux/musl/mips/make.defaults     |   2 +-
 profiles/default/linux/musl/mips/package.use.force |   2 +-
 profiles/default/linux/musl/package.use            |   2 +-
 profiles/default/linux/package.use                 |   6 +-
 profiles/default/linux/package.use.mask            |  24 +--
 profiles/default/linux/powerpc/package.use.mask    |   4 +-
 .../linux/powerpc/ppc32/17.0/musl/make.defaults    |   2 +-
 .../linux/powerpc/ppc32/17.0/uclibc/make.defaults  |   2 +-
 .../linux/powerpc/ppc32/17.0/uclibc/package.use    |   2 +-
 .../powerpc/ppc32/17.0/uclibc/package.use.mask     |   4 +-
 profiles/default/linux/sparc/17.0/package.use.mask |   2 +-
 profiles/default/linux/sparc/17.0/use.stable.mask  |   2 +-
 profiles/default/linux/sparc/package.use.mask      |   4 +-
 profiles/default/linux/uclibc/mips/make.defaults   |   2 +-
 .../default/linux/uclibc/mips/package.use.force    |   2 +-
 .../default/linux/uclibc/mips/package.use.mask     |  10 +-
 profiles/default/linux/uclibc/package.use          |   2 +-
 profiles/default/linux/uclibc/package.use.mask     |   6 +-
 profiles/default/linux/uclibc/use.mask             |   2 +-
 profiles/default/linux/use.mask                    |   4 +-
 .../x86/17.0/desktop/plasma/systemd/package.use    |   2 +-
 .../default/linux/x86/17.0/uclibc/make.defaults    |   2 +-
 profiles/default/linux/x86/package.use.mask        |   4 +-
 profiles/features/hardened/amd64/package.use       |   2 +-
 profiles/features/hardened/make.defaults           |   2 +-
 profiles/features/hardened/package.use.mask        |   2 +-
 profiles/features/multilib/make.defaults           |   2 +-
 profiles/features/multilib/use.mask                |   2 +-
 profiles/features/musl/package.use                 |   2 +-
 profiles/features/prefix/make.defaults             |   4 +-
 profiles/features/prefix/package.mask              |   8 +-
 profiles/features/prefix/package.use.mask          |  16 +-
 profiles/features/prefix/rpath/use.mask            |   2 +-
 .../prefix/standalone/kernel-2.6.16+/package.mask  |   2 +-
 .../standalone/kernel-2.6.16+/package.use.mask     |   2 +-
 .../features/prefix/standalone/package.use.mask    |   2 +-
 profiles/features/selinux/package.mask             |   8 +-
 profiles/features/selinux/package.use.force        |   8 +-
 profiles/features/selinux/package.use.mask         |   8 +-
 profiles/features/uclibc/package.use               |   4 +-
 profiles/features/uclibc/package.use.mask          |   6 +-
 profiles/features/uclibc/use.mask                  |   2 +-
 profiles/hardened/linux/musl/package.use.mask      |   2 +-
 profiles/hardened/linux/uclibc/package.use.mask    |   2 +-
 profiles/prefix/aix/package.mask                   |   4 +-
 profiles/prefix/aix/package.unmask                 |   4 +-
 profiles/prefix/aix/package.use.mask               |   2 +-
 profiles/prefix/darwin/macos/10.10/package.mask    |   2 +-
 profiles/prefix/darwin/macos/10.10/package.unmask  |   2 +-
 .../prefix/darwin/macos/10.10/package.use.mask     |   2 +-
 .../darwin/macos/10.10/x64/package.use.force       |   2 +-
 .../darwin/macos/10.10/x86/package.use.force       |   2 +-
 profiles/prefix/darwin/macos/10.11/package.mask    |   2 +-
 profiles/prefix/darwin/macos/10.11/package.unmask  |   2 +-
 .../prefix/darwin/macos/10.11/package.use.mask     |   2 +-
 .../darwin/macos/10.11/x64/package.use.force       |   2 +-
 .../darwin/macos/10.11/x86/package.use.force       |   2 +-
 profiles/prefix/darwin/macos/10.12/package.mask    |   2 +-
 profiles/prefix/darwin/macos/10.12/package.unmask  |   2 +-
 .../prefix/darwin/macos/10.12/package.use.mask     |   2 +-
 .../darwin/macos/10.12/x64/package.use.force       |   2 +-
 .../darwin/macos/10.12/x86/package.use.force       |   2 +-
 profiles/prefix/darwin/macos/10.13/package.mask    |   2 +-
 profiles/prefix/darwin/macos/10.13/package.unmask  |   2 +-
 .../prefix/darwin/macos/10.13/package.use.mask     |   2 +-
 .../darwin/macos/10.13/x64/package.use.force       |   2 +-
 .../darwin/macos/10.13/x86/package.use.force       |   2 +-
 profiles/prefix/darwin/macos/10.14/package.mask    |   2 +-
 profiles/prefix/darwin/macos/10.14/package.unmask  |   2 +-
 .../prefix/darwin/macos/10.14/package.use.mask     |   2 +-
 .../darwin/macos/10.14/x64/package.use.force       |   2 +-
 .../darwin/macos/10.14/x86/package.use.force       |   2 +-
 profiles/prefix/darwin/macos/10.4/package.mask     |   6 +-
 profiles/prefix/darwin/macos/10.4/package.use.mask |   2 +-
 .../prefix/darwin/macos/10.4/x86/package.use.force |   2 +-
 profiles/prefix/darwin/macos/10.5/package.mask     |   4 +-
 profiles/prefix/darwin/macos/10.5/package.use.mask |   2 +-
 profiles/prefix/darwin/macos/10.5/ppc/package.mask |   2 +-
 .../prefix/darwin/macos/10.5/ppc/package.use.force |   2 +-
 .../prefix/darwin/macos/10.5/x64/package.use.force |   2 +-
 .../prefix/darwin/macos/10.5/x86/package.use.force |   2 +-
 .../prefix/darwin/macos/10.6/x64/package.use.force |   2 +-
 .../prefix/darwin/macos/10.6/x86/package.use.force |   2 +-
 profiles/prefix/darwin/macos/10.7/package.use.mask |   2 +-
 .../prefix/darwin/macos/10.7/x64/package.use.force |   2 +-
 .../prefix/darwin/macos/10.7/x86/package.use.force |   2 +-
 profiles/prefix/darwin/macos/10.8/package.mask     |   2 +-
 profiles/prefix/darwin/macos/10.8/package.unmask   |   2 +-
 profiles/prefix/darwin/macos/10.8/package.use.mask |   2 +-
 .../prefix/darwin/macos/10.8/x64/package.use.force |   2 +-
 .../prefix/darwin/macos/10.8/x86/package.use.force |   2 +-
 profiles/prefix/darwin/macos/10.9/package.mask     |   2 +-
 profiles/prefix/darwin/macos/10.9/package.unmask   |   2 +-
 profiles/prefix/darwin/macos/10.9/package.use.mask |   2 +-
 .../prefix/darwin/macos/10.9/x64/package.use.force |   2 +-
 .../prefix/darwin/macos/10.9/x86/package.use.force |   2 +-
 profiles/prefix/darwin/macos/arch/ppc/package.mask |   4 +-
 .../prefix/darwin/macos/arch/ppc/package.use.force |   2 +-
 .../prefix/darwin/macos/arch/ppc/package.use.mask  |   4 +-
 .../prefix/darwin/macos/arch/x64/package.use.force |   4 +-
 .../prefix/darwin/macos/arch/x64/package.use.mask  |   6 +-
 .../prefix/darwin/macos/arch/x86/package.use.force |   4 +-
 .../prefix/darwin/macos/arch/x86/package.use.mask  |   4 +-
 profiles/prefix/darwin/macos/package.mask          |  10 +-
 profiles/prefix/darwin/macos/package.use.force     |   4 +-
 profiles/prefix/darwin/macos/package.use.mask      |  10 +-
 profiles/prefix/darwin/package.mask                |  12 +-
 profiles/prefix/darwin/package.use.mask            |  18 +-
 profiles/prefix/linux/amd64/make.defaults          |   2 +-
 profiles/prefix/linux/make.defaults                |   8 +-
 profiles/prefix/linux/package.mask                 |   2 +-
 profiles/prefix/linux/package.use.mask             |   2 +-
 profiles/prefix/linux/use.mask                     |   2 +-
 profiles/prefix/mint/package.use.force             |   2 +-
 profiles/prefix/mint/package.use.mask              |   6 +-
 profiles/prefix/package.mask                       |   6 +-
 profiles/prefix/package.use.mask                   |  12 +-
 profiles/prefix/sunos/solaris/5.10/use.mask        |   2 +-
 .../prefix/sunos/solaris/5.11/package.use.mask     |   2 +-
 profiles/prefix/sunos/solaris/5.9/package.mask     |   4 +-
 profiles/prefix/sunos/solaris/5.9/package.use.mask |   2 +-
 profiles/prefix/sunos/solaris/5.9/use.mask         |   2 +-
 .../prefix/sunos/solaris/arch/sparc/package.mask   |   2 +-
 .../sunos/solaris/arch/sparc/package.use.mask      |   2 +-
 .../prefix/sunos/solaris/arch/sparc64/package.mask |   2 +-
 .../sunos/solaris/arch/sparc64/package.use.mask    |   2 +-
 profiles/prefix/sunos/solaris/package.mask         |  14 +-
 profiles/prefix/sunos/solaris/package.unmask       |   2 +-
 profiles/prefix/sunos/solaris/package.use.force    |   2 +-
 profiles/prefix/sunos/solaris/package.use.mask     |  14 +-
 profiles/prefix/use.mask                           |   4 +-
 profiles/prefix/windows/cygwin/package.mask        |  10 +-
 profiles/prefix/windows/cygwin/package.unmask      |   2 +-
 profiles/prefix/windows/cygwin/package.use         |   6 +-
 profiles/prefix/windows/package.mask               |   2 +-
 profiles/prefix/windows/winnt/package.use.mask     |   2 +-
 profiles/releases/17.0/package.mask                |   4 +-
 profiles/releases/17.0/package.use.force           |   2 +-
 profiles/releases/17.0/package.use.mask            |   2 +-
 profiles/releases/freebsd-11.1/package.mask        |   4 +-
 profiles/releases/freebsd-11.1/package.use.mask    |   2 +-
 profiles/releases/freebsd-11.1/use.mask            |   6 +-
 profiles/targets/desktop/gnome/package.use         |   2 +-
 profiles/targets/desktop/package.use               |  42 ++--
 profiles/targets/desktop/package.use.force         |   2 +-
 profiles/targets/systemd/package.mask              |   2 +-
 profiles/targets/systemd/package.use               |   2 +-
 profiles/targets/systemd/package.use.force         |   2 +-
 profiles/targets/systemd/package.use.mask          |   4 +-
 315 files changed, 2243 insertions(+), 2243 deletions(-)

diff --git a/profiles/arch/alpha/make.defaults b/profiles/arch/alpha/make.defaults
index 88a898517d0..6bbfb630313 100644
--- a/profiles/arch/alpha/make.defaults
+++ b/profiles/arch/alpha/make.defaults
@@ -10,7 +10,7 @@ CXXFLAGS="${CFLAGS}"
 FFLAGS="${CFLAGS}"
 FCFLAGS="${CFLAGS}"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Set ABI & DEFAULT_ABI consistently with ${ARCH}, to make ebuild
 # checks simpler.
 ABI="alpha"
@@ -19,16 +19,16 @@ MULTILIB_ABIS="alpha"
 CHOST_alpha="${CHOST}"
 LIBDIR_alpha="lib"
 
-# 2006/08/18 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-08-18)
 # Defaults for video drivers
 VIDEO_CARDS="fbdev glint mga nv r128 radeon"
 
-# 2007/02/05 - Chris Gianelloni <wolf31o2@g.o>
+# Chris Gianelloni <wolf31o2@g.o> (2007-02-05)
 # Defaults for audio drivers. These are copied from x86 (minus modems), since
 # Alpha supports the same busses.
 ALSA_CARDS="ali5451 als4000 bt87x ca0106 cmipci emu10k1 ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 maestro3 trident usb-audio via82xx ymfpci"
 
-# Tobias Klausmann <klausman@g.o> (25 Jun 2018)
+# Tobias Klausmann <klausman@g.o> (2018-06-25)
 # Enable USE=libtirpc by default, to ease dependency resolution during
 # the stabilization of glibc-2.26. Bug 657148
 USE="libtirpc"

diff --git a/profiles/arch/alpha/package.mask b/profiles/arch/alpha/package.mask
index 30c85a1ca8e..8b463761996 100644
--- a/profiles/arch/alpha/package.mask
+++ b/profiles/arch/alpha/package.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Alexey Shvetsov <alexxy@g.o> (21 May 2012)
+# Alexey Shvetsov <alexxy@g.o> (2012-05-21)
 # Need deps pecl-apc and pecl-uploadprogress bug #416897
 >=www-apps/drupal-7.14

diff --git a/profiles/arch/alpha/package.use b/profiles/arch/alpha/package.use
index d23d889b2e2..0e17589c3f3 100644
--- a/profiles/arch/alpha/package.use
+++ b/profiles/arch/alpha/package.use
@@ -1,6 +1,6 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Pacho Ramos <pacho@g.o> (15 Feb 2014)    
+# Pacho Ramos <pacho@g.o> (2014-02-15)
 # libev isn't supported on this arch, use another default (#499498)
 dev-libs/libverto libevent

diff --git a/profiles/arch/alpha/package.use.mask b/profiles/arch/alpha/package.use.mask
index de08d9bd5ed..11617b3a8d3 100644
--- a/profiles/arch/alpha/package.use.mask
+++ b/profiles/arch/alpha/package.use.mask
@@ -1,50 +1,50 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Lars Wendler <polynomial-c@g.o> (29 Apr 2019)
+# Lars Wendler <polynomial-c@g.o> (2019-04-29)
 # Requires net-libs/webkit-gtk which has no keywords on alpha
 dev-util/geany-plugins markdown
 
-# Tobias Klausmann <klausman@××××××.rog> (23/Nov/2018)
+# Tobias Klausmann <klausman@××××××.rog> (2018-11-23)
 # Requires sys-cluster/ceph, which is unlikely to be used on Alpha
 # and a rather large dependency.
 sys-fs/multipath-tools rbd
 
-# Thomas Deutschmann <whissi@g.o> (15 Oct 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-10-15)
 # Requires app-text/mecab which isn't yet keyworded
 # on alpha, bug 668674
 dev-db/mysql cjk
 dev-db/percona-server cjk
 
-# Mikle Kolyada <zlogene@g.o> (05 Oct 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-10-05)
 # Not keyworded (see bug #540540c#8)
 app-admin/sudo sssd
 
-# Andreas Sturmlechner <asturm@g.o> (30 Sep 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-09-30)
 # Optional dependency blocking security cleanup, bug #627316
 media-sound/mpd wildmidi
 
-# Joonas Niilola <juippis@×××××.com> (09 Sep 2018)
+# Joonas Niilola <juippis@×××××.com> (2018-09-09)
 # Optional dependency blocking updates.
 media-plugins/imlib2_loaders eet
 
-# Joonas Niilola <juippis@×××××.com> (17 Jun 2018)
+# Joonas Niilola <juippis@×××××.com> (2018-06-17)
 # Optional dependency not available for this arch
 dev-libs/efl vlc
 
-# Thomas Deutschmann <whissi@g.o> (06 Jun 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-06-06)
 # Needs sys-apps/fakechroot which isn't keyworded
 app-arch/rpm test
 
-# Tomáš Mózes <hydrapolic@×××××.com> (05 Jun 2018)
+# Tomáš Mózes <hydrapolic@×××××.com> (2018-06-05)
 # Unkeyworded dependencies.
 app-admin/syslog-ng amqp mongodb
 
-# Thomas Deutschmann <whissi@g.o> (02 Jun 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-06-02)
 # Needs dev-ruby/asciidoctor which has a lot of unstable deps
 net-analyzer/wireshark doc
 
-# Tobias Klausmann <klausman@g.o> (22 Mar 2018)
+# Tobias Klausmann <klausman@g.o> (2018-03-22)
 # Masked due to missing deps. Some *could* have their deps keyworded,
 # but we're trying to keep the maintenance load low.
 app-metrics/collectd collectd_plugins_amqp
@@ -65,159 +65,159 @@ app-metrics/collectd collectd_plugins_write_mongodb
 app-metrics/collectd collectd_plugins_xencpu
 app-metrics/collectd collectd_plugins_java
 
-# Michael Palimaka <kensington@g.o> (30 Sep 2017)
+# Michael Palimaka <kensington@g.o> (2017-09-30)
 # Required dependencies are not keyworded.
 x11-themes/qtcurve plasma
 
-# Brian Evans <grknight@g.o> (21 Aug 2017)
+# Brian Evans <grknight@g.o> (2017-08-21)
 # No keywords for sys-process/numactl
 dev-db/mariadb numa
 
-# Gilles Dartiguelongue <eva@g.o> (16 Aug 2017)
+# Gilles Dartiguelongue <eva@g.o> (2017-08-16)
 # missing keyword on dev-python/dbusmock, bug #620024
 >=gnome-base/gnome-settings-daemon-3.24 test
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Required VIDEO_CARDS=i965/radeonsi, both masked in this profile.
 media-libs/mesa vulkan vulkan-overlay
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=seccomp that is masked in this profile.
 net-libs/gnutls test-full
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=bluetooth that is masked in this profile.
 media-sound/pulseaudio native-headset
 
-# Robin H. Johnson <robbat2@g.o> (05 Aug 2017)
+# Robin H. Johnson <robbat2@g.o> (2017-08-05)
 # Upstream Git is switching to PCRE2 w/ JIT.
 # This is not available on some arches, where a fallback to PCRE1 without JIT is used.
 dev-vcs/git pcre-jit
 
-# Tobias Klausmann <klausman@g.o> (18 May 2017)
+# Tobias Klausmann <klausman@g.o> (2017-05-18)
 # Stack protector code is not ported to alpha (and may not ever be)
 >=sys-devel/gcc-6 ssp
 
-# Tobias Klausmann <klausman@g.o> (02 Mar 2017)
+# Tobias Klausmann <klausman@g.o> (2017-03-02)
 # libilbc has not been ported to alpha and likely never will be.
 media-video/ffmpeg libilbc
 
-# Tobias Klausmann <klausman@g.o> (02 Mar 2017)
+# Tobias Klausmann <klausman@g.o> (2017-03-02)
 # BSON requires pymongo and assorted other packages that are not available on
 # alpha.
 app-portage/g-sorcery bson
 
-# Tobias Klausmann <klausman@g.o> (27 Jan 2016)
+# Tobias Klausmann <klausman@g.o> (2016-01-27)
 # USE=test transitively pulls in greenlet, which is not available on alpha.
 dev-python/pyquery test
 
-# Tobias Klausmann <klausman@g.o> (25 Jan 2016)
+# Tobias Klausmann <klausman@g.o> (2016-01-25)
 # The tests use hypothesis which complains about too-slow tests on
 # hardware that is "too slow".
 dev-python/attrs test
 
-# Tobias Klausmann <klausman@g.o> (22 Jan 2016)
+# Tobias Klausmann <klausman@g.o> (2016-01-22)
 # Requires guile2 which is keyworded nowhere
 media-sound/lilypond guile2
 
-# Tobias Klausmann <klausman@g.o> (15 Nov 2016)
+# Tobias Klausmann <klausman@g.o> (2016-11-15)
 # JITing for libpcre{,2} is not supported on Alpha
 dev-libs/libpcre jit
 dev-libs/libpcre2 jit
 
-# Tobias Klausmann <klausman@g.o> (22 Oct 2016)
+# Tobias Klausmann <klausman@g.o> (2016-10-22)
 # Pulls in dev-db/redis which is not keyworded on alpha.
 dev-python/pyzor test
 
-# Tobias Klausmann <klausman@g.o> (03 Oct 2016)
+# Tobias Klausmann <klausman@g.o> (2016-10-03)
 # Pulls in dev-db/redis which is not keyworded on alpha.
 >=dev-libs/hiredis-0.13.1 test
 
-# Tobias Klausmann <klausman@g.o> (02 Oct 2016)
+# Tobias Klausmann <klausman@g.o> (2016-10-02)
 # For the one single version noted hereunder, the ebuild does not pull in
 # sys-apps/fakeroot as a test dependency (bug #593768).
 =dev-util/debhelper-9.20160814 test
 
-# Gilles Dartiguelongue <eva@g.o> (11 Sep 2016)
+# Gilles Dartiguelongue <eva@g.o> (2016-09-11)
 # networkmanager USE masked due to missing keywords
 gnome-extra/nm-applet teamd
 
-# Gilles Dartiguelongue <eva@g.o> (11 Sep 2016)
+# Gilles Dartiguelongue <eva@g.o> (2016-09-11)
 # Opt-out of ofono support until there is a user request,
 # see also pulseaudio/connman
 net-misc/networkmanager ofono
 
-# Tobias Klausmann <klausman@g.o> (04 Jul 2016)
+# Tobias Klausmann <klausman@g.o> (2016-07-04)
 # Mask USE=test since it implies USE=valgrind
 net-mail/notmuch test
 
-# Tobias Klausmann <klausman@g.o> (14 Jun 2016)
+# Tobias Klausmann <klausman@g.o> (2016-06-14)
 # asciidoctor pulls in a lot of Ruby deps
 >=net-misc/chrony-2.4_pre1 html
 
-# Tobias Klausmann <klausman@g.o> (07 Jun 2016)
+# Tobias Klausmann <klausman@g.o> (2016-06-07)
 # cmus is one amongst many. When-if a user wants it, we'll reconsider it.
 # Same goes for libircclient
 app-admin/conky cmus irc
 
-# Tobias Klausmann <klausman@g.o> (07 Jun 2016)
+# Tobias Klausmann <klausman@g.o> (2016-06-07)
 # the nvidia SDK needs nvidia-drivers and thus can never work on alpha
 # Likewise, nasm is x86/x86-64 only
 media-video/ffmpeg nvenc openh264
 
-# Justin Lecher <jlec@g.o> (22 Feb 2016)
+# Justin Lecher <jlec@g.o> (2016-02-22)
 # Missing test deps keyword #575366
 dev-cpp/eigen test
 
-# Tobias Klausmann <klausman@g.o> 04 Feb 2016
+# Tobias Klausmann <klausman@g.o> (2016-02-04)
 # sys-cluster/ceph is not broken per se, but a maintenance burden.
 net-analyzer/rrdtool rados
 
-# James Le Cuirot <chewi@g.o> (30 Jan 2016)
+# James Le Cuirot <chewi@g.o> (2016-01-30)
 # scrollview requires Java, which is unsupported on Alpha.
 app-text/tesseract scrollview
 
-# Justin Lecher <jlec@g.o> (18 Nov 2015)
+# Justin Lecher <jlec@g.o> (2015-11-18)
 # requires dev-python/restkit which requires
 # dev-python/socketpool which requires dev-python/gevent which requires
 # dev-python/greenlet which has not been ported to ALPHA
 dev-python/wsgiproxy2 test
 dev-python/pyquery test
 
-# Matt Turner <mattst88@g.o> (15 Nov 2015)
+# Matt Turner <mattst88@g.o> (2015-11-15)
 # Missing keywords
 dev-util/perf numa
 
-# Pacho Ramos <pacho@g.o> (15 Nov 2015)
+# Pacho Ramos <pacho@g.o> (2015-11-15)
 # Missing keywords
 media-sound/rhythmbox upnp-av
 
-# Pacho Ramos <pacho@g.o> (15 Nov 2015)
+# Pacho Ramos <pacho@g.o> (2015-11-15)
 # Missing keywords
 >=media-plugins/grilo-plugins-0.2.14 upnp-av
 
-# Davide Pesavento <pesa@g.o> (26 Oct 2015)
+# Davide Pesavento <pesa@g.o> (2015-10-26)
 # Tests require non-keyworded qt5
 dev-qt/qtchooser test
 
-# Justin Lecher <jlec@g.o> (14 Oct 2015)
+# Justin Lecher <jlec@g.o> (2015-10-14)
 # Requires dev-python/ipython which triggers a long dep chain
 dev-python/restkit cli
 
-# Alexandre Rostovtsev <tetromino@g.o> (10 Sep 2015)
+# Alexandre Rostovtsev <tetromino@g.o> (2015-09-10)
 # Requires wifi USE flag, which is masked for this arch
 net-misc/networkmanager wext
 
-# Tobias Klausmann <klausman@g.o> (10 Aug 2015)
+# Tobias Klausmann <klausman@g.o> (2015-08-10)
 # Opting out of the net-misc/ofono dep tree until we have a user request
 >=media-sound/pulseaudio-6.0 ofono-headset
 
-# Tobias Klausmann <klausman@g.o> (08 Aug 2015)
+# Tobias Klausmann <klausman@g.o> (2015-08-08)
 # It's unlikely that greenlet will ever be ported to Alpha. Mask USE=gevent for
 # pyzor to avoid that dependency. See bug 538510
 >=dev-python/pyzor-1.0.0 gevent
 
-# Tobias Klausmann <klausman@g.o> (11 Jul 2015)
+# Tobias Klausmann <klausman@g.o> (2015-07-11)
 # The test suite has ridiculous (transitive) requirements like
 # sci-mathematics/octave.
 >=dev-python/pyquery-1.2.9 test
@@ -226,57 +226,57 @@ dev-python/webtest test
 dev-python/wsgiproxy2 test
 dev-python/urllib3 test
 
-# Gilles Dartiguelongue <eva@g.o> (09 Jun 2015)
+# Gilles Dartiguelongue <eva@g.o> (2015-06-09)
 # dev-lua/lgi lacks alpha keyword, bug #551540
 dev-libs/libpeas lua
 
-# Mike Frysinger <vapier@g.o> (16 Mar 2015)
+# Mike Frysinger <vapier@g.o> (2015-03-16)
 # Needs sci-physics/bullet tested #499974
 dev-libs/efl physics
 
-# Michał Górny <mgorny@g.o> (22 Feb 2015)
+# Michał Górny <mgorny@g.o> (2015-02-22)
 # Dependency not keyworded for some reason.
 media-libs/gegl umfpack
 
-# Patrick Lauer <patrick@g.o> (10 Feb 2015)
+# Patrick Lauer <patrick@g.o> (2015-02-10)
 # Missing keywords for media-libs/x265
 media-video/libav x265
 
-# Johannes Huber <johu@g.o> (28 Jan 2015)
+# Johannes Huber <johu@g.o> (2015-01-28)
 # Missing keyword on dev-libs/botan
 app-crypt/qca botan
 
-# Pacho Ramos <pacho@g.o> (10 Jan 2014)
+# Pacho Ramos <pacho@g.o> (2014-01-10)
 # Missing keywords
 net-misc/networkmanager teamd
 
-# Gilles Dartiguelongue <eva@g.o> (23 Dec 2014)
+# Gilles Dartiguelongue <eva@g.o> (2014-12-23)
 # New dependencies for wayland support in Gnome 3.14
 # See bug #533420.
 media-libs/clutter egl wayland
 media-libs/clutter-gtk wayland
 
-# Mark Wright <gienah@g.o> (14-23 Dec 2014)
+# Mark Wright <gienah@g.o> (2014-12-14/2014-12-23)
 # test dependencies need keywording
 dev-haskell/binary test
 dev-haskell/text test
 dev-haskell/vector test
 
-# Tobias Klausmann <klausman@g.o> (20 Nov 2014)
+# Tobias Klausmann <klausman@g.o> (2014-11-20)
 # OpenCV likely will never work on Alpha
 media-video/vlc opencv
 media-gfx/shotwell opencv
 
-# Pacho Ramos <pacho@g.o> (11 Nov 2014)
+# Pacho Ramos <pacho@g.o> (2014-11-11)
 # Missing keywords, bug #523686
 >=dev-libs/libgdata-0.16.1 test
 
-# Tobias Klausmann <klausman@g.o> (11 Oct 2014)
+# Tobias Klausmann <klausman@g.o> (2014-10-11)
 # app-emulation/qemu is not keyworded on alpha, masking flag that triggers
 # dependency
 net-misc/spice-gtk smartcard
 
-# Gilles Dartiguelongue <eva@g.o> (05 Oct 2014)
+# Gilles Dartiguelongue <eva@g.o> (2014-10-05)
 # Missing keyword on app-accessibility/brltty
 app-accessibility/orca braille
 
@@ -284,133 +284,133 @@ app-accessibility/orca braille
 # media-libs/x265 doesn't work on alpha (bug 519046)
 media-video/ffmpeg x265
 
-# Tobias Klausmann <klausman@g.o (16 Jul 2014)
+# Tobias Klausmann <klausman@g.o (2014-07-16)
 # neither dietlibc nor klibc will likely ever build/work on alpha, bug #487672
 >=sys-fs/dmraid-1.0.0_rc16-r3 dietlibc klibc
 
-# Pacho Ramos <pacho@g.o> (22 Feb 2014)
+# Pacho Ramos <pacho@g.o> (2014-02-22)
 # Missing keywords, bug #495250
 >=gnome-base/gnome-extra-apps-3.10 tracker
 
-# Pacho Ramos <pacho@g.o> (02 Dec 2013)
+# Pacho Ramos <pacho@g.o> (2013-12-02)
 # Missing keywords, bug #493156
 media-libs/libgphoto2 serial
 
-# Pacho Ramos <pacho@g.o> (28 Nov 2013)
+# Pacho Ramos <pacho@g.o> (2013-11-28)
 # Missing keywords, bug #492820
 net-im/telepathy-connection-managers sipe
 
-# Pacho Ramos <pacho@g.o> (13 Nov 2013)
+# Pacho Ramos <pacho@g.o> (2013-11-13)
 # Missing keywords, bug #478254
 >=gnome-base/gnome-3.8 classic
 
-# Mark Wright <gienah@g.o> (26 Oct 2013)
+# Mark Wright <gienah@g.o> (2013-10-26)
 # template-haskell not yet available
 dev-haskell/dataenc test
 
-# Pacho Ramos <pacho@g.o> (20 Jul 2013)
+# Pacho Ramos <pacho@g.o> (2013-07-20)
 # Keywords pending, bug #476710
 >=gnome-base/gnome-extra-apps-3.8 games
 
-# William Hubbs <williamh@g.o> (22 Jun 2013)
+# William Hubbs <williamh@g.o> (2013-06-22)
 # dev-python/cython is not keyworded for alpha
 >=app-accessibility/brltty-4.5 python
 
-# Gilles Dartiguelongue <eva@g.o> (1 Apr 2013)
+# Gilles Dartiguelongue <eva@g.o> (2013-04-01)
 # missing keyword on media-libs/tremor, bug #453200
 media-libs/gst-plugins-base ivorbis
 
-# Julian Ospald <hasufell@g.o> (31 Mar 2013)
+# Julian Ospald <hasufell@g.o> (2013-03-31)
 # depends on mono
 >=net-irc/hexchat-2.9.4-r1 theme-manager
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Jan 2013)
+# Alexandre Rostovtsev <tetromino@g.o> (2013-01-31)
 # remove mask when net-libs/libqmi is keyworded here
 net-misc/modemmanager qmi
 
-# Alexandre Rostovtsev <tetromino@g.o> (22 Jan 2013)
+# Alexandre Rostovtsev <tetromino@g.o> (2013-01-22)
 # remove mask if/when media-gfx/argyllcms is keywored here.
 x11-misc/colord argyllcms extra-print-profiles
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # requires app-office/unoconv, which requires virtual/ooo, which is not
 # keyworded here. Remove mask if this situation changes.
 gnome-extra/sushi office
 
-# Raúl Porcel <armin76@g.o> (30 Dec 2012)
+# Raúl Porcel <armin76@g.o> (2012-12-30)
 # Needs testing
 media-libs/phonon gstreamer vlc
 
-# Alexandre Rostovtsev <tetromino@g.o> (27 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-27)
 # remove mask when dev-java/fop is keyworded here
 gnome-extra/libgda reports
 
-# Luca Barbato <lu_zero@g.o> (11 Nov 2012)
+# Luca Barbato <lu_zero@g.o> (2012-11-11)
 # Libav 9 can use fdk-aac
 >=media-video/libav-9_beta2 fdk
 
-# Robin H Johnson <robbat2@g.o> (01 Nov 2012)
+# Robin H Johnson <robbat2@g.o> (2012-11-01)
 # MySQL 5.5 wants systemtap, tcmalloc & jemalloc
 >=dev-db/mysql-5.5 tcmalloc
 >=dev-db/mariadb-5.5 tcmalloc
 >=dev-db/percona-server-5.5 tcmalloc
 
-# Raúl Porcel <armin76@g.o> (28 May 2012)
+# Raúl Porcel <armin76@g.o> (2012-05-28)
 # Needs x11-misc/lightdm(which also requires some other deps)
 x11-misc/xscreensaver new-login
 
-# Alexey Shvetsov <alexxy@g.o> (17 Dec 2011)
+# Alexey Shvetsov <alexxy@g.o> (2011-12-17)
 # mask use numa for openmpi
 sys-cluster/openmpi openmpi_fabrics_psm openmpi_fabrics_knem openmpi_fabrics_open-mx openmpi_fabrics_ofed openmpi_fabrics_dapl openmpi_rm_slurm openmpi_ofed_features_rdmacm openmpi_ofed_features_control-hdr-padding openmpi_ofed_features_connectx-xrc openmpi_ofed_features_udcm openmpi_ofed_features_dynamic-sl openmpi_ofed_features_failover
 
-# Tobias Klausmann <klausman@g.o> (02 Nov 2011)
+# Tobias Klausmann <klausman@g.o> (2011-11-02)
 # libpcre jit is not supported on alpha
 dev-libs/libpcre jit
 
-# Raúl Porcel <armin76@g.o> (08 Oct 2011)
+# Raúl Porcel <armin76@g.o> (2011-10-08)
 # Needs media-sound/lilypond
 app-text/asciidoc test
 
-# Patrick McLean <chutzpah@g.o> (07 Sep 2011)
+# Patrick McLean <chutzpah@g.o> (2011-09-07)
 # missing keywords on dependencies
 media-video/x264-encoder ffmpegsource
 
-# Alexey Shvetsov <alexxy@g.o> (31 Aug 2011)
+# Alexey Shvetsov <alexxy@g.o> (2011-08-31)
 # Mask numa use flag per bug #381313
 sys-apps/hwloc numa
 # This mask also implies masking the numa flag on openmpi
 sys-cluster/openmpi numa
 
-# Pacho Ramos <pacho@g.o> (30 Jun 2011)
+# Pacho Ramos <pacho@g.o> (2011-06-30)
 # Needed plugins are not keyworded on this arch
 media-plugins/gst-plugins-meta dts libvisual
 
-# Diego Elio Pettenò <flameeyes@g.o> (17 Dec 2010)
+# Diego Elio Pettenò <flameeyes@g.o> (2010-12-17)
 # needs sys-libs/libcap-ng that is masked right now
 sys-apps/smartmontools caps
 
 # legacy mask
 www-client/elinks javascript
 
-# Justin Lecher <jlec@g.o> (13 Aug 2010)
+# Justin Lecher <jlec@g.o> (2010-08-13)
 # MKL not available on this arch, 
 media-gfx/povray mkl 
 
-# Raúl Porcel <armin76@g.o> (26 Jun 2010)
+# Raúl Porcel <armin76@g.o> (2010-06-26)
 # custom-optimization doesn't work on alpha
 mail-client/thunderbird custom-optimization
 www-client/firefox custom-optimization
 www-client/seamonkey custom-optimization
 
-# Kacper Kowalik <xarthisius@g.o> (30 May 2010)
+# Kacper Kowalik <xarthisius@g.o> (2010-05-30)
 # quesoglc is not keyworded
 x11-misc/rss-glx quesoglc
 
-# Raúl Porcel <armin76@g.o> (07 Jul 2008)
+# Raúl Porcel <armin76@g.o> (2008-07-07)
 # Make clisp deps minimal
 dev-lisp/clisp hyperspec svm
 
-# Tobias Klausmann <klausman@g.o> (15 Jun 2008)
+# Tobias Klausmann <klausman@g.o> (2008-06-15)
 # No hardware to test net-dialup/linux-atm on alpha, so mask atm use flag
 # on those.
 sys-apps/iproute2 atm
@@ -419,6 +419,6 @@ net-dialup/ppp atm
 # Needs nut and qstat respectively, neither is keyworded on alpha.
 net-analyzer/nagios-plugins nagios-game
 
-# Matt Turner <mattst88@g.o> (26 Dec 2010)
+# Matt Turner <mattst88@g.o> (2010-12-26)
 # No idea why. Bug 347827
 www-client/elinks javascript

diff --git a/profiles/arch/alpha/package.use.stable.mask b/profiles/arch/alpha/package.use.stable.mask
index f0f66811f81..6167a684b82 100644
--- a/profiles/arch/alpha/package.use.stable.mask
+++ b/profiles/arch/alpha/package.use.stable.mask
@@ -8,7 +8,7 @@
 #
 ## Example:
 ##
-## # Dev E. Loper <developer@g.o> (28 Jun 2012)
+## # Dev E. Loper <developer@g.o> (2012-06-28)
 ## # Masking foo USE flag until we can get the
 ## # foo stuff to work properly again (bug 12345)
 ## =media-video/mplayer-0.90_pre5 foo
@@ -17,22 +17,22 @@
 
 #--- END OF EXAMPLES ---
 
-# Andreas Sturmlechner <asturm@g.o> (02 Dec 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-12-02)
 # gnome-base/nautilus is not stable
 media-sound/easytag nautilus
 
-# Ulrich Müller <ulm@g.o> (09 Aug 2018)
+# Ulrich Müller <ulm@g.o> (2018-08-09)
 # Needs net-mail/mailutils and net-libs/webkit-gtk which are not
 # stable (yet?), bug #663248
 app-editors/emacs mailutils xwidgets
 
-# Tobias Klausmann <klausman@g.o> (17 Sep 2015)
+# Tobias Klausmann <klausman@g.o> (2015-09-17)
 # Move this mask here (from package.use.mask) until net-fs/libnfs goes stable.
-# Gilles Dartiguelongue <eva@g.o> (09 Jun 2015)
+# Gilles Dartiguelongue <eva@g.o> (2015-06-09)
 # net-fs/libnfs lacks alpha keyword, bug #551576
 gnome-base/gvfs nfs
 
-# Pacho Ramos <pacho@g.o> (02 Jul 2014)
+# Pacho Ramos <pacho@g.o> (2014-07-02)
 # Mask due Gnome3 not going to be stabilized on this arch
 dev-util/geany-plugins gtkspell
 >=gnome-base/gnome-desktop-2.32.1-r2 license-docs

diff --git a/profiles/arch/alpha/use.mask b/profiles/arch/alpha/use.mask
index cef30bbc3f2..75bcfcd6e30 100644
--- a/profiles/arch/alpha/use.mask
+++ b/profiles/arch/alpha/use.mask
@@ -1,15 +1,15 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Andreas Sturmlechner <asturm@g.o> (31 Mar 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-03-31)
 # sys-auth/elogind is not yet keyworded here. bug #681200
 elogind
 
-# Matt Turner <mattst88@g.o> (22 Dec 2018)
+# Matt Turner <mattst88@g.o> (2018-12-22)
 # net-libs/zeromq is not keyworded
 zeromq
 
-# Michał Górny <mgorny@g.o> (16 Jul 2018)
+# Michał Górny <mgorny@g.o> (2018-07-16)
 # Python 3.7 support requires fresh versions of packages which are stuck
 # at keywordreqs.
 # bug #661306: dev-python/pytest
@@ -17,30 +17,30 @@ zeromq
 python_targets_python3_7
 python_single_target_python3_7
 
-# Andrey Utkin <andrey_utkin@g.o> (13 Jun 2018)
+# Andrey Utkin <andrey_utkin@g.o> (2018-06-13)
 # No ACPI support on alpha. Bug #657332
 acpi
 
-# Tobias Klausmann <klausman@g.o> (03 March 2017)
+# Tobias Klausmann <klausman@g.o> (2017-03-03)
 # There is no luajit support on alpha. Bugs #554376, #608322.
 luajit
 luajittex
 
-# Andreas Sturmlechner <asturm@g.o> (25 Feb 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-02-25)
 # kwallet integration split from kde to distinct flag
 kwallet
 
-# Tobias Klausmann <klausman@g.o> (07 Jun 2016)
+# Tobias Klausmann <klausman@g.o> (2016-06-07)
 # We currently do not have the resources to AT qt5 packages.
 # This may change when/if qt4 goes away.
 qt5
 
-# Tobias Klausmann <klausman@g.o> (05 Feb 2016)
+# Tobias Klausmann <klausman@g.o> (2016-02-05)
 # Newer versions of libgadu depend on protobuf-c, which doesn't
 # compile on alpha as of slot:0.
 gadu
 
-# Julian Ospald <hasufell@g.o> (20 Sep 2015)
+# Julian Ospald <hasufell@g.o> (2015-09-20)
 # no LibreSSL support yet
 curl_ssl_libressl
 libressl
@@ -117,15 +117,15 @@ gts
 
 # Other
 
-# Raúl Porcel <armin76@g.o> (23 Apr 2011)
+# Raúl Porcel <armin76@g.o> (2011-04-23)
 # Needs to be tested
 video_cards_nouveau
 
-# Ben de Groot <yngwin@g.o> (11 Feb 2009)
+# Ben de Groot <yngwin@g.o> (2009-02-11)
 # Both dev-qt/qtphonon and media-sound/phonon are unkeyworded
 phonon
 
-# 14 May 2007 Raúl Porcel <armin76@g.o>
+# Raúl Porcel <armin76@g.o> (2007-05-14)
 # Alpha doesn't have wpa_supplicant keyworded, bug 175714
 networkmanager
 
@@ -159,19 +159,19 @@ d
 # uses gnat/ada which is too big to support currently
 topal
 
-# Matt Turner <mattst88@g.o> (13 Dec 2010)
+# Matt Turner <mattst88@g.o> (2010-12-13)
 # We don't have sys-devel/llvm
 llvm
 
-# Matt Turner <mattst88@g.o (27 May 2012)
+# Matt Turner <mattst88@g.o (2012-05-27)
 # net-misc/connman is not keyworded
 connman
 
-# Matt Turner <mattst88@g.o (27 May 2012)
+# Matt Turner <mattst88@g.o (2012-05-27)
 # sys-apps/entropy is not keyworded
 entropy
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # media-libs/xine-lib is not keyworded
 xine
 
@@ -180,18 +180,18 @@ template_haskell
 # nvidia cg toolkit for binary drivers
 cg
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (22 Aug 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-08-22)
 # virtual/opencl is not keyworded
 opencl
 
 # Unmask once sys-libs/libunwind gets ported & keyworded.
 unwind
 
-# Pacho Ramos <pacho@g.o> (08 Jan 2014)
+# Pacho Ramos <pacho@g.o> (2014-01-08)
 # Unmask systemd since it is keyworded here.
 -systemd
 
-# Tobias Klausmann <klausman@g.o> (20 Jul 2014)
+# Tobias Klausmann <klausman@g.o> (2014-07-20)
 # Mask redis USE flag everywhere since redis depends on google-perftools,
 # which are not supported on Alpha at all (assembly).
 redis

diff --git a/profiles/arch/alpha/use.stable.mask b/profiles/arch/alpha/use.stable.mask
index e1b9f434793..d28d2d5a800 100644
--- a/profiles/arch/alpha/use.stable.mask
+++ b/profiles/arch/alpha/use.stable.mask
@@ -4,17 +4,17 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
-# Mike Gilbert <floppym@g.o> (08 Jun 2017)
+# Mike Gilbert <floppym@g.o> (2017-06-08)
 # dev-lang/python:3.7 is not stable.
 python_targets_python3_7
 python_single_target_python3_7
 
-# Tobias Klausmann <klausman@g.o> (17 Mar 2016)
+# Tobias Klausmann <klausman@g.o> (2016-03-17)
 # Webkit itself is enormous (~13h compile+test on our fastest dev machine), so
 # it will remain not-stable forever. Mask the USE flag accordingly.
 webkit
 
-# Pacho Ramos <pacho@g.o> (17 Apr 2014)
+# Pacho Ramos <pacho@g.o> (2014-04-17)
 # Dropped stable keywords after the discussion caused by
 # Gnome 3.8/3.10 stabilization on this arch   
 colord
@@ -26,6 +26,6 @@ gusb
 upnp
 upnp-av
 
-# Pacho Ramos <pacho@g.o> (13 Apr 2014)
+# Pacho Ramos <pacho@g.o> (2014-04-13)
 # Not going to be stabilized on this arch
 gnome-online-accounts

diff --git a/profiles/arch/amd64-fbsd/make.defaults b/profiles/arch/amd64-fbsd/make.defaults
index f512d12af10..be0830e5687 100644
--- a/profiles/arch/amd64-fbsd/make.defaults
+++ b/profiles/arch/amd64-fbsd/make.defaults
@@ -35,11 +35,11 @@ SYMLINK_LIB="no"
 # Unhide the x86-specific USE_EXPANDs.
 USE_EXPAND_HIDDEN="-ABI_X86 -CPU_FLAGS_X86"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Default to abi_x86_64 for packages that don't have it forced.
 ABI_X86="64"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Make the native ABI implicit so that MULTILIB_USEDEP can be satisfied
 # by non-multilib ebuilds when non-native ABIs are disabled.
 IUSE_IMPLICIT="abi_x86_64"

diff --git a/profiles/arch/amd64-fbsd/package.use.force b/profiles/arch/amd64-fbsd/package.use.force
index 3b36252505e..03f9be01631 100644
--- a/profiles/arch/amd64-fbsd/package.use.force
+++ b/profiles/arch/amd64-fbsd/package.use.force
@@ -1,16 +1,16 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (09 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-09)
 # Using stdlibc++ is broken on FreeBSD, so just force libcxx.
 sys-devel/clang default-libcxx
 
-# Michał Górny <mgorny@g.o> (08 Apr 2017)
+# Michał Górny <mgorny@g.o> (2017-04-08)
 # Require sandbox to be multilib-capable to avoid failures when building
 # multilib packages, #611292.
 sys-apps/sandbox abi_x86_32
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_X86
 sys-devel/clang llvm_targets_X86

diff --git a/profiles/arch/amd64-fbsd/package.use.mask b/profiles/arch/amd64-fbsd/package.use.mask
index a824e7ee142..40a090f42d3 100644
--- a/profiles/arch/amd64-fbsd/package.use.mask
+++ b/profiles/arch/amd64-fbsd/package.use.mask
@@ -1,89 +1,89 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Andreas Sturmlechner <asturm@g.o> (31 Mar 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-03-31)
 # dev-python/m2crypto is not keyworded here, bugs #597744, 687526
 dev-python/soappy ssl
 
-# Thomas Deutschmann <whissi@g.o> (18 Apr 2019)
+# Thomas Deutschmann <whissi@g.o> (2019-04-18)
 # app-arch/zstd is not keyworded.
 media-libs/tiff zstd
 
-# Lars Wendler <polynomial-c@g.o> (15 Apr 2019)
+# Lars Wendler <polynomial-c@g.o> (2019-04-15)
 # dev-vcs/subversion lacks amd64-fbsd keyword
 app-portage/layman subversion test
 dev-vcs/git subversion
 
-# David Seifert <soap@g.o> (15 Apr 2019)
+# David Seifert <soap@g.o> (2019-04-15)
 # app-arch/zstd is not keyworded.
 dev-libs/boost zstd
 
-# Hans de Graaff <graaff@g.o> (08 Apr 2019)
+# Hans de Graaff <graaff@g.o> (2019-04-08)
 # Obsolete ruby version, no newer versions keyworded or stable.
 dev-vcs/subversion ruby
 
-# Michał Górny <mgorny@g.o> (20 Mar 2019)
+# Michał Górny <mgorny@g.o> (2019-03-20)
 # Z3 fails to link on FreeBSD but linker produces no error messages.
 sys-devel/clang z3
 
-# Michał Górny <mgorny@g.o> (22 Jan 2019)
+# Michał Górny <mgorny@g.o> (2019-01-22)
 # Missing keywords on dependencies.
 app-arch/libarchive zstd
 
-# Mikle Kolyada <zlogene@g.o> (05 Oct 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-10-05)
 # Not keyworded
 app-admin/sudo sssd
 
-# Ulrich Müller <ulm@g.o> (01 May 2018)
+# Ulrich Müller <ulm@g.o> (2018-05-01)
 # Missing keyword on virtual/gsasl dependency, bug #635216.
 net-mail/mailutils sasl
 
-# Michał Górny <mgorny@g.o> (13 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-13)
 # Missing keywords on dependencies.
 dev-qt/designer webkit
 dev-qt/qtgui eglfs evdev ibus libinput
 dev-qt/qtnetwork connman libproxy
 
-# Michał Górny <mgorny@g.o> (02 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-02)
 # Someone needs to test the driver.
 x11-base/xorg-drivers video_cards_amdgpu
 
-# Michał Górny <mgorny@g.o> (02 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-02)
 # Requires sys-fs/fuse. Maybe it could work with fuse4bsd?
 net-fs/openafs fuse
 
-# Michał Górny <mgorny@g.o> (01 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-01)
 # Requires separate libacl while FreeBSD has it in libc.
 dev-lang/php acl
 
-# Michał Górny <mgorny@g.o> (01 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-01)
 # Unkeyworded dependencies.
 dev-libs/cyrus-sasl authdaemond
 gnome-base/gvfs cdda google nfs
 sys-auth/consolekit evdev pm-utils
 
-# Michał Górny <mgorny@g.o> (28 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-28)
 # Requires masked USE flags.
 gnome-base/gvfs mtp
 
-# Michał Górny <mgorny@g.o> (22 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-22)
 # USE=libcxxrt is use.forced.
 sys-libs/libcxx libcxxabi
 
-# Michał Górny <mgorny@g.o> (22 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-22)
 # Even more unkeyworded dependencies.
 dev-libs/libpeas lua
 dev-util/cmocka doc
 
-# Michał Górny <mgorny@g.o> (21 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-21)
 # Requires net-misc/curl[kerberos] which is masked here.
 dev-python/pycurl test
 
-# Michał Górny <mgorny@g.o> (21 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-21)
 # More unkeyworded dependencies.
 media-video/ffmpeg frei0r sofalizer
 
-# Michał Górny <mgorny@g.o> (19 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-19)
 # Unkeyworded dependencies.
 app-doc/doxygen clang
 dev-perl/GD fcgi
@@ -101,53 +101,53 @@ x11-libs/pango test
 x11-wm/fluxbox vim-syntax
 virtual/ffmpeg sdl
 
-# Michał Górny <mgorny@g.o> (17 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-17)
 # Claims to require dev-libs/elfutils which doesn't support FreeBSD.
 # We can umask if it works with virtual/libelf though.
 media-libs/gstreamer unwind
 
-# Michał Górny <mgorny@g.o> (17 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-17)
 # Unkeyworded deps.
 media-libs/phonon vlc
 virtual/notification-daemon kde
 
-# Michał Górny <mgorny@g.o> (15 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-15)
 # Requires USE=seccomp that is masked in this profile.
 net-libs/gnutls test-full
 
-# Ulrich Müller <ulm@g.o> (23 Oct 2017)
+# Ulrich Müller <ulm@g.o> (2017-10-23)
 # Needs net-mail/mailutils which is not keyworded, bug #635216.
 app-editors/emacs mailutils
 app-editors/emacs-vcs mailutils
 
-# Johannes Huber <johu@g.o> (28 Jan 2015)
+# Johannes Huber <johu@g.o> (2015-01-28)
 # Missing keyword on dev-libs/botan and dev-libs/pkcs11-helper
 app-crypt/qca botan pkcs11
 
-# Michael Palimaka <kensington@g.o> (26 Dec 2014)
+# Michael Palimaka <kensington@g.o> (2014-12-26)
 # Unkeyworded media-libs/opencv
 media-plugins/frei0r-plugins facedetect
 media-video/vlc opencv
 
-# Patrick Lauer <patrick@g.o> (17 Nov 2014)
-# Lars Wendler <polynomial-c@g.o> (23 Jan 2015)
+# Patrick Lauer <patrick@g.o> (2014-11-17)
+# Lars Wendler <polynomial-c@g.o> (2015-01-23)
 # Missing keywords
 dev-libs/openssl sctp
 dev-libs/openssl-compat sctp
 net-misc/openssh sctp
 
-# Pacho Ramos <pacho@g.o> (01 Jun 2014)
+# Pacho Ramos <pacho@g.o> (2014-06-01)
 # Missing keywords
 >=app-misc/geoclue-2.1 modemmanager
 >=x11-libs/gtk+-3.12 cloudprint
 >=app-crypt/libsecret-0.16 test
 media-plugins/gst-plugins-meta modplug vaapi
 
-# Lars Wendler <polynomial-c@g.o> (09 May 2014)
+# Lars Wendler <polynomial-c@g.o> (2014-05-09)
 # Masked kde USE flag until bug #509892 is fixed
 dev-vcs/subversion kwallet
 
-# Pacho Ramos <pacho@g.o> (02 Dec 2013)
+# Pacho Ramos <pacho@g.o> (2013-12-02)
 # Missing keywords, bug #493156
 media-libs/libgphoto2 serial
 

diff --git a/profiles/arch/amd64-fbsd/use.mask b/profiles/arch/amd64-fbsd/use.mask
index d457d88580e..4da55885f76 100644
--- a/profiles/arch/amd64-fbsd/use.mask
+++ b/profiles/arch/amd64-fbsd/use.mask
@@ -33,69 +33,69 @@
 #-video_cards_vmware
 -input_devices_vmmouse
 
-# Andreas Sturmlechner <asturm@g.o> (31 Mar 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-03-31)
 # sys-auth/elogind is not keyworded here.
 elogind
 
-# Ulrich Müller <ulm@g.o> (01 May 2018)
+# Ulrich Müller <ulm@g.o> (2018-05-01)
 # virtual/mysql is not keyworded.
 mysql
 
-# Michał Górny <mgorny@g.o> (21 Apr 2018)
+# Michał Górny <mgorny@g.o> (2018-04-21)
 # net-wireless/bluez.
 bluetooth
 
-# Michał Górny <mgorny@g.o> (02 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-02)
 # Requires dev-libs/libressl (not yet tested).
 curl_ssl_libressl
 
-# Michał Górny <mgorny@g.o> (02 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-02)
 # Someone needs to test them.
 input_devices_libinput
 
-# Michał Górny <mgorny@g.o> (01 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-01)
 # virtual/mpi not keyworded at the moment.
 mpi
 
-# Michał Górny <mgorny@g.o> (01 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-01)
 # sys-process/audit seems pretty Linux-specific.
 audit
 
-# Michał Górny <mgorny@g.o> (25 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-25)
 # google-perftools does not work on FreeBSD.
 tcmalloc
 
-# Michał Górny <mgorny@g.o> (17 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-17)
 # libraw is not keyworded here.
 raw
 
-# Michał Górny <mgorny@g.o> (17 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-17)
 # libav is not keyworded here.
 libav
 
-# Mart Raudsepp <leio@g.o> (11 Feb 2018)
+# Mart Raudsepp <leio@g.o> (2018-02-11)
 # dev-util/valgrind is not keyworded here.
 valgrind
 
-# Michał Górny <mgorny@g.o> (23 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-23)
 # sys-libs/libseccomp is not keyworded here.
 seccomp
 
-# Michał Górny <mgorny@g.o> (23 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-23)
 # net-fs/samba is not keyworded here.
 samba
 
-# James Le Cuirot <chewi@g.o> (19 May 2015)
+# James Le Cuirot <chewi@g.o> (2015-05-19)
 # icedtea needs testing and gcj isn't supported
 java
 
 # Other
 
-# Alexandre Rostovtsev <tetromino@g.o> (09 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-09)
 # Orc optimisations work fine on amd64 and x86
 -orc
 
-# Diego Elio Pettenò <flameeyes@g.o> (21 Aug 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-08-21)
 # IPMI is only implemented for x86, amd64 and ia64
 -ipmi
 
@@ -103,14 +103,14 @@ java
 -abi_x86_32
 -abi_x86_64
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (22 Aug 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-08-22)
 # virtual/opencl is not keyworded
 opencl
 
-# Hans de Graaff <graaff@g.o> (27 Dec 2014)
+# Hans de Graaff <graaff@g.o> (2014-12-27)
 # dev-libs/jemalloc is not keyworded
 jemalloc
 
-# Benda Xu <heroxbd@g.o> (26 Jun 2019)
+# Benda Xu <heroxbd@g.o> (2019-06-26)
 # Not tested
 eselect-ldso
\ No newline at end of file

diff --git a/profiles/arch/amd64/make.defaults b/profiles/arch/amd64/make.defaults
index 48ae66bb3eb..afe2ba0ad01 100644
--- a/profiles/arch/amd64/make.defaults
+++ b/profiles/arch/amd64/make.defaults
@@ -10,7 +10,7 @@ CXXFLAGS="${CFLAGS}"
 FFLAGS="${CFLAGS}"
 FCFLAGS="${CFLAGS}"
 
-# 2006/06/07 - Danny van Dyk <kugelfang@g.o>
+# Danny van Dyk <kugelfang@g.o> (2006-06-07)
 # Multilib settings for all amd64 subprofiles.
 MULTILIB_ABIS="amd64 x86"
 DEFAULT_ABI="amd64"
@@ -37,33 +37,33 @@ CFLAGS_x32="-mx32"
 LDFLAGS_x32="-m elf32_x86_64"
 CHOST_x32="x86_64-pc-linux-gnux32"
 
-# 2006/10/24 - Simon Stelling <blubb@g.o>
+# Simon Stelling <blubb@g.o> (2006-10-24)
 # They are masked, but we can enable them anyway for those who have 
 # >=portage-2.1.2_pre3-r4
 CPU_FLAGS_X86="mmx mmxext sse sse2"
 
-# Michał Górny <mgorny@g.o> (03 Sep 2013)
+# Michał Górny <mgorny@g.o> (2013-09-03)
 # Enable abi_x86_64 for packages that don't have it forced.
 ABI_X86="64"
 
-# 2006/08/18 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-08-18)
 # Defaults for video drivers
 VIDEO_CARDS="amdgpu fbdev intel nouveau radeon radeonsi vesa"
 
-# 2006/12/22 - Danny van Dyk <kugelfang@g.o>
+# Danny van Dyk <kugelfang@g.o> (2006-12-22)
 # Default for ALSA_CARDS USE_EXPAND variable.
 ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci"
 
-# Michał Górny <mgorny@g.o> (26 Jan 2013)
+# Michał Górny <mgorny@g.o> (2013-01-26)
 # Unhide the x86-specific USE_EXPANDs.
 USE_EXPAND_HIDDEN="-ABI_X86 -CPU_FLAGS_X86"
 
-# Michał Górny <mgorny@g.o> (25 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-25)
 # Make the native ABI implicit so that MULTILIB_USEDEP can be satisfied
 # by non-multilib ebuilds when non-native ABIs are disabled.
 IUSE_IMPLICIT="abi_x86_64"
 
-# Andreas K. Hüttel <dilfridge@g.o> (2 Jun 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-06-02)
 # Enable USE=libtirpc by default, to ease dependency resolution during
 # the stabilization of glibc-2.26. Bug 657148
 USE="libtirpc"

diff --git a/profiles/arch/amd64/no-multilib/make.defaults b/profiles/arch/amd64/no-multilib/make.defaults
index 4dd6d3efdd5..24a8e8085d7 100644
--- a/profiles/arch/amd64/no-multilib/make.defaults
+++ b/profiles/arch/amd64/no-multilib/make.defaults
@@ -3,6 +3,6 @@
 
 MULTILIB_ABIS="amd64"
 
-# Michał Górny <mgorny@g.o> (26 Jan 2013)
+# Michał Górny <mgorny@g.o> (2013-01-26)
 # Hide the ABI_X86 USE_EXPAND back for non-multilib profile.
 USE_EXPAND_HIDDEN="ABI_X86"

diff --git a/profiles/arch/amd64/no-multilib/package.mask b/profiles/arch/amd64/no-multilib/package.mask
index 567c53840b2..77b864e8874 100644
--- a/profiles/arch/amd64/no-multilib/package.mask
+++ b/profiles/arch/amd64/no-multilib/package.mask
@@ -1,11 +1,11 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# David Seifert <soap@g.o> (03 Jan 2018)
+# David Seifert <soap@g.o> (2018-01-03)
 # Requires 32-bit multilib compatibility
 sys-block/megamgr
 
-# James Le Cuirot <chewi@g.o> (13 Aug 2016)
+# James Le Cuirot <chewi@g.o> (2016-08-13)
 # Steam requires amd64 multilib. These are steam-overlay packages.
 dev-util/adobe-air-runtime
 games-util/steam-client-meta

diff --git a/profiles/arch/amd64/no-multilib/package.use.force b/profiles/arch/amd64/no-multilib/package.use.force
index 0f2c76d1c72..17acf1185e8 100644
--- a/profiles/arch/amd64/no-multilib/package.use.force
+++ b/profiles/arch/amd64/no-multilib/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (08 Apr 2017)
+# Michał Górny <mgorny@g.o> (2017-04-08)
 # Undo multilib forcing.
 sys-apps/sandbox -abi_x86_32

diff --git a/profiles/arch/amd64/no-multilib/package.use.mask b/profiles/arch/amd64/no-multilib/package.use.mask
index 0d8a24f1197..598e8da9d96 100644
--- a/profiles/arch/amd64/no-multilib/package.use.mask
+++ b/profiles/arch/amd64/no-multilib/package.use.mask
@@ -1,11 +1,11 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Yixun Lan <dlan@g.o> (12 Jul 2017)
+# Yixun Lan <dlan@g.o> (2017-07-12)
 # GLEP 73 Immutability, USE=ovmf requires hvm
 app-emulation/xen-tools ovmf
 
-# NP-Hardass <NP-Hardass@g.o> (11 Jul 2017)
+# NP-Hardass <NP-Hardass@g.o> (2017-07-11)
 # GLEP 73 Immutability, USE=test requires
 # abi_x86_32 at this time.
 app-emulation/wine-vanilla test
@@ -13,10 +13,10 @@ app-emulation/wine-staging test
 app-emulation/wine-d3d9 test
 app-emulation/wine-any test
 
-# Mike Frysinger <vapier@g.o> (12 Aug 2016)
+# Mike Frysinger <vapier@g.o> (2016-08-12)
 # Requires sys-boot/grub:0 which is masked here.
 sys-apps/memtest86+ floppy
 
-# Alexis Ballier <aballier@g.o> (13 Aug 2009)
+# Alexis Ballier <aballier@g.o> (2009-08-13)
 # Requires wine
 media-sound/lmms vst

diff --git a/profiles/arch/amd64/no-multilib/use.mask b/profiles/arch/amd64/no-multilib/use.mask
index 7e9b40c1459..c72b5019d7a 100644
--- a/profiles/arch/amd64/no-multilib/use.mask
+++ b/profiles/arch/amd64/no-multilib/use.mask
@@ -3,14 +3,14 @@
 
 # USE flags masked because providing packages have ABI=x86
 
-# 2007/08/29 Christoph Mende <angelos@g.o>
+# Christoph Mende <angelos@g.o> (2007-08-29)
 # app-accessibility/mbrola is x86 only
 mbrola
 
-# 2008/02/13 - Chris Gianelloni <wolf31o2@g.o>
+# Chris Gianelloni <wolf31o2@g.o> (2008-02-13)
 # Mask multilib, since we cannot use it.
 multilib
 
-# Michał Górny <mgorny@g.o> (26 Jan 2013)
+# Michał Górny <mgorny@g.o> (2013-01-26)
 # Mask the multilib flags back for non-multilib profile.
 abi_x86_32

diff --git a/profiles/arch/amd64/package.use b/profiles/arch/amd64/package.use
index cefb8e87249..5e029f90697 100644
--- a/profiles/arch/amd64/package.use
+++ b/profiles/arch/amd64/package.use
@@ -1,25 +1,25 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Mike Gilbert <floppym@g.o> (17 Nov 2016)
+# Mike Gilbert <floppym@g.o> (2016-11-17)
 # Enable both efi and pc by default.
 # https://bugs.gentoo.org/600110
 sys-boot/grub:2 grub_platforms_efi-64 grub_platforms_pc
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Enable the GPU targets matching the default VIDEO_CARDS
 dev-ml/llvm-ocaml llvm_targets_AMDGPU llvm_targets_NVPTX
 sys-devel/clang llvm_targets_AMDGPU llvm_targets_NVPTX
 sys-devel/llvm llvm_targets_AMDGPU llvm_targets_NVPTX
 
-# James Le Cuirot <chewi@g.o> (01 Aug 2016)
+# James Le Cuirot <chewi@g.o> (2016-08-01)
 # Most users don't need a multilib JVM.
 dev-java/icedtea-bin -multilib
 
-# Michał Górny <mgorny@g.o> (28 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-28)
 # Packages that should be multilib by default.
 x11-drivers/nvidia-drivers abi_x86_32
 
-# Doug Goldstein <cardoe@g.o> (29 Oct 2012)
+# Doug Goldstein <cardoe@g.o> (2012-10-29)
 # Enable the native arch as the default qemu target
 app-emulation/qemu qemu_softmmu_targets_x86_64

diff --git a/profiles/arch/amd64/package.use.force b/profiles/arch/amd64/package.use.force
index a539c08776c..dddc40bc24f 100644
--- a/profiles/arch/amd64/package.use.force
+++ b/profiles/arch/amd64/package.use.force
@@ -1,11 +1,11 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Georgy Yakovlev <gyakovlev@g.o> (14 May 2018)
+# Georgy Yakovlev <gyakovlev@g.o> (2018-05-14)
 # Force the host target to avoid dependency hell
 dev-lang/rust llvm_targets_X86
 
-# NP-Hardass <NP-Hardass@g.o> (23 May 2017)
+# NP-Hardass <NP-Hardass@g.o> (2017-05-23)
 # Packages with optional 64-bit variant
 app-emulation/wine-vanilla -abi_x86_64
 app-emulation/wine-staging -abi_x86_64
@@ -13,27 +13,27 @@ app-emulation/wine-d3d9 -abi_x86_64
 app-emulation/wine-any -abi_x86_64
 virtual/wine -abi_x86_64
 
-# Michał Górny <mgorny@g.o> (08 Apr 2017)
+# Michał Górny <mgorny@g.o> (2017-04-08)
 # Require sandbox to be multilib-capable to avoid failures when building
 # multilib packages, #611292.
 sys-apps/sandbox abi_x86_32
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_X86
 sys-devel/clang llvm_targets_X86
 sys-devel/llvm llvm_targets_X86
 
-# Michał Górny <mgorny@g.o> (02 Sep 2013)
+# Michał Górny <mgorny@g.o> (2013-09-02)
 # Packages with optional 64-bit variant.
 www-plugins/adobe-flash -abi_x86_64
 
-# Diego Elio Pettenò <flameeyes@×××××.com> (21 Apr 2011)
+# Diego Elio Pettenò <flameeyes@×××××.com> (2011-04-21)
 # The plugin is 32-bit only (and I'm not even sure if it works with
 # modern iscan); make sure it only installs the firmware for amd64!
 media-gfx/iscan-plugin-gt-f500 minimal
 
-# <blubb@g.o> (23 Oct 2006)
+# <blubb@g.o> (2006-10-23)
 # upstream forces sse2 on regardless of what the use flag is
 dev-libs/openssl cpu_flags_x86_sse2
 dev-libs/openssl-compat cpu_flags_x86_sse2

diff --git a/profiles/arch/amd64/package.use.mask b/profiles/arch/amd64/package.use.mask
index fc2443e9526..6aa636f45ad 100644
--- a/profiles/arch/amd64/package.use.mask
+++ b/profiles/arch/amd64/package.use.mask
@@ -8,7 +8,7 @@
 #
 ## Example:
 ##
-## # Dev E. Loper <developer@g.o> (28 Jun 2012)
+## # Dev E. Loper <developer@g.o> (2012-06-28)
 ## # Masking foo USE flag until we can get the
 ## # foo stuff to work properly again (bug 12345)
 ## =media-video/mplayer-0.90_pre5 foo
@@ -17,299 +17,299 @@
 
 #--- END OF EXAMPLES ---
 
-# Georgy Yakovlev <gyakovlev@g.o> (22 Jun 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-06-22)
 # openjfx is keyworded on amd64
 dev-java/openjdk:11 -javafx
 
-# Matt Turner <mattst88@g.o> (20 Jun 2019)
+# Matt Turner <mattst88@g.o> (2019-06-20)
 # dev-lang/spidermonkey:60[jit] fails to build on most platforms, but does
 # build on amd64.
 >=dev-lang/spidermonkey-60 -jit
 
-# Andreas Sturmlechner <asturm@g.o> (09 May 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-05-09)
 # media-libs/libplacebo is keyworded on amd64
 media-video/vlc -libplacebo
 
-# Denis Lisov <dennis.lissov@×××××.com> (09 May 2019)
+# Denis Lisov <dennis.lissov@×××××.com> (2019-05-09)
 # Overlay can only be built on amd64 and x86
 x11-apps/igt-gpu-tools -overlay
 
-# Georgy Yakovlev <gyakovlev@g.o> (05 March 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-03-05)
 # freeipmi is supported on amd64
 app-admin/conserver -freeipmi
 
-# Thomas Deutschmann <whissi@g.o> (15 Nov 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-11-15)
 # - rdrand plugin is supported on amd64
 net-vpn/strongswan -strongswan_plugins_rdrand
 
-# James Le Cuirot <chewi@g.o> (02 Nov 2018)
+# James Le Cuirot <chewi@g.o> (2018-11-02)
 # Vulkan is only available on amd64 at present.
 media-libs/libsdl2 -vulkan
 
-# Michael Palimaka <kensington@g.o> (12 Oct 2018)
+# Michael Palimaka <kensington@g.o> (2018-10-12)
 # Unmask arch-specific USE flags available on amd64
 net-analyzer/testssl -bundled-openssl -kerberos
 
-# Thomas Deutschmann <whissi@g.o> (30 Sep 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-09-30)
 # Unmask libheif support where media-libs/libheif is keyworded
 media-gfx/imagemagick -heif
 
-# Ben Kohler <bkohler@g.o> (23 Aug 2018)
+# Ben Kohler <bkohler@g.o> (2018-08-23)
 # Unmask iwd support where net-wireless/iwd is keyworded
 net-misc/connman -iwd
 net-misc/networkmanager -iwd
 
-# Thomas Deutschmann <whissi@g.o> (23 Aug 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-08-23)
 # Dependency sys-cluster/ceph is keyworded for amd64
 net-fs/samba -ceph
 
-# Göktürk Yüksek <gokturk@g.o> (6 Jul 2018)
+# Göktürk Yüksek <gokturk@g.o> (2018-07-06)
 # Dependency app-crypt/jitterentropy is keyworded for amd64
 sys-apps/rng-tools -jitterentropy
 
-# Rick Farina <zerochaos@g.o> (27 Jun 2018)
+# Rick Farina <zerochaos@g.o> (2018-06-27)
 # Catalyst has support for assembling bootloader on this arch
 dev-util/catalyst -system-bootloader
 
-# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (17 Jun 2018)
+# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (2018-06-17)
 # Vulkan support is only available on few selected arches atm.
 # Mask everywhere, unmask where appropriate.
 media-video/mpv -vulkan
 
-# Mikle Kolyada <zlogene@g.o> (02 Jun 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-06-02)
 # Too many untested ruby dependencies
 <dev-ruby/haml-5 test
 
-# Nick Sarnie <sarnex@g.o> (29 Apr 2018)
+# Nick Sarnie <sarnex@g.o> (2018-04-29)
 # media-libs/vulkan-loader and app-emulation/vkd3d are keyworded on amd64
 app-emulation/wine-any -vkd3d -vulkan
 app-emulation/wine-d3d9 -vkd3d -vulkan
 app-emulation/wine-staging -vkd3d -vulkan
 app-emulation/wine-vanilla -vkd3d -vulkan
 
-# Richard Yao <ryao@g.o> (16 Apr 2018)
+# Richard Yao <ryao@g.o> (2018-04-16)
 # sys-fs/zfs is keyworded on amd64
 sys-cluster/ceph -zfs
 sys-boot/grub -libzfs
 
-# Amy Liffey <amynka@g.o> (19 Sep 2017)
+# Amy Liffey <amynka@g.o> (2017-09-19)
 # [cuda] is unmasked in this profiles.
 media-libs/opencv -contrib_xfeatures2d
 
-# David Seifert <soap@g.o> (20 May 2017)
+# David Seifert <soap@g.o> (2017-05-20)
 # cpyrit-cuda does not support GCC 4.9 or later
 net-wireless/pyrit cuda
 
-# Rick Farina <zerochaos@g.o> (11 May 2017)
+# Rick Farina <zerochaos@g.o> (2017-05-11)
 # nexpose and openvas work on amd64
 net-analyzer/metasploit -nexpose -openvas
 
-# Thomas Deutschmann <whissi@g.o> (01 Mar 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-03-01)
 # dev-libs/libmaxminddb is keyworded on amd64
 app-admin/rsyslog -mdblookup
 
-# Alexis Ballier <aballier@g.o> (21 Feb 2017)
+# Alexis Ballier <aballier@g.o> (2017-02-21)
 # spacetime works on amd64
 # https://caml.inria.fr/pub/docs/manual-ocaml/spacetime.html
 dev-lang/ocaml -spacetime
 
-# Alexis Ballier <aballier@g.o> (31 Jan 2017)
+# Alexis Ballier <aballier@g.o> (2017-01-31)
 # nvidia drivers are unmasked here
 media-video/ffmpeg -nvenc
 
-# Luke Dashjr <luke-jr+gentoobugs@×××××××.org> (04 Jan 2017)
+# Luke Dashjr <luke-jr+gentoobugs@×××××××.org> (2017-01-04)
 # Assembly optimisations are supported on amd64 for all versions
 dev-libs/libsecp256k1 -asm
 
-# Andreas Sturmlechner <asturm@g.o> (31 Dec 2016)
-# on behalf of Andreas K. Hüttel <dilfridge@g.o> (14 Dec 2016)
+# Andreas Sturmlechner <asturm@g.o> (2016-12-31)
+# on behalf of Andreas K. Hüttel <dilfridge@g.o> (2016-12-14)
 # Fails to build with newly unmasked ffmpeg-3, so mask this useflag
 # Workaround; leaving a real fix to the maintainers... bug 580630
 media-libs/mlt vdpau
 
-# Ettore Di Giacinto <mudler@g.o> (18 Oct 2016)
+# Ettore Di Giacinto <mudler@g.o> (2016-10-18)
 # Enable gambit and scm only on supported architectures
 >=dev-scheme/slib-3.2.5 -gambit -scm
 
-# Thomas Deutschmann <whissi@g.o> (22 Sep 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-09-22)
 # Enable MQTT support on supported architectures
 app-metrics/collectd -collectd_plugins_mqtt
 
-# Thomas Deutschmann <whissi@g.o> (26 Aug 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-08-26)
 # Enable numa support on supported architectures
 dev-db/mysql -numa
 dev-db/percona-server -numa
 
-# Brian Evans <grknight@g.o> (23 Aug 2016)
+# Brian Evans <grknight@g.o> (2016-08-23)
 # It's only supported on amd64
 dev-db/percona-server -tokudb -tokudb-backup-plugin
 
-# Brian Evans <grknight@g.o> (18 Aug 2016)
+# Brian Evans <grknight@g.o> (2016-08-18)
 # Allow jdbc on this arch
 dev-db/mariadb -jdbc
 
-# Andrew Savchenko <bircoph@g.o> (11 Aug 2016)
+# Andrew Savchenko <bircoph@g.o> (2016-08-11)
 # PGO is fixed on amd64
 >=www-client/firefox-48 -pgo
 
-# James Le Cuirot <chewi@g.o> (26 Jul 2016)
+# James Le Cuirot <chewi@g.o> (2016-07-26)
 # Only available on some architectures.
 dev-java/icedtea -shenandoah
 
-# Mike Gilbert <floppym@g.o> (23 Jun 2016)
+# Mike Gilbert <floppym@g.o> (2016-06-23)
 # This flag only has meaning on amd64
 sys-boot/grub:2 -grub_platforms_xen-32
 
-# Nathan Phillip Brink <binki@g.o> (26 Sep 2015)
+# Nathan Phillip Brink <binki@g.o> (2015-09-26)
 # git useflag requires dev-libs/libgit2 which few arches support
 dev-util/geany-plugins -git
 
-# Brian Evans <grknight@g.o (14 Sep 2015)
+# Brian Evans <grknight@g.o (2015-09-14)
 # Unmask new USE flags for mariadb on supported arches
 >=dev-db/mariadb-10.1.0 -mroonga -sst-xtrabackup -galera
 
-# Mike Gilbert <floppym@g.o> (05 Sep 2015)
+# Mike Gilbert <floppym@g.o> (2015-09-05)
 # sys-boot/gnu-efi is not supported on all archs.
 sys-apps/systemd -gnuefi
 
-# James Le Cuirot <chewi@g.o> (28 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-28)
 # JavaFX and the browser plugin are included on x64 Linux.
 dev-java/oracle-jdk-bin -javafx -nsplugin
 dev-java/oracle-jre-bin -javafx -nsplugin
 
-# Ben de Groot <yngwin@g.o> (15 Mar 2015)
+# Ben de Groot <yngwin@g.o> (2015-03-15)
 # media-libs/libbdplus is keyworded on amd64, so unmask the useflag
 media-libs/libbluray -bdplus
 
-# Michał Górny <mgorny@g.o> (01 Mar 2015)
+# Michał Górny <mgorny@g.o> (2015-03-01)
 # pidgin-opensteamworks is only available for amd64, ppc32 and x86
 net-im/telepathy-connection-managers -steam
 
-# Mike Frysinger <vapier@g.o> (04 Aug 2014)
+# Mike Frysinger <vapier@g.o> (2014-08-04)
 # Unmask flashrom drivers that only work on x86 due to in/out asm insns #454024
 sys-apps/flashrom -atahpt -nic3com -nicnatsemi -nicrealtek -rayer_spi -satamv
 
-# Jorge Manuel B. S. Vicetto <jmbsvicetto@g.o> (24 Apr 2014)
+# Jorge Manuel B. S. Vicetto <jmbsvicetto@g.o> (2014-04-24)
 # It's only supported on amd64
 dev-db/mariadb -tokudb
 
-# Samuli Suominen <ssuominen@g.o> (16 Feb 2014)
+# Samuli Suominen <ssuominen@g.o> (2014-02-16)
 # Still considered experimental by upstream:
 # https://sourceforge.net/p/mikmod/bugs/16/#17ea
 media-libs/libmikmod cpu_flags_x86_sse2
 
-# Andreas K. Huettel <dilfridge@g.o> (4 Jan 2014)
+# Andreas K. Huettel <dilfridge@g.o> (2014-01-04)
 # While globally masked, the needed amd64 keywords are already present
 dev-vcs/git -mediawiki -mediawiki-experimental
 
-# Sergey Popov <pinkbyte@g.o> (27 Dec 2013)
+# Sergey Popov <pinkbyte@g.o> (2013-12-27)
 # Boost.Context can be built on amd64
 dev-libs/boost	-context
 
-# Michał Górny <mgorny@g.o> (15 Dec 2013)
+# Michał Górny <mgorny@g.o> (2013-12-15)
 # mupen64plus' 2.0 new dynamic recompiler is supported on x86 and arm
 # only.
 games-emulation/mupen64plus-core new-dynarec
 
-# Tim Harder <radhermit@g.o> (13 Aug 2013)
+# Tim Harder <radhermit@g.o> (2013-08-13)
 # dev-lang/luajit keyworded for amd64 (masked in base)
 # dev-scheme/racket keyworded for amd64 (masked in base)
 app-editors/vim -luajit -racket
 app-editors/gvim -luajit -racket
 
-# Kacper Kowalik <xarthisius@g.o> (09 Aug 2013)
+# Kacper Kowalik <xarthisius@g.o> (2013-08-09)
 # Works on amd64
 sys-apps/hwloc -gl
 
-# Michał Górny <mgorny@g.o> (22 Jul 2013)
+# Michał Górny <mgorny@g.o> (2013-07-22)
 # Meaningless on amd64 (it controls the 32-bit x86 JIT).
 dev-python/pypy cpu_flags_x86_sse2
 dev-python/pypy-bin cpu_flags_x86_sse2
 dev-python/pypy3 cpu_flags_x86_sse2
 dev-python/pypy3-bin cpu_flags_x86_sse2
 
-# Christoph Junghans <junghans@g.o> (26 Dec 2012)
+# Christoph Junghans <junghans@g.o> (2012-12-26)
 # cuda works on x86/amd64 (masked in base)
 sci-chemistry/gromacs -mkl
 
-# Diego Elio Pettenò <flameeyes@g.o> (3 Nov 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-11-03)
 # Unmask here, as it's masked in base.
 net-libs/gnutls -dane
 
-# Ben de Groot <yngwin@g.o> (30 Jul 2012)
+# Ben de Groot <yngwin@g.o> (2012-07-30)
 # dependency keyworded here, masked in base
 media-libs/freetype -infinality
 
-# Alexandre Rostovtsev <tetromino@g.o> (12 Apr 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-04-12)
 # Temporary mask-in-base, unmask-in-arch for dev-python/mako keywording for
 # gobject-introspection[doctool], bug #411761
 dev-libs/gobject-introspection -doctool
 
-# Michał Górny <mgorny@g.o> (11 Apr 2012)
+# Michał Górny <mgorny@g.o> (2012-04-11)
 # JIT compilation in zpaq generates code for x86/amd64.
 app-arch/zpaq -jit
 
-# Arun Raghavan <ford_prefect@g.o> (29 Mar 2012)
+# Arun Raghavan <ford_prefect@g.o> (2012-03-29)
 # webrtc-audio-processing is only supported on x86/amd64. Possibly arm can be
 # added.
 media-sound/pulseaudio -webrtc-aec
 
-# Bernard Cafarelli <voyageur@g.o> (27 Feb 2012)
+# Bernard Cafarelli <voyageur@g.o> (2012-02-27)
 # Masked in base profile, supported on this arch
 gnustep-base/gnustep-make -libobjc2
 
-# Davide Pesavento <pesa@g.o> (30 Nov 2011)
+# Davide Pesavento <pesa@g.o> (2011-11-30)
 # The QML (V4) and JSC JITs are supported only on amd64/arm/x86,
 # so the flag is masked in the base profile and unmasked here.
 dev-qt/qtdeclarative -jit
 dev-qt/qtscript -jit
 dev-qt/qtwebkit -jit
 
-# Robin H. Johnson <robbat2@g.o> (10 Jul 2011)
+# Robin H. Johnson <robbat2@g.o> (2011-07-10)
 # PPS should work on all arches, but only keyworded on amd64/x86
 >=net-misc/ntp-4.2.6_p3-r1 -parse-clocks
 
-# Tim Harder <radhermit@g.o> (13 Feb 2011)
+# Tim Harder <radhermit@g.o> (2011-02-13)
 # Masked in base, unmask for amd64/x86
 >=media-video/mplayer-1.0_rc4_p20101219 -bluray
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (28 Nov 2010)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2010-11-28)
 # sys-devel/llvm is keyworded on amd64
 media-libs/mesa -llvm
 
-# Tomáš Chvátal <scarabeus@g.o> (4 Apr 2010)
+# Tomáš Chvátal <scarabeus@g.o> (2010-04-04)
 # x86 platforms works
 sys-power/pm-utils -video_cards_intel -video_cards_radeon
 
-# Jean-Noël Rivasseau <elvanor@g.o> (23 Sep 2009)
+# Jean-Noël Rivasseau <elvanor@g.o> (2009-09-23)
 # X use flag only for amd64/x86, bug 285951.
 media-gfx/iscan -X
 
-# Bernard Cafarelli <voyageur@g.o> (20 Mar 2009)
+# Bernard Cafarelli <voyageur@g.o> (2009-03-20)
 # Depends on packages not yet keyworded for amd64, cf bug #22042
 app-backup/backup-manager s3
 
-# Jeremy Olexa <darkside@g.o> (07 Feb 2009)
+# Jeremy Olexa <darkside@g.o> (2009-02-07)
 # USE=mmx on imlib2 causes issues with other apps. See bug 218382 (comments
 # 11-12)
 media-libs/imlib2 cpu_flags_x86_mmx
 
-# Jeremy Olexa <darkside@g.o> (27 Dec 2008)
+# Jeremy Olexa <darkside@g.o> (2008-12-27)
 # Mask static USE flag because it just doesn't work on amd64. See bug 236591
 >=app-arch/p7zip-4.58 static
 
-# Jeremy Olexa <darkside@g.o> (24 Dec 2008)
+# Jeremy Olexa <darkside@g.o> (2008-12-24)
 # unmask USE=bindist on amd64 - also unmasking the other flags that were under a
 # bad comment heading. see bug #246144
 media-video/mplayer -cpudetection
 
 # assembler-section
 
-# Oct 23th 2006; blubb@g.o
+# blubb@g.o (2006-10-23)
 # upstream forces sse2 for amd64; mmx flag does nothing
 app-crypt/johntheripper cpu_flags_x86_mmx
 
-# Oct 23th 2006; blubb@g.o
+# blubb@g.o (2006-10-23)
 # x86 asm only:
 media-libs/libfame cpu_flags_x86_mmx
 media-libs/sdl-gfx cpu_flags_x86_mmx
@@ -319,12 +319,12 @@ x11-terms/eterm cpu_flags_x86_mmx
 # x86_64 opts are enabled with USE sse. so masking the rest
 media-sound/mpg123 cpu_flags_x86_mmx cpu_flags_x86_3dnow cpu_flags_x86_3dnowext
 
-# 8 May 2007: Alistair Bush <ali_bush@g.o>
+# Alistair Bush <ali_bush@g.o> (2007-05-08)
 # Mask doc flag for fop as nearly impossible to
 # run javadoc target.  see #177585
 >=dev-java/fop-0.93 doc
 
-# 8 Aug 2008: Alexis Ballier <aballier@g.o>
+# Alexis Ballier <aballier@g.o> (2008-08-08)
 # x86 asm only, it won't be built on amd64 if mmx useflag is enabled but that
 # saves people from needlessly installing nasm
 # Refs bug #93279

diff --git a/profiles/arch/amd64/package.use.stable.mask b/profiles/arch/amd64/package.use.stable.mask
index 482dc45773a..837096f540d 100644
--- a/profiles/arch/amd64/package.use.stable.mask
+++ b/profiles/arch/amd64/package.use.stable.mask
@@ -8,7 +8,7 @@
 #
 ## Example:
 ##
-## # Dev E. Loper <developer@g.o> (28 Jun 2012)
+## # Dev E. Loper <developer@g.o> (2012-06-28)
 ## # Masking foo USE flag until we can get the
 ## # foo stuff to work properly again (bug 12345)
 ## =media-video/mplayer-0.90_pre5 foo
@@ -17,84 +17,84 @@
 
 #--- END OF EXAMPLES ---
 
-# Brian Evans <grknight@g.o> (22 May 2019)
+# Brian Evans <grknight@g.o> (2019-05-22)
 # Allow python-exec to install all targets
 # Ack by mgorny
 dev-lang/python-exec -python_targets_python3_7
 
-# Andreas Sturmlechner <asturm@g.o> (21 May 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-05-21)
 # dev-db/oracle-instantclient ain't stable
 dev-qt/qtsql oci8
 
-# Andreas Sturmlechner <asturm@g.o> (28 Feb 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-02-28)
 # Depends on unstable media-libs/dav1d
 ~media-video/vlc-3.0.6 dav1d
 
-# Amy Liffey <amynka@g.o> (15 Jan 2019)
+# Amy Liffey <amynka@g.o> (2019-01-15)
 # Mask experimental contrib repo
 media-libs/opencv contrib contrib_cvv contrib_dnn contrib_hdf contrib_sfm contrib_xfeatures2d gflags glog tesseract
 
-# Brian Evans <grknight@g.o> (06 Dec 2018)
+# Brian Evans <grknight@g.o> (2018-12-06)
 # Unmask argon2 for php
 dev-lang/php -argon2
 
-# Mikle Kolyada <zlogene@g.o> (07 Nov 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-11-07)
 # unmask sssd for sudo
 app-admin/sudo -sssd
 
-# Mart Raudsepp <leio@g.o> (01 Nov 2018)
+# Mart Raudsepp <leio@g.o> (2018-11-01)
 # net-wireless/iwd not stable yet
 net-misc/networkmanager iwd
-# Ben Kohler <bkohler@g.o> (22 May 2019)
+# Ben Kohler <bkohler@g.o> (2019-05-22)
 net-misc/connman iwd
 
-# Mikle Kolyada <zlogene@g.o> (15 Sep 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-09-15)
 # the dependency is unstable
 media-video/libav nvidia
 
-# Thomas Deutschmann <whissi@g.o> (01 Jun 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-06-01)
 net-analyzer/wireshark -doc
 
-# Thomas Beierlein <tomjbe@g.o> (20 Apr 2018)
+# Thomas Beierlein <tomjbe@g.o> (2018-04-20)
 # Needs asciidoctor which pulls a lot unstable ruby deps
 media-radio/wsjtx doc
 
-# Mikle Kolyada <zlogene@g.o> (18 Mar 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-03-18)
 # Pulls too much unstable ruby deps (some are not even keyworded)
 net-misc/chrony html
 
-# Michael Palimaka <kensington@g.o> (30 Sep 2017)
+# Michael Palimaka <kensington@g.o> (2017-09-30)
 # Required dependeny is not stable
 sci-libs/gdal oracle
 
-# NP-Hardass <NP-Hardass@g.o> (27 Sep 2017)
+# NP-Hardass <NP-Hardass@g.o> (2017-09-27)
 # patchset variants are not stable
 virtual/wine d3d9 staging
 
-# Tim Harder <radhermit@g.o> (11 Sep 2017)
+# Tim Harder <radhermit@g.o> (2017-09-11)
 # Pulls in dev-ruby/asciidoctor which has too large of a ruby testing
 # dep tree to be stabilized at this time.
 >=net-irc/weechat-1.7 doc
 
-# Andreas Sturmlechner <asturm@g.o> (01 Mar 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-03-01)
 # Requires not yet stabilised dev-db/oracle-instantclient.
 sci-geosciences/qgis oracle
 
-# Christoph Junghans <junghans@g.o> (26 Feb 2017)
+# Christoph Junghans <junghans@g.o> (2017-02-26)
 # Stable mask some fabrics (bug #525534)
 sys-cluster/openmpi openmpi_fabrics_psm openmpi_fabrics_knem openmpi_fabrics_open-mx openmpi_fabrics_ofed openmpi_fabrics_dapl openmpi_rm_pbs openmpi_rm_slurm openmpi_ofed_features_rdmacm openmpi_ofed_features_control-hdr-padding openmpi_ofed_features_connectx-xrc openmpi_ofed_features_udcm openmpi_ofed_features_dynamic-sl openmpi_ofed_features_failover
 
-# Brian Evans <grknight@g.o> (17 Jan 2017)
+# Brian Evans <grknight@g.o> (2017-01-17)
 # Stable mask groonga on mariadb as I don't know how stable
 # the dependencies really are
 dev-db/mariadb mroonga
 
-# Bernard Cafarelli <voyageur@g.o> (09 Jan 2017)
+# Bernard Cafarelli <voyageur@g.o> (2017-01-09)
 # Requires more testing
 # and additional unstable dependencies
 gnustep-base/gnustep-make libobjc2
 
-# Michał Górny <mgorny@g.o> (30 Mar 2014)
+# Michał Górny <mgorny@g.o> (2014-03-30)
 # Don't apply stable masks to python-exec since we're forcing every
 # impl there anyway. Please keep this in sync with use.stable.mask.
 dev-lang/python-exec -python_targets_pypy

diff --git a/profiles/arch/amd64/use.force b/profiles/arch/amd64/use.force
index 53a33330f09..6595a954f57 100644
--- a/profiles/arch/amd64/use.force
+++ b/profiles/arch/amd64/use.force
@@ -1,6 +1,6 @@
 # Force the flag which corresponds to ARCH.
 amd64
 
-# Michał Górny <mgorny@g.o> (26 Jan 2013)
+# Michał Górny <mgorny@g.o> (2013-01-26)
 # Force the flag corresponding to the default ABI.
 abi_x86_64

diff --git a/profiles/arch/amd64/use.mask b/profiles/arch/amd64/use.mask
index 8dfa8e01410..dbf7ef7ae3d 100644
--- a/profiles/arch/amd64/use.mask
+++ b/profiles/arch/amd64/use.mask
@@ -6,51 +6,51 @@
 
 # SECTION: Unmask
 
-# Andreas Sturmlechner <asturm@g.o> (17 Nov 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-11-17)
 # media-sound/audacious is keyworded on amd64
 -audacious
 
-# Matt Turner <mattst88@g.o> (11 Nov 2018)
+# Matt Turner <mattst88@g.o> (2018-11-11)
 # d3d9 works on amd64
 -d3d9
 
-# Michael Orlitzky <mjo@g.o> (07 Jan 2018)
+# Michael Orlitzky <mjo@g.o> (2018-01-07)
 # Oracle database stuff should work on amd64.
 -oci8
 -oci8-instant-client
 -oracle
 
-# Sven Wegener <swegener@g.o> (31 May 2017)
+# Sven Wegener <swegener@g.o> (2017-05-31)
 # libvirt is supported on amd64
 -libvirt
 
-# Andreas K. Hüttel <dilfridge@g.o> (26 May 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-05-26)
 # dev-db/firebird is keyworded ~amd64
 -firebird
 
 # cilk has been ported to this arch.
 -cilk
 
-# Mike Gilbert <floppym@g.o> (19 Oct 2014)
+# Mike Gilbert <floppym@g.o> (2014-10-19)
 # sys-libs/libapparmor
 -apparmor
 
-# Alexey Shvetsov <alexxy@g.o> (08 Apr 2014)
+# Alexey Shvetsov <alexxy@g.o> (2014-04-08)
 # Cuda works here
 -cuda
 
-# Michał Górny <mgorny@g.o> (30 Mar 2014)
+# Michał Górny <mgorny@g.o> (2014-03-30)
 # PyPy is keyworded on this arch.
 -python_targets_pypy
 -python_single_target_pypy
 -python_targets_pypy3
 -python_single_target_pypy3
 
-# Michał Górny <mgorny@g.o> (4 May 2013)
+# Michał Górny <mgorny@g.o> (2013-05-04)
 # Unmask systemd since it is keyworded here.
 -systemd
 
-# Andrey Grozin <grozin@g.o> (25 Jun 2014)
+# Andrey Grozin <grozin@g.o> (2014-06-25)
 # keyworded on amd64
 -clisp
 -clozurecl
@@ -58,63 +58,63 @@
 -gcl
 -sbcl
 
-# Michał Górny <mgorny@g.o> (26 Jan 2013)
+# Michał Górny <mgorny@g.o> (2013-01-26)
 # Unmask the multilib flags for this arch.
 -abi_x86_32
 -abi_x86_64
 
-# Alexandre Rostovtsev <tetromino@g.o> (09 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-09)
 # Orc optimisations work fine on amd64 and x86
 -orc
 
-# Diego Elio Pettenò <flameeyes@g.o> (21 Aug 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-08-21)
 # IPMI is only implemented for x86, amd64 and ia64
 -ipmi
 
-# Ralph Sennhauser <sera@g.o> (31 Jul 2012)
+# Ralph Sennhauser <sera@g.o> (2012-07-31)
 # Keyworded on amd64
 -python_targets_jython2_7
 -python_single_target_jython2_7
 
-# Joerg Bornkessel <hd_brummy@g.o> (05. Mar 2012)
+# Joerg Bornkessel <hd_brummy@g.o> (2012-03-05)
 # Unmask, works with v4l2, #350211
 -dxr3
 
-# 2011/12/22 - Alexis Ballier <aballier@g.o>
+# Alexis Ballier <aballier@g.o> (2011-12-22)
 # Unmask vdpau as its supported here
 -vdpau
 
-# 2011/07/01 - Alexey Shvetsov <alexxy@g.o>
+# Alexey Shvetsov <alexxy@g.o> (2011-07-01)
 # Infiniband stuff works here
 -infiniband
 
-# 2010/02/14 - Samuli Suominen <ssuominen@g.o>
+# Samuli Suominen <ssuominen@g.o> (2010-02-14)
 # Unmask amd64/x86 only SANE_BACKENDS
 -sane_backends_canon_pp
 -sane_backends_hpsj5s
 -sane_backends_mustek_pp
 -sane_backends_qcam
 
-# 2010/05/03 - Alex Legler <a3li@g.o>
+# Alex Legler <a3li@g.o> (2010-05-03)
 # Add support for Ruby Enterprise Edition targets where rubyee is available
 # -ruby_targets_ree18
 
-# 2011/10/21 - Hans de Graaff <graaff@g.o>
+# Hans de Graaff <graaff@g.o> (2011-10-21)
 # Add support for Rubinius targets where rbx is available
 #-ruby_targets_rbx
 
 # Lilo works on amd64, so ...
 -lilo
 
-# 2007/03/10 - Mike Frysinger <vapier@g.o>
+# Mike Frysinger <vapier@g.o> (2007-03-10)
 # NVRAM works on x86/amd64 hosts
 -nvram
 
-# 2005/09/14 - Diego Pettenò <flameeyes@g.o>
+# Diego Pettenò <flameeyes@g.o> (2005-09-14)
 # nVidia XvMC support works on amd64
 -nvidia
 
-# 2006/01/28 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-01-28)
 # Modular X: unmask for architectures on which they are available
 -input_devices_synaptics
 -input_devices_vmmouse
@@ -131,7 +131,7 @@
 -video_cards_vmware
 -video_cards_qxl
 
-# Feb 16th 2007; Simon Stelling <blubb@g.o>
+# Simon Stelling <blubb@g.o> (2007-02-16)
 # Since this profile forces >=portage-2.1.2, we can unmask all
 # SIMD assembler flags
 -mpx
@@ -155,17 +155,17 @@
 -cpu_flags_x86_ssse3
 -cpu_flags_x86_xop
 
-# George Shapovalov <george@g.o> (8 Apr 2007)
+# George Shapovalov <george@g.o> (2007-04-08)
 # supported on amd64
 -ada
 
-# Robert Buchholz <rbu@g.o> (03 Jun 2007)
+# Robert Buchholz <rbu@g.o> (2007-06-03)
 # Unmask as it works on amd64
 -lcd_devices_luise
 
 # SECTION: Unavailable/Broken
 
-# 2004/06/22 - Taken from 2004.0 profile
+# 2004-06-22 - Taken from 2004.0 profile
 # masked
 3dfx
 

diff --git a/profiles/arch/amd64/use.stable.mask b/profiles/arch/amd64/use.stable.mask
index 9d2766c4965..b2065471711 100644
--- a/profiles/arch/amd64/use.stable.mask
+++ b/profiles/arch/amd64/use.stable.mask
@@ -4,28 +4,28 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
-# Andreas Sturmlechner <asturm@g.o> (17 Nov 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-11-17)
 # media-sound/audacious is not yet stabilised
 audacious
 
-# Mike Gilbert <floppym@g.o> (08 Jun 2017)
+# Mike Gilbert <floppym@g.o> (2017-06-08)
 # dev-lang/python:3.7 is not stable.
 python_targets_python3_7
 python_single_target_python3_7
 
-# Andreas K. Hüttel <dilfridge@g.o> (26 May 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-05-26)
 # dev-db/firebird is keyworded ~amd64
 firebird
 
-# Michał Górny <mgorny@g.o> (20 May 2017)
+# Michał Górny <mgorny@g.o> (2017-05-20)
 # The modern versions of CUDA SDK are not suitable for stabilization.
 cuda
 
-# Andrey Grozin <grozin@g.o> (25 Jun 2014)
+# Andrey Grozin <grozin@g.o> (2014-06-25)
 # no stable versions on amd64
 clozurecl
 
-# Michał Górny <mgorny@g.o> (30 Mar 2014)
+# Michał Górny <mgorny@g.o> (2014-03-30)
 # PyPy is unstable on this arch.
 python_targets_pypy
 python_single_target_pypy

diff --git a/profiles/arch/amd64/x32/make.defaults b/profiles/arch/amd64/x32/make.defaults
index ad093457f3a..b509b305b00 100644
--- a/profiles/arch/amd64/x32/make.defaults
+++ b/profiles/arch/amd64/x32/make.defaults
@@ -5,11 +5,11 @@ DEFAULT_ABI="x32"
 ABI="x32"
 MULTILIB_ABIS="amd64 x86 x32"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Default to abi_x86_x32 for packages that don't have it forced.
 ABI_X86="x32"
 
-# Michał Górny <mgorny@g.o> (25 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-25)
 # Make the native ABI implicit so that MULTILIB_USEDEP can be satisfied
 # by non-multilib ebuilds when non-native ABIs are disabled.
 IUSE_IMPLICIT="-abi_x86_64 abi_x86_x32"

diff --git a/profiles/arch/amd64/x32/package.mask b/profiles/arch/amd64/x32/package.mask
index 060b53f06fa..679156e3a13 100644
--- a/profiles/arch/amd64/x32/package.mask
+++ b/profiles/arch/amd64/x32/package.mask
@@ -1,24 +1,24 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Thomas Deutschmann <whissi@g.o> (23 Oct 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-10-23)
 # requires net-libs/nodejs
 >=www-client/firefox-63.0
 
-# Patrick McLean <chutzpah@g.o> (12 Jul 2018)
+# Patrick McLean <chutzpah@g.o> (2018-07-12)
 # requires nodejs
 >=sys-cluster/ceph-13
 
-# Michał Górny <mgorny@g.o> (15 Apr 2018)
+# Michał Górny <mgorny@g.o> (2018-04-15)
 # Broken multilib dependencies.
 net-im/mattermost-desktop-bin
 net-im/skypeforlinux
 net-im/slack-bin
 
-# Pawel Hajdan jr <phajdan.jr@g.o> (07 Oct 2012)
+# Pawel Hajdan jr <phajdan.jr@g.o> (2012-10-07)
 # V8 upstream said they won't support x32, bug #423815
 # Masked packages containing V8.
-# Michał Górny <mgorny@g.o> (12 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-12)
 # ...and their reverse dependencies.
 app-editors/atom
 dev-lang/coffee-script

diff --git a/profiles/arch/amd64/x32/package.use.force b/profiles/arch/amd64/x32/package.use.force
index 104f780e302..388c2861e5f 100644
--- a/profiles/arch/amd64/x32/package.use.force
+++ b/profiles/arch/amd64/x32/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (08 Apr 2017)
+# Michał Górny <mgorny@g.o> (2017-04-08)
 # Require sandbox to be multilib-capable to avoid failures when building
 # multilib packages, #611292.
 sys-apps/sandbox abi_x86_64

diff --git a/profiles/arch/amd64/x32/package.use.mask b/profiles/arch/amd64/x32/package.use.mask
index b9bc80329f6..404da15edac 100644
--- a/profiles/arch/amd64/x32/package.use.mask
+++ b/profiles/arch/amd64/x32/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (12 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-12)
 # Those packages require net-libs/nodejs.
 dev-python/nbdime webtools
 dev-ruby/ammeter test
@@ -13,7 +13,7 @@ net-analyzer/netdata nodejs
 dev-lang/nim test
 www-apps/jekyll test
 
-# Davide Pesavento <pesa@g.o> (30 Nov 2011)
+# Davide Pesavento <pesa@g.o> (2011-11-30)
 # The QML (V4) and JSC JITs do not work on x32.
 dev-qt/qtdeclarative jit
 dev-qt/qtscript jit

diff --git a/profiles/arch/amd64/x32/use.force b/profiles/arch/amd64/x32/use.force
index 88868c58e33..11807076573 100644
--- a/profiles/arch/amd64/x32/use.force
+++ b/profiles/arch/amd64/x32/use.force
@@ -1,4 +1,4 @@
-# Michał Górny <mgorny@g.o> (26 Jan 2013)
+# Michał Górny <mgorny@g.o> (2013-01-26)
 # Force the flag corresponding to the default ABI, and unforce generic
 # one.
 abi_x86_x32

diff --git a/profiles/arch/amd64/x32/use.mask b/profiles/arch/amd64/x32/use.mask
index 2ed01d2ac7a..a0a09c71ff0 100644
--- a/profiles/arch/amd64/x32/use.mask
+++ b/profiles/arch/amd64/x32/use.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (26 Jan 2013)
+# Michał Górny <mgorny@g.o> (2013-01-26)
 # Unmask the x32 ABI.
 -abi_x86_x32

diff --git a/profiles/arch/arm/armv4/package.mask b/profiles/arch/arm/armv4/package.mask
index 7a01f045703..fe9b8213891 100644
--- a/profiles/arch/arm/armv4/package.mask
+++ b/profiles/arch/arm/armv4/package.mask
@@ -1,4 +1,4 @@
-# Anthony Ryan <anthonyryan1@×××××.com> (21 Jan 2017)
+# Anthony Ryan <anthonyryan1@×××××.com> (2017-01-21)
 # This package states supports for arm >= v6
 dev-lang/nim
 

diff --git a/profiles/arch/arm/armv4t/package.mask b/profiles/arch/arm/armv4t/package.mask
index 7a01f045703..fe9b8213891 100644
--- a/profiles/arch/arm/armv4t/package.mask
+++ b/profiles/arch/arm/armv4t/package.mask
@@ -1,4 +1,4 @@
-# Anthony Ryan <anthonyryan1@×××××.com> (21 Jan 2017)
+# Anthony Ryan <anthonyryan1@×××××.com> (2017-01-21)
 # This package states supports for arm >= v6
 dev-lang/nim
 

diff --git a/profiles/arch/arm/armv5te/package.mask b/profiles/arch/arm/armv5te/package.mask
index 5f018a0c3e3..0b8f847177a 100644
--- a/profiles/arch/arm/armv5te/package.mask
+++ b/profiles/arch/arm/armv5te/package.mask
@@ -1,4 +1,4 @@
-# Anthony Ryan <anthonyryan1@×××××.com> (21 Jan 2017)
+# Anthony Ryan <anthonyryan1@×××××.com> (2017-01-21)
 # This package states supports for arm >= v6
 dev-lang/nim
 

diff --git a/profiles/arch/arm/armv6j/package.mask b/profiles/arch/arm/armv6j/package.mask
index c951833b975..96302cff734 100644
--- a/profiles/arch/arm/armv6j/package.mask
+++ b/profiles/arch/arm/armv6j/package.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (09 Jan 2016)
+# James Le Cuirot <chewi@g.o> (2016-01-09)
 # This is built for armv6 so unmask against the wider arm mask.
 -dev-java/oracle-jdk-bin
 -dev-java/oracle-jre-bin

diff --git a/profiles/arch/arm/armv7a/package.mask b/profiles/arch/arm/armv7a/package.mask
index 9b037623bcf..ea16b137362 100644
--- a/profiles/arch/arm/armv7a/package.mask
+++ b/profiles/arch/arm/armv7a/package.mask
@@ -1,15 +1,15 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (09 Jan 2016)
+# James Le Cuirot <chewi@g.o> (2016-01-09)
 # This is built for armv6 so unmask against the wider arm mask.
 -dev-java/oracle-jdk-bin
 -dev-java/oracle-jre-bin
 
-# James Le Cuirot <chewi@g.o> (24 May 2015)
+# James Le Cuirot <chewi@g.o> (2015-05-24)
 # This is built for armv7a so unmask against the wider arm mask.
 -dev-java/icedtea-bin
 
-# Georgy Yakovlev <gyakovlev@g.o> (22 June 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-06-22)
 # This is built for armv7a so unmask here.
 -dev-java/openjdk-bin:11

diff --git a/profiles/arch/arm/make.defaults b/profiles/arch/arm/make.defaults
index 48822043d21..23746eae9be 100644
--- a/profiles/arch/arm/make.defaults
+++ b/profiles/arch/arm/make.defaults
@@ -15,10 +15,10 @@ ABI="${DEFAULT_ABI}"
 LIBDIR_arm="lib"
 CHOST_arm="${CHOST}"
 
-# 2006/08/18 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-08-18)
 # Defaults for video drivers
 VIDEO_CARDS="exynos fbdev omap"
 
-# Michał Górny <mgorny@g.o> (14 Mar 2017)
+# Michał Górny <mgorny@g.o> (2017-03-14)
 # Unhide the ARM-specific USE_EXPANDs.
 USE_EXPAND_HIDDEN="-CPU_FLAGS_ARM"

diff --git a/profiles/arch/arm/package.mask b/profiles/arch/arm/package.mask
index c9e8766bf74..5b6f8f36f27 100644
--- a/profiles/arch/arm/package.mask
+++ b/profiles/arch/arm/package.mask
@@ -1,15 +1,15 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (09 Jan 2016)
+# James Le Cuirot <chewi@g.o> (2016-01-09)
 # This is built for armv6 and will not work on earlier generations.
 dev-java/oracle-jdk-bin
 dev-java/oracle-jre-bin
 
-# James Le Cuirot <chewi@g.o> (24 May 2015)
+# James Le Cuirot <chewi@g.o> (2015-05-24)
 # This is built for armv7a and will not work on earlier generations.
 dev-java/icedtea-bin
 
-# Georgy Yakovlev <gyakovlev@g.o> (22 June 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-06-22)
 # This is built for armv7a and will not work on earlier generations.
 dev-java/openjdk-bin:11

diff --git a/profiles/arch/arm/package.use.force b/profiles/arch/arm/package.use.force
index 3e52fa707e0..db3ecc00968 100644
--- a/profiles/arch/arm/package.use.force
+++ b/profiles/arch/arm/package.use.force
@@ -1,17 +1,17 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Georgy Yakovlev <gyakovlev@g.o> (16 Feb 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-02-16)
 # Force the host target
 dev-lang/rust llvm_targets_ARM
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_ARM
 sys-devel/clang llvm_targets_ARM
 sys-devel/llvm llvm_targets_ARM
 
-# Anthony G. Basile <blueness@g.o> (11 Nov 2012)
+# Anthony G. Basile <blueness@g.o> (2012-11-11)
 # Only gnome-base/gdm has stable keywording. If x11-misc/lightdm or kde-plasma/kdm
 # gets stable keyword, this line can be removed.
 x11-misc/xscreensaver gdm

diff --git a/profiles/arch/arm/package.use.mask b/profiles/arch/arm/package.use.mask
index 76b9c2b707e..81864055591 100644
--- a/profiles/arch/arm/package.use.mask
+++ b/profiles/arch/arm/package.use.mask
@@ -1,186 +1,186 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Matt Turner <mattst88@g.o> (20 Jun 2019)
+# Matt Turner <mattst88@g.o> (2019-06-20)
 # dev-lang/spidermonkey:60[jit] fails to build on most platforms, but does
 # build on arm.
 >=dev-lang/spidermonkey-60 -jit
 
-# Lars Wendler <polynomial-c@g.o> (29 Apr 2019)
+# Lars Wendler <polynomial-c@g.o> (2019-04-29)
 # Requires app-text/discount and net-libs/webkit-gtk which both have
 # no keywords on arm
 dev-util/geany-plugins markdown
 
-# Patrick McLean <chutzpah@g.o> (15 Apr 2019)
+# Patrick McLean <chutzpah@g.o> (2019-04-15)
 # deps not available on platform
 sys-cluster/ceph babeltrace lttng
 
-# Patrick McLean <chutzpah@g.o> (15 Apr 2019)
+# Patrick McLean <chutzpah@g.o> (2019-04-15)
 # pending re-keyword request, bug 615400
 net-analyzer/rrdtool rados
 sys-fs/multipath-tools rbd
 www-servers/uwsgi uwsgi_plugins_rados
 
-# Anthony G. Basile <blueness@g.o> (16 Mar 2019)
+# Anthony G. Basile <blueness@g.o> (2019-03-16)
 # to avoid a circular dependency
 dev-python/async_timeout test
 
-# Anthony G. Basile <blueness@g.o> (8 Mar 2019)
+# Anthony G. Basile <blueness@g.o> (2019-03-08)
 # hipe code is missing in erlang for arm
 dev-lang/erlang hipe
 net-im/ejabberd hipe
 
-# Andreas Sturmlechner <asturm@g.o> (25 Feb 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-02-25)
 # (SM)BIOS/Thunderbolt outside of amd64/x86? - citation needed
 sys-apps/fwupd dell thunderbolt
 
-# Bernard Cafarelli <voyageur@g.o> (14 Jan 2019)
+# Bernard Cafarelli <voyageur@g.o> (2019-01-14)
 # Requires dev-php/pecl-imagick which is not keyworded on arm
 www-apps/nextcloud imagemagick
 
-# Corentin Pazdera <nado@××××××××××.be> (28 Dec 2018)
+# Corentin Pazdera <nado@××××××××××.be> (2018-12-28)
 # Requires virtual/pypy which isn't keyworded for ARM.
 www-servers/uwsgi pypy
 
-# Davide Pesavento <pesa@g.o> (27 Dec 2018)
+# Davide Pesavento <pesa@g.o> (2018-12-27)
 # The corresponding Qt5 modules are not keyworded on arm, and we don't want to
 # keyword them solely because of PyQt5 while there are no other in-tree users.
 dev-python/PyQt5 networkauth
 
-# Aaron W. Swenson <titanofold@g.o> (19 Oct 2018)
+# Aaron W. Swenson <titanofold@g.o> (2018-10-19)
 # Requires sys-devel/clang which isn’t keyworded for ARM.
 dev-db/postgresql llvm
 
-# Michał Górny <mgorny@g.o> (18 Oct 2018)
+# Michał Górny <mgorny@g.o> (2018-10-18)
 # Requires unported sys-libs/netbsd-csu.
 sys-devel/clang-runtime crt
 
-# Thomas Deutschmann <whissi@g.o> (12 Oct 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-10-12)
 # Requires www-client/firefox which isn't available on ARM yet
 # due to dev-lang/rust requirement
 dev-ruby/capybara test
 
-# Christian Ruppert <idl0r@g.o> (25 Aug 2018)
+# Christian Ruppert <idl0r@g.o> (2018-08-25)
 # pre-built, no ARM support
 net-wireless/gr-osmosdr sdrplay
 
-# Tomáš Mózes <hydrapolic@×××××.com> (10 Aug 2018)
+# Tomáš Mózes <hydrapolic@×××××.com> (2018-08-10)
 # Needs dev-libs/libmaxminddb which isn't keyworded
 app-admin/syslog-ng geoip2
 
-# Thomas Deutschmann <whissi@g.o> (04 Jul 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-07-04)
 # dev-libs/xxhash not keyworded for arm
 app-admin/rsyslog xxhash
 
-# Tomáš Mózes <hydrapolic@×××××.com> (19 Jun 2018)
+# Tomáš Mózes <hydrapolic@×××××.com> (2018-06-19)
 # Needs dev-libs/libmaxminddb which isn't keyworded
 www-servers/nginx nginx_modules_http_geoip2 nginx_modules_stream_geoip2
 
-# Thomas Deutschmann <whissi@g.o> (06 Jun 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-06-06)
 # Needs sys-apps/fakechroot which isn't keyworded
 app-arch/rpm test
 
-# Andreas Sturmlechner <asturm@g.o> (03 Jun 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-06-03)
 # net-wireless/soapysdr not keyworded
 net-wireless/gr-osmosdr soapy
 
-# Markus Meier <maekke@g.o> (30 May 2018)
+# Markus Meier <maekke@g.o> (2018-05-30)
 # unkeyworded deps for bug #621434
 net-analyzer/zmap mongo
 
-# Michał Górny <mgorny@g.o> (15 Apr 2018)
+# Michał Górny <mgorny@g.o> (2018-04-15)
 # Unkeyworded dep masks moved from default/linux.
 app-admin/diamond mongo
 net-libs/gnutls test-full
 mail-client/mutt notmuch
 
-# Andreas Sturmlechner <asturm@g.o> (02 Mar 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-03-02)
 # Requires unkeyworded deps
 >=dev-python/ipython-5.4.1 notebook qt5 smp
 
-# Andreas Sturmlechner <asturm@g.o> (04 Feb 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-02-04)
 # Depends on not yet keyworded dev-python/geoip-python. Bug #636860
 net-p2p/deluge geoip
 
-# Amy Liffey <amynka@g.o (21 Jan 2018)
+# Amy Liffey <amynka@g.o (2018-01-21)
 # dev-libs/cereal not keyworded for arm
 media-libs/opencv contrib_dnn
 
-# Michał Górny <mgorny@g.o> (30 Dec 2017)
+# Michał Górny <mgorny@g.o> (2017-12-30)
 # Moved from use.mask since they are flags local to one package.
 dev-cpp/xsd ace
 games-fps/doom-data doomsday
 media-tv/tvheadend hdhomerun
 
-# Michał Górny <mgorny@g.o> (29 Nov 2017)
+# Michał Górny <mgorny@g.o> (2017-11-29)
 # All current clang versions are broken on ARM.
 app-doc/doxygen clang
 
-# Thomas Deutschmann <whissi@g.o> (28 Nov 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-11-28)
 # Requires dev-libs/mongo-c-driver which isn't keyworded
 >=app-admin/rsyslog-8.31 mongodb
 
-# Andreas Sturmlechner <asturm@g.o> (11 Oct 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-10-11)
 # Required dependency dev-qt/qtspeech is not keyworded, bug #675340
 kde-frameworks/knotifications speech
 kde-frameworks/ktextwidgets speech
 
-# Patrice Clement <monsieurp@g.o> (24 Sep 2017)
+# Patrice Clement <monsieurp@g.o> (2017-09-24)
 # Unmask Raspberry Pi support on arm.
 media-video/mpv -raspberry-pi
 
-# James Le Cuirot <chewi@g.o> (20 Sep 2017)
+# James Le Cuirot <chewi@g.o> (2017-09-20)
 # media-sound/mac's executable segfaults when compressing all but the
 # smallest wav files.
 media-sound/xmms2 mac
 
-# Michał Górny <mgorny@g.o> (10 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-10)
 # Requires USE=ipmi which is masked in this profile.
 sys-power/nut ups_drivers_nut-ipmipsu
 
-# Michał Górny <mgorny@g.o> (10 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-10)
 # Requires USE=octave which is masked in this profile.
 dev-python/ipython test
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Required VIDEO_CARDS=i965/radeonsi, both masked in this profile.
 media-libs/mesa vulkan vulkan-overlay
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=opencl that is masked in this profile.
 net-misc/bfgminer adl lm_sensors
 
-# Michał Górny <mgorny@g.o> (28 Jun 2017)
+# Michał Górny <mgorny@g.o> (2017-06-28)
 # dev-tcltk/tcllib is not keyworded, and tests are restricted anyway, so
 # no point in pursuing it right now.
 app-shells/bash-completion test
 
-# James Le Cuirot <chewi@g.o> (25 Apr 2017)
+# James Le Cuirot <chewi@g.o> (2017-04-25)
 # Oracle doesn't include VisualVM on this platform.
 dev-java/oracle-jdk-bin visualvm
 
-# Patrice Clement <monsieurp@g.o> (09 Apr 2017)
+# Patrice Clement <monsieurp@g.o> (2017-04-09)
 # Enable MQTT support on supported architectures
 app-metrics/collectd -collectd_plugins_mqtt
 
-# Michael Weber <xmw@g.o> (15 Mar 2017)
+# Michael Weber <xmw@g.o> (2017-03-15)
 # Cannot test non-free dependency dev-libs/device-atlas-api-c
 net-proxy/haproxy device-atlas
 
-# Alon Bar-Lev <alonbl@g.o> (10 Mar 2017)
+# Alon Bar-Lev <alonbl@g.o> (2017-03-10)
 # net-firewall/ipset is not available on arm
 net-firewall/firehol ipset
 
-# Christoph Junghans <junghans@g.o> (05 Feb 2017)
+# Christoph Junghans <junghans@g.o> (2017-02-05)
 # Mask some fabrics
 sys-cluster/openmpi java openmpi_fabrics_psm openmpi_fabrics_knem openmpi_fabrics_open-mx openmpi_fabrics_ofed openmpi_fabrics_dapl openmpi_rm_pbs openmpi_rm_slurm openmpi_ofed_features_rdmacm openmpi_ofed_features_control-hdr-padding openmpi_ofed_features_connectx-xrc openmpi_ofed_features_udcm openmpi_ofed_features_dynamic-sl openmpi_ofed_features_failover
 
-# Luke Dashjr <luke-jr+gentoobugs@×××××××.org> (04 Jan 2017)
+# Luke Dashjr <luke-jr+gentoobugs@×××××××.org> (2017-01-04)
 # Assembly optimisations are supported on arm since 0.0.0_pre20161213
 dev-libs/libsecp256k1 -asm
 <dev-libs/libsecp256k1-0.0.0_pre20161213 asm
 
-# James Le Cuirot <chewi@g.o> (14 Dec 2016)
+# James Le Cuirot <chewi@g.o> (2016-12-14)
 # DOSBox + OpenGLide is untested on this arch.
 games-emulation/dosbox glide
 
@@ -188,35 +188,35 @@ games-emulation/dosbox glide
 # sci-libs/gdal[mdb] requires dev-java/jackcess which is not keyworded
 >=sci-libs/gdal-2.0.3 mdb
 
-# Gilles Dartiguelongue <eva@g.o> (23 Aug 2016)
+# Gilles Dartiguelongue <eva@g.o> (2016-08-23)
 # Missing keywords on media-libs/grilo - bug #521972
 media-sound/rhythmbox upnp-av
 
-# Brian Evans <grknight@g.o> (18 Aug 2016)
+# Brian Evans <grknight@g.o> (2016-08-18)
 # Allow jdbc on this arch
 dev-db/mariadb -jdbc
 
-# David Seifert <soap@g.o> (31 Jul 2016)
+# David Seifert <soap@g.o> (2016-07-31)
 # media-gfx/graphicsmagick is not keyworded on arm, users will need
 # to enable imagemagick flag and disable graphicsmagick use flag
 # to enable conversion facilities
 sci-mathematics/octave graphicsmagick
 media-gfx/zbar graphicsmagick
 
-# Göktürk Yüksek <gokturk@g.o> (14 June 2016) on behalf of
+# Göktürk Yüksek <gokturk@g.o> (2016-06-14) on behalf of
 # Nicholas Vinson <nvinso234@×××××.com> (proxy-maint)
 # net-firewall/nftables[doc] requires dblatex which is not keyworded
 net-firewall/nftables doc
 
-# Amy Winston <amynka@g.o> (12 June 2016)
+# Amy Winston <amynka@g.o> (2016-06-12)
 # does not build on arm at all (upstream bug)
 dev-scheme/racket futures jit
 
-# Patrick McLean <chutzpah@g.o> (12 May 2016)
+# Patrick McLean <chutzpah@g.o> (2016-05-12)
 # Tests require dev-python/tox which isn't keyworded on arm
 sys-cluster/ceph test
 
-# Thomas Deutschmann <whissi@g.o> (19 Mar 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-03-19)
 # Unkeyworded deps, bug #564274
 app-metrics/collectd collectd_plugins_gmond
 app-metrics/collectd collectd_plugins_ipmi
@@ -229,125 +229,125 @@ app-metrics/collectd collectd_plugins_varnish
 app-metrics/collectd collectd_plugins_virt
 app-metrics/collectd collectd_plugins_write_mongodb
 
-# Markus Meier <maekke@g.o> (02 Mar 2016)
+# Markus Meier <maekke@g.o> (2016-03-02)
 # unkeyworded deps for bug #573324
 sci-mathematics/flint ntl
 
-# Markus Meier <maekke@g.o> (26 Feb 2016)
+# Markus Meier <maekke@g.o> (2016-02-26)
 # unmask scanner for net-print/hplip, bug #518456
 media-sound/moc timidity
 
-# Justin Lecher <jlec@g.o> (22 Feb 2016)
+# Justin Lecher <jlec@g.o> (2016-02-22)
 # Missing test deps keyword #575366
 dev-cpp/eigen test
 
-# James Le Cuirot <chewi@g.o> (30 Jan 2016)
+# James Le Cuirot <chewi@g.o> (2016-01-30)
 # scrollview requires SWT, which is currently unsupported on ARM.
 app-text/tesseract scrollview
 
-# Brian Evans <grknight@g.o> (23 Nov 2015)
+# Brian Evans <grknight@g.o> (2015-11-23)
 # unmask galera for dev-db/mariadb
 >=dev-db/mariadb-10.1.0 -galera
 
-# Markus Meier <maekke@g.o> (22 Nov 2015)
+# Markus Meier <maekke@g.o> (2015-11-22)
 # unmask scanner for net-print/hplip, bug #518456
 net-print/hplip -scanner kde
 media-gfx/xsane ocr
 
-# Pacho Ramos <pacho@g.o> (15 Nov 2015)
+# Pacho Ramos <pacho@g.o> (2015-11-15)
 # Missing keywords
 >=media-plugins/grilo-plugins-0.2.16 upnp-av
 
-# Alexis Ballier <aballier@g.o> (14 Nov 2015)
+# Alexis Ballier <aballier@g.o> (2015-11-14)
 # MMAL is available on the Raspberry Pi (armv6 & armv7 so far)
 media-video/ffmpeg -mmal
 
-# Markus Meier <maekke@g.o> (10 Nov 2015)
+# Markus Meier <maekke@g.o> (2015-11-10)
 # unkeyworded deps, bug #555896
 sci-libs/armadillo mkl
 
-# Pawel Hajdan jr <phajdan.jr@g.o> (15 Oct 2015)
+# Pawel Hajdan jr <phajdan.jr@g.o> (2015-10-15)
 # Repoman reports dependency issues on arm.
 www-client/chromium system-ffmpeg
 
-# Markus Meier <maekke@g.o> (10 Oct 2015)
+# Markus Meier <maekke@g.o> (2015-10-10)
 # unkeyworded deps, bug #552330
 app-portage/g-sorcery bson
 
-# Markos Chandras <hwoarang@g.o> (18 Apr 2015)
+# Markos Chandras <hwoarang@g.o> (2015-04-18)
 # samba-4 not keyworded on arm
 sys-auth/sssd samba
 
-# Alexis Ballier <aballier@g.o> (02 Apr 2015)
+# Alexis Ballier <aballier@g.o> (2015-04-02)
 # Needs ilmbase (openexr), which does not build and is masked on arm.
 media-libs/freeimage tiff
 
-# Jason A. Donenfeld <zx2c4@g.o> (09 Feb 2015)
+# Jason A. Donenfeld <zx2c4@g.o> (2015-02-09)
 # Google does not distribute the widevine plugin for ARM. It must be extracted from a Chromebook,
 # and this kind of reverse engineering work likely violates many agreements, so we mask the flag.
 www-client/chromium widevine
 
-# Markus Meier <maekke@g.o> (17 Jan 2015)
+# Markus Meier <maekke@g.o> (2015-01-17)
 # Unkeyworded deps, bug #536226
 net-vpn/strongswan strongswan_plugins_unbound
 
-# Alexis Ballier <aballier@g.o> (06 Jan 2015)
+# Alexis Ballier <aballier@g.o> (2015-01-06)
 # sci-libs/xkaapi does not build here on armv7
 sci-libs/vtk kaapi
 
-# Benda Xu <heroxbd@g.o> (03 Jan 2015)
+# Benda Xu <heroxbd@g.o> (2015-01-03)
 # not tested
 app-i18n/anthy canna-2ch
 app-i18n/scim-anthy kasumi
 
-# Gilles Dartiguelongue <eva@g.o> (23 Dec 2014)
+# Gilles Dartiguelongue <eva@g.o> (2014-12-23)
 # New dependencies for wayland support in Gnome 3.14
 # See bug #533420.
 media-libs/clutter egl wayland
 media-libs/clutter-gtk wayland
 
-# Markus Meier <maekke@g.o> (29 Nov 2014)
+# Markus Meier <maekke@g.o> (2014-11-29)
 # Unkeyworded deps, bug #518742
 dev-python/ipython doc
 dev-python/oct2py doc
 
-# Michael Weber <xmw@g.o> (15 Nov 2014)
+# Michael Weber <xmw@g.o> (2014-11-15)
 # missing keywords on media-libs/libharu
 www-client/netsurf pdf-writer
 
-# Markus Meier <maekke@g.o> (14 Nov 2014)
+# Markus Meier <maekke@g.o> (2014-11-14)
 # Unkeyworded deps, bug #511532
 net-im/prosody libevent mysql postgres sqlite
 
-# Alexis Ballier <aballier@g.o> (24 Oct 2014)
+# Alexis Ballier <aballier@g.o> (2014-10-24)
 # sci-libs/hdf is not supported on arm
 sci-libs/netcdf hdf
 
-# Markus Meier <maekke@g.o> (24 Sep 2014)
+# Markus Meier <maekke@g.o> (2014-09-24)
 # Unkeyworded deps, bug #519618
 sys-block/fio glusterfs rbd
 
-# Rick Farina <zerochaos@g.o> (27 Jul 2014)
+# Rick Farina <zerochaos@g.o> (2014-07-27)
 # net-misc/dahdi doesn't build
 net-voip/yate dahdi
 
-# Rick Farina <zerochaos@g.o> (22 Jul 2014)
+# Rick Farina <zerochaos@g.o> (2014-07-22)
 # sci-libs/mpir doesn't build
 dev-python/gmpy mpir
 
-# Markus Meier <maekke@g.o> (24 Jun 2014)
+# Markus Meier <maekke@g.o> (2014-06-24)
 # Unkeyworded deps, bug #513108
 >=net-misc/spice-gtk-0.25 smartcard
 
-# Jauhien Piatlicki <jauhien@g.o> (29 May 2014)
+# Jauhien Piatlicki <jauhien@g.o> (2014-05-29)
 # Unkeyworded deps
 lxqt-base/lxqt-meta lximage
 
-# Markus Meier <maekke@g.o> (04 May 2014)
+# Markus Meier <maekke@g.o> (2014-05-04)
 # Unkeyworded deps, bug #509082
 mail-filter/opendkim opendbx
 
-# S. Suominen <ssuominen@g.o> (17 Apr 2014)
+# S. Suominen <ssuominen@g.o> (2014-04-17)
 # First GTK+-3.x version of EasyTAG!
 # Keyword as reqiuired, ~arch is enough for now:
 # media-libs/opusfile for USE opus
@@ -356,90 +356,90 @@ mail-filter/opendkim opendbx
 # Do it! No reason to ask permission before!
 >=media-sound/easytag-2.2.0 opus test
 
-# Yixun Lan <dlan@g.o> (12 Apr 2014)
+# Yixun Lan <dlan@g.o> (2014-04-12)
 # app-emulation/qemu is not keyworded on arm arch.
 # app-text/pandoc is not keyworded on arm arch.
 app-emulation/xen-tools system-qemu doc
 
-# Markus Meier <maekke@g.o> (23 Feb 2014)
+# Markus Meier <maekke@g.o> (2014-02-23)
 # Needs sci-physics/bullet tested #499974
 dev-libs/efl physics
 
-# Jason A. Donenfeld <zx2c4@g.o> (27 Jan 2014)
+# Jason A. Donenfeld <zx2c4@g.o> (2014-01-27)
 # luajit isn't keyworded for arm yet, which is a bummer
 net-im/prosody jit
 
-# Rick Farina <zerochaos@g.o> (09 Jan 2014)
+# Rick Farina <zerochaos@g.o> (2014-01-09)
 # rjb doesn't work on arm, so no java hacks for metasploit
 net-analyzer/metasploit java
 
-# Markus Meier <maekke@g.o> (26 Dec 2013)
+# Markus Meier <maekke@g.o> (2013-12-26)
 # Unkeyworded deps, bug #488724
 app-office/gnumeric libgda
 
-# Pacho Ramos <pacho@g.o> (28 Nov 2013)
+# Pacho Ramos <pacho@g.o> (2013-11-28)
 # Missing keywords, bug #492820
 net-im/telepathy-connection-managers sipe
 
-# Pacho Ramos <pacho@g.o> (31 Oct 2013)
+# Pacho Ramos <pacho@g.o> (2013-10-31)
 # Missing keywords, bug #478254
 gnome-base/gnome classic extras
 
-# Benda Xu <heroxbd@g.o> (31 Oct 2013)
+# Benda Xu <heroxbd@g.o> (2013-10-31)
 # Missing keywords from dev-ml/lablgtk, bug #487722
 net-p2p/mldonkey gtk guionly
 
-# Markus Meier <maekke@g.o> (15 Sep 2013)
+# Markus Meier <maekke@g.o> (2013-09-15)
 # Unkeyworded deps, bug #481462
 dev-python/ipython nbconvert
 
-# Sergey Popov <pinkbyte@g.o> (06 Sep 2013)
+# Sergey Popov <pinkbyte@g.o> (2013-09-06)
 # sci-libs/hdf does not build properly on arm
 dev-perl/PDL hdf
 
-# Michael Weber <xmw@g.o> (23 Aug 2013)
+# Michael Weber <xmw@g.o> (2013-08-23)
 # Unkeyworded deps
 media-gfx/fim graphicsmagick svg
 
-# Markus Meier <maekke@g.o> (04 Aug 2013)
+# Markus Meier <maekke@g.o> (2013-08-04)
 # Unkeyworded deps, bug #474026
 app-admin/conky cmus irc lua-cairo lua-imlib lua-rsvg moc xmms2
 
-# Sergey Popov <pinkbyte@g.o> (30 Jul 2013)
+# Sergey Popov <pinkbyte@g.o> (2013-07-30)
 # Not tested
 media-libs/devil allegro nvtt
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (13 Jul 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-07-13)
 # requires net-misc/freerdp which is not keyworded on arm
 # screen-sharing requires rdp flag
 dev-libs/weston rdp screen-sharing
 
-# Andreas K. Huettel <dilfridge@g.o> (27 May 2013)
+# Andreas K. Huettel <dilfridge@g.o> (2013-05-27)
 # Firmware loader not keyworded yet
 sci-libs/linux-gpib firmware
 
-# Christoph Junghans <junghans@g.o> (29 Apr 2013)
+# Christoph Junghans <junghans@g.o> (2013-04-29)
 # MKL not available on this arch
 media-gfx/povray mkl
 
-# Benda Xu <heroxbd@g.o> (1 Apr 2013)
+# Benda Xu <heroxbd@g.o> (2013-04-01)
 # dev-ml/lablgtk not keyworded
 net-misc/unison gtk
 
-# Julian Ospald <hasufell@g.o> (31 Mar 2013)
+# Julian Ospald <hasufell@g.o> (2013-03-31)
 # depends on mono
 >=net-irc/hexchat-2.9.4-r1 theme-manager
 
-# Agostino Sarubbo <ago@g.o> (18 Mar 2013)
+# Agostino Sarubbo <ago@g.o> (2013-03-18)
 # Mask java because of bug #461108 comment #7
 dev-libs/xapian-bindings java
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (20 Feb 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-02-20)
 # Mask flags of calligra and dependencies due to lack of keywords
 app-office/calligra openexr spacenav
 media-gfx/pstoedit emf
 
-# Rick Farina <zerochaos@g.o> (05 Feb 2013)
+# Rick Farina <zerochaos@g.o> (2013-02-05)
 # masking all stable packages with java use flag
 net-vpn/openconnect java
 dev-util/oprofile java
@@ -453,79 +453,79 @@ net-print/cups java
 sys-devel/gettext java
 sys-libs/db java
 
-# Alexandre Rostovtsev <tetromino@g.o> (22 Jan 2013)
+# Alexandre Rostovtsev <tetromino@g.o> (2013-01-22)
 # remove mask if/when media-gfx/argyllcms is keywored here.
 x11-misc/colord argyllcms extra-print-profiles
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # requires app-office/unoconv, which requires virtual/ooo, which is not
 # keyworded here. Remove mask if this situation changes.
 gnome-extra/sushi office
 
-# Alexandre Rostovtsev <tetromino@g.o> (30 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-30)
 # requires dev-util/bustle, which is written in haskell
 # remove mask if/when dev-lang/ghc is keywoded for arm
 dev-util/dbus-test-runner test
 
-# Markus Meier <maekke@g.o> (25 Dez 2012)
+# Markus Meier <maekke@g.o> (2012-Dez-25)
 # unkeyworded deps for app-accessibility/speech-dispatcher
 app-accessibility/speech-dispatcher flite
 
-# Markus Meier <maekke@g.o> (08 Dec 2012)
+# Markus Meier <maekke@g.o> (2012-12-08)
 # mask app-office/libreoffice java extensions
 app-office/libreoffice libreoffice_extensions_scripting-beanshell libreoffice_extensions_scripting-javascript libreoffice_extensions_wiki-publisher coinmp
 
-# Steev Klimaszewski <steev@g.o> (03 Aug 2012)
+# Steev Klimaszewski <steev@g.o> (2012-08-03)
 # No java on ARM
 net-analyzer/wireshark bcg729 maxminddb
 
-# Markus Meier <maekke@g.o> (25 Jul 2012)
+# Markus Meier <maekke@g.o> (2012-07-25)
 # no stable media-video/vlc yet, bug #401313
 media-libs/phonon vlc
 
-# Michael Sterrett <mr_bones_@g.o> (04 Mar 2012)
+# Michael Sterrett <mr_bones_@g.o> (2012-03-04)
 # arm is missing keywords for >=dev-libs/json-glib-0.12
 app-admin/syslog-ng json mongodb
 
-# Anthony G. Basile <blueness@g.o> (Dec 21, 2011)
+# Anthony G. Basile <blueness@g.o> (2011-12-21)
 # Mask the vde flag on tinc because net-misc/vde is not
 # keyworded for arm
 net-vpn/tinc vde
 
-# Davide Pesavento <pesa@g.o> (30 Nov 2011)
+# Davide Pesavento <pesa@g.o> (2011-11-30)
 # The QML (V4) and JSC JITs are supported only on amd64/arm/x86,
 # so the flag is masked in the base profile and unmasked here.
 dev-qt/qtdeclarative -jit
 dev-qt/qtscript -jit
 dev-qt/qtwebkit -jit
 
-# Markus Meier <maekke@g.o> (05 Sep 2011)
+# Markus Meier <maekke@g.o> (2011-09-05)
 # unkeyworded deps for bug 379657 and bug 379651
 app-admin/packagekit-base entropy
 
-# Robin H. Johnson <robbat2@g.o> (03 Sep 2011)
+# Robin H. Johnson <robbat2@g.o> (2011-09-03)
 # Remove this for your arch after you keyword dev-utils/google-perftools and virtual/gsasl (bug #381737)
 dev-libs/libmemcached sasl
 
-# Sebastian Pipping <sping@g.o> (22 Feb 2011)
+# Sebastian Pipping <sping@g.o> (2011-02-22)
 # No media-sound/lilypond here, yet (bug #356069)
 app-text/asciidoc test
 
-# Jim Ramsay <lack@g.o> (5 Nov 2008)
+# Jim Ramsay <lack@g.o> (2008-11-05)
 # app-admin/gkrellm may pull in net-libs/libntlm, which is not keyworded
 app-admin/gkrellm ntlm
 
 # missing keywords
 media-plugins/gst-plugins-meta aac dts dv lame libvisual modplug taglib vcd wavpack dvd
 
-# Ultrabug <ultrabug@g.o> (05 Sept 2011)
+# Ultrabug <ultrabug@g.o> (2011-09-05)
 # missing keyword for net-libs/zeromq
 app-admin/rsyslog zeromq
 
-# Ian Whyman <thev00d00@g.o> (22 May 2016)
+# Ian Whyman <thev00d00@g.o> (2016-05-22)
 # RPI support on arm
 dev-libs/libcec -raspberry-pi
 
-# Ian Whyman <thev00d00@g.o> (05 Sept 2017)
+# Ian Whyman <thev00d00@g.o> (2017-09-05)
 # missing keywords dev-lang/duktape media-libs/lastfmlib
 net-misc/gerbera javascript lastfm

diff --git a/profiles/arch/arm/package.use.stable.mask b/profiles/arch/arm/package.use.stable.mask
index 9e4d8a253d0..94a22b4a4aa 100644
--- a/profiles/arch/arm/package.use.stable.mask
+++ b/profiles/arch/arm/package.use.stable.mask
@@ -1,141 +1,141 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Andreas Sturmlechner <asturm@g.o> (10 Feb 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-02-10)
 # Needs kde-frameworks/{kwallet,ki18n,kconfig} stable
 dev-vcs/subversion kwallet
 net-libs/libproxy kde
 
-# Andreas Sturmlechner <asturm@g.o> (10 Feb 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-02-10)
 # Needs kde-plasma/{polkit-kde-agent,plasma-workspace stable
 sys-auth/polkit kde
 virtual/notification-daemon kde
 
-# Andreas Sturmlechner <asturm@g.o> (04 Nov 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-11-04)
 # media-libs/libmtp stabilisation timeout, bug #661162
 gnome-base/gvfs mtp
 
-# Ulrich Müller <ulm@g.o> (09 Aug 2018)
+# Ulrich Müller <ulm@g.o> (2018-08-09)
 # Needs net-libs/webkit-gtk which is not stable, bug #663248
 app-editors/emacs xwidgets
 
-# Mikle Kolyada <zlogene@g.o> (16 Jul 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-07-16)
 # No stable qtnetwork
 net-irc/znc test
 
-# Akinori Hattori <hattya@g.o> (23 Jun 2018)
+# Akinori Hattori <hattya@g.o> (2018-06-23)
 # No stable Java
 dev-db/qdbm java
 
-# Pacho Ramos <pacho@g.o> (28 May 2018)
+# Pacho Ramos <pacho@g.o> (2018-05-28)
 # Don't rely on stable inkscape
 app-text/dblatex inkscape
 
-# Andreas Sturmlechner <asturm@g.o> (07 May 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-05-07)
 # Requires not stabilised dev-python/restkit
 dev-python/wsgiproxy2 test
 dev-python/pyquery test
 
-# Andreas Sturmlechner <asturm@g.o> (07 May 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-05-07)
 # Requires not stabilised dev-python/matplotlib
 dev-python/numpydoc test
 dev-python/ipython matplotlib
 
-# Andreas Sturmlechner <asturm@g.o> (25 Jan 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-01-25)
 # Requires not stabilised app-text/libexttextcat, bug #637086
 net-mail/dovecot textcat
 
-# Brian Evans <grknight@g.o> (9 Jun 2017)
+# Brian Evans <grknight@g.o> (2017-06-09)
 # sys-cluster/galera needs additional deps stable
 dev-db/mariadb galera
 
-# Alexis Ballier <aballier@g.o> (30 May 2017)
+# Alexis Ballier <aballier@g.o> (2017-05-30)
 # No stable fluidsynth yet
 media-libs/sdl-mixer fluidsynth
 media-sound/mpd fluidsynth
 
-# Alexis Ballier <aballier@g.o> (29 May 2017)
+# Alexis Ballier <aballier@g.o> (2017-05-29)
 # frei0r-plugins is not stable yet, mask it on stable versions
 <media-video/libav-13 frei0r
 <=media-video/ffmpeg-4.1.3 frei0r sofalizer
 
-# Alexis Ballier <aballier@g.o> (18 Apr 2017)
+# Alexis Ballier <aballier@g.o> (2017-04-18)
 # No gst-plugins-vp8:0.10, gst-plugins-musepack:0.10 stable
 media-plugins/gst-plugins-meta:0.10 musepack vpx
 
-# Michael Weber <xmw@g.o> (1 Apr 2017)
+# Michael Weber <xmw@g.o> (2017-04-01)
 # no stable jdk
 media-libs/libbluray java
 
-# Thomas Deutschmann <whissi@g.o> (20 Mar 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-03-20)
 # Requires dev-java/java-config and deps which is not stable on arm
 # Requires app-emulation/xen-tools which is not stable on arm
 app-metrics/collectd collectd_plugins_java collectd_plugins_xencpu
 
-# Michael Palimaka <kensington@g.o> (19 Mar 2017)
+# Michael Palimaka <kensington@g.o> (2017-03-19)
 # Required media-plugins/gst-plugins-x264 is not stable
 media-plugins/gst-plugins-meta x264
 
-# Michael Weber <xmw@g.o> (01 Mar 2017)
+# Michael Weber <xmw@g.o> (2017-03-01)
 # Mask until >sys-cluster/ceph-0.94 goes stable
 net-analyzer/rrdtool rados
 
-# Michael Weber <xmw@g.o> (27 Feb 2017)
+# Michael Weber <xmw@g.o> (2017-02-27)
 # Stable mask dev-ruby/haml test till rails is stabilized.
 dev-ruby/haml test
 
-# Brian Evans <grknight@g.o> (17 Jan 2017)
+# Brian Evans <grknight@g.o> (2017-01-17)
 # Stable mask galera since dev-libs/asio is not stable on arm
 dev-db/mariadb galera
 
-# Pacho Ramos <pacho@g.o> (31 Dec 2016)
+# Pacho Ramos <pacho@g.o> (2016-12-31)
 # Not going to be stable for now
 dev-util/geany-plugins gtkspell
 
-# Pacho Ramos <pacho@g.o> (31 Dec 2016)
+# Pacho Ramos <pacho@g.o> (2016-12-31)
 # No stable for arm
 sys-fs/dmraid dietlibc klibc
 
-# Christoph Junghans <junghans@g.o> (27 Nov 2016)
+# Christoph Junghans <junghans@g.o> (2016-11-27)
 # no stable mpi on arm yet, but maybe in the future
 <=app-crypt/johntheripper-1.7.9-r6 mpi
 <=sci-libs/fftw-3.3.4 mpi
 
-# Markus Meier <maekke@g.o> (27 Sep 2016)
+# Markus Meier <maekke@g.o> (2016-09-27)
 # Missing stable
 dev-db/mariadb jdbc
 
-# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (13 Apr 2016)
+# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (2016-04-13)
 # Requires special hardware to test and stabilize properly.
 media-video/mpv raspberry-pi
 
-# Brian Evans <grknight@g.o> (08 Jan 2016)
+# Brian Evans <grknight@g.o> (2016-01-08)
 # net-misc/libteam is not yet stable on arm
 net-misc/networkmanager teamd
 
-# Pacho Ramos <pacho@g.o> (03 Oct 2015)
+# Pacho Ramos <pacho@g.o> (2015-10-03)
 # Missing stable, bug #529462
 media-gfx/graphviz java
 
-# Markus Meier <maekke@g.o> (30 Jul 2015)
+# Markus Meier <maekke@g.o> (2015-07-30)
 # Missing stable
 x11-libs/wxGTK webkit
 
-# Markus Meier <maekke@g.o> (19 Jul 2015)
+# Markus Meier <maekke@g.o> (2015-07-19)
 # Missing stable
 media-libs/gegl umfpack
 
-# Pacho Ramos <pacho@g.o> (02 Jun 2015)
+# Pacho Ramos <pacho@g.o> (2015-06-02)
 # Missing stable
 net-misc/connman l2tp pptp
 
-# Pacho Ramos <pacho@g.o> (02 Jul 2014)
+# Pacho Ramos <pacho@g.o> (2014-07-02)
 # Mask due Gnome3 not going to be stabilized on this arch
 >=gnome-base/gnome-desktop-2.32.1-r2 license-docs
 gnome-base/gvfs google
 net-libs/libproxy webkit
 >=x11-libs/gtk+-3.12.2 cloudprint
 
-# Ian Whyman <thev00d00@g.o> (22 May 2016)
+# Ian Whyman <thev00d00@g.o> (2016-05-22)
 # RPI support on arm
 dev-libs/libcec -raspberry-pi

diff --git a/profiles/arch/arm/use.mask b/profiles/arch/arm/use.mask
index f43742a9f2a..cb8f50c3d5f 100644
--- a/profiles/arch/arm/use.mask
+++ b/profiles/arch/arm/use.mask
@@ -5,38 +5,38 @@
 -cpu_flags_arm_iwmmxt
 -cpu_flags_arm_iwmmxt2
 
-# Michał Górny <mgorny@g.o> (16 Jul 2018)
+# Michał Górny <mgorny@g.o> (2018-07-16)
 # Python 3.7 support requires fresh versions of packages which are stuck
 # at keywordreqs.
 # bug #661320: dev-python/twisted
 python_targets_python3_7
 python_single_target_python3_7
 
-# Andrey Utkin <andrey_utkin@g.o> (13 Jun 2018)
+# Andrey Utkin <andrey_utkin@g.o> (2018-06-13)
 # No ACPI support on arm. Bug #657332
 acpi
 
-# Patrick Lauer <patrick@g.o> (28 Apr 2015)
+# Patrick Lauer <patrick@g.o> (2015-04-28)
 # Dependencies not keyworded
 ayatana
 
-# Andrey Grozin <grozin@g.o> (16 May 2014)
+# Andrey Grozin <grozin@g.o> (2014-05-16)
 # gcl keyworded ~arm, bug #509842
 -gcl
 
-# Markus Meier <maekke@g.o> (22 Aug 2010)
+# Markus Meier <maekke@g.o> (2010-08-22)
 # unmask synaptics input driver
 -input_devices_synaptics
 
-# Markus Meier <maekke@g.o> (22 Aug 2010)
+# Markus Meier <maekke@g.o> (2010-08-22)
 # net-wireless/wimax not tested
 wimax
 
-# Markus Meier <maekke@g.o> (21 Aug 2010)
+# Markus Meier <maekke@g.o> (2010-08-21)
 # app-antivirus/clamav not tested
 clamav
 
-# Kacper Kowalik <xarthisius@g.o> (9 Aug 2010)
+# Kacper Kowalik <xarthisius@g.o> (2010-08-09)
 # cblas-external as virtual/cblas is also masked
 cblas-external
 
@@ -109,7 +109,7 @@ anthy
 # Unmask as Vivante is available for arm.
 -video_cards_vivante
 
-# 2006/02/05 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-02-05)
 # Modular X: mask for architectures on which they aren't available
 video_cards_glint
 video_cards_mga
@@ -128,23 +128,23 @@ video_cards_r600
 video_cards_radeonsi
 
 # USE=audit masked prior to testing on alpha, arm, hppa, ppc64, s390, sh.
-# Bug #184563, 18 Sep 2007
+# Bug #184563, 2007-09-18
 # Robin H. Johnson <robbat2@g.o>
 audit
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # media-libs/xine-lib is not keyworded
 xine
 
-# Michał Górny <mgorny@g.o> (4 May 2013)
+# Michał Górny <mgorny@g.o> (2013-05-04)
 # Unmask systemd since it is keyworded here.
 -systemd
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (22 Aug 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-08-22)
 # virtual/opencl is not keyworded
 opencl
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (10 Nov 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-11-10)
 # sys-devel/llvm is keyworded
 -llvm
 

diff --git a/profiles/arch/arm/use.stable.mask b/profiles/arch/arm/use.stable.mask
index 17a064b8ce9..5d0ba54c26e 100644
--- a/profiles/arch/arm/use.stable.mask
+++ b/profiles/arch/arm/use.stable.mask
@@ -4,20 +4,20 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
-# Thomas Deutschmann <whissi@g.o> (08 Jun 2019)
+# Thomas Deutschmann <whissi@g.o> (2019-06-08)
 # Needs dev-lang/php:7.3 stable
 php_targets_php7-3
 
-# Mike Gilbert <floppym@g.o> (08 Jun 2017)
+# Mike Gilbert <floppym@g.o> (2017-06-08)
 # dev-lang/python:3.7 is not stable.
 python_targets_python3_7
 python_single_target_python3_7
 
-# Andrey Grozin <grozin@g.o> (16 May 2014)
+# Andrey Grozin <grozin@g.o> (2014-05-16)
 # No stable gcl
 gcl
 
-# Pacho Ramos <pacho@g.o> (13 Apr 2014)
+# Pacho Ramos <pacho@g.o> (2014-04-13)
 # Not going to be stabilized on this arch
 colord
 devhelp

diff --git a/profiles/arch/arm64/big-endian/use.mask b/profiles/arch/arm64/big-endian/use.mask
index 0a4af0711f5..4559f7c6124 100644
--- a/profiles/arch/arm64/big-endian/use.mask
+++ b/profiles/arch/arm64/big-endian/use.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 Gentoo Foundation.
 # Distributed under the terms of the GNU General Public License, v2
 
-# James Le Cuirot <chewi@g.o> (29 Jun 2017)
+# James Le Cuirot <chewi@g.o> (2017-06-29)
 # Unmask as this profile is big endian.
 -big-endian

diff --git a/profiles/arch/arm64/make.defaults b/profiles/arch/arm64/make.defaults
index 57acf4d2c47..3fa7f0b1c87 100644
--- a/profiles/arch/arm64/make.defaults
+++ b/profiles/arch/arm64/make.defaults
@@ -17,11 +17,11 @@ LIBDIR_arm64="lib64"
 # Defaults for video drivers
 VIDEO_CARDS="fbdev"
 
-# Mart Raudsepp <leio@g.o> (5 Jun 2018)
+# Mart Raudsepp <leio@g.o> (2018-06-05)
 # Enable USE=libtirpc by default, to ease dependency resolution during
 # the stabilization of glibc-2.26. Bug 657148
 USE="libtirpc"
 
-# Michał Górny <mgorny@g.o> (14 Mar 2017)
+# Michał Górny <mgorny@g.o> (2017-03-14)
 # Unhide the ARM-specific USE_EXPANDs.
 USE_EXPAND_HIDDEN="-CPU_FLAGS_ARM"

diff --git a/profiles/arch/arm64/package.use b/profiles/arch/arm64/package.use
index fdbc734d17c..07d74bba34a 100644
--- a/profiles/arch/arm64/package.use
+++ b/profiles/arch/arm64/package.use
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Alexis Ballier <aballier@g.o> (10 Jul 2017)
+# Alexis Ballier <aballier@g.o> (2017-07-10)
 # Enable the native arch as the default qemu target
 app-emulation/qemu qemu_softmmu_targets_aarch64

diff --git a/profiles/arch/arm64/package.use.force b/profiles/arch/arm64/package.use.force
index 47988b29f58..ff05064b9ef 100644
--- a/profiles/arch/arm64/package.use.force
+++ b/profiles/arch/arm64/package.use.force
@@ -1,17 +1,17 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Georgy Yakovlev <gyakovlev@g.o> (14 May 2018)
+# Georgy Yakovlev <gyakovlev@g.o> (2018-05-14)
 # Force the host target to avoid dependency hell
 dev-lang/rust llvm_targets_AArch64
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_AArch64
 sys-devel/clang llvm_targets_AArch64
 sys-devel/llvm llvm_targets_AArch64
 
-# James Le Cuirot <chewi@g.o> (16 May 2016)
+# James Le Cuirot <chewi@g.o> (2016-05-16)
 # For reasons best known to themselves, Oracle do not ship the
 # libawt_xawt.so library on arm64 even though they do on arm32.
 dev-java/oracle-jdk-bin headless-awt

diff --git a/profiles/arch/arm64/package.use.mask b/profiles/arch/arm64/package.use.mask
index 16af3a18b90..d6f9751a3cf 100644
--- a/profiles/arch/arm64/package.use.mask
+++ b/profiles/arch/arm64/package.use.mask
@@ -1,54 +1,54 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Patrick McLean <chutzpah@g.o> (14 June 2019)
+# Patrick McLean <chutzpah@g.o> (2019-06-14)
 # test deps not keyworded
 dev-util/bcc test
 
-# Georgy Yakovlev <gyakovlev@g.o> (01 June 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-06-01)
 # not yet keyworded
 dev-java/openjdk javafx
 
-# Aaron Bauman <bman@g.o> (27 May 2019)
+# Aaron Bauman <bman@g.o> (2019-05-27)
 # plasma is not stable yet
 kde-frameworks/purpose kaccounts
 
-# Aaron Bauman <bman@g.o> (20 May 2019)
+# Aaron Bauman <bman@g.o> (2019-05-20)
 # doc USE ultimately pulls in dev-lang/ocaml[ocamlopt]
 media-gfx/enblend doc
 
-# Patrick McLean <chutzpah@g.o> (15 Apr 2019)
+# Patrick McLean <chutzpah@g.o> (2019-04-15)
 # pending re-keyword request, bug 615400
 net-analyzer/rrdtool rados
 sys-fs/multipath-tools rbd
 www-servers/uwsgi uwsgi_plugins_rados
 
-# Aaron Bauman <bman@g.o> (8 Apr 2019)
+# Aaron Bauman <bman@g.o> (2019-04-08)
 # app-text/dblatex not keyword yet
 net-firewall/nftables doc
 
-# Mart Raudsepp <leio@g.o> (11 Mar 2019)
+# Mart Raudsepp <leio@g.o> (2019-03-11)
 # media-libs/bcg729 not keyworded yet
 net-analyzer/wireshark bcg729
 
-# Roy Bamford <neddyseagoon@g.o> (11 Mar 2019)
+# Roy Bamford <neddyseagoon@g.o> (2019-03-11)
 # net-misc/dropbox is binary amd64/x86 only
 kde-apps/kdenetwork-meta dropbox
 
-# Roy Bamford <neddyseagoon@g.o> (10 Mar 2019)
+# Roy Bamford <neddyseagoon@g.o> (2019-03-10)
 # sci-chemistry/openbabel is not keyworded/fails to build
 kde-apps/kalzium editor
 
-# Roy Bamford <neddyseagoon@g.o> (10 Mar 2019)
+# Roy Bamford <neddyseagoon@g.o> (2019-03-10)
 # No arm64 ever had bios, but sys-apps/fwupdate needs
 # to be refactored to separate bios and uefi
 kde-plasma/discover firmware
 
-# Jimi Huotari <chiitoo@g.o> (10 Mar 2019)
+# Jimi Huotari <chiitoo@g.o> (2019-03-10)
 # dev-qt/qttranslations is not yet keyworded, bug #680082
 lxqt-base/lxqt-meta nls
 
-# Roy Bamford <neddyseagoon@g.o> (24 Feb 19)
+# Roy Bamford <neddyseagoon@g.o> (2019-02-24)
 # sdl is in use.mask and lots of things remain untested with USE=sdl
 # list packages here that have been tested.
 app-emulation/qemu -sdl
@@ -67,94 +67,94 @@ net-libs/libvncserver -sdl
 virtual/ffmpeg -sdl
 >=x11-libs/wxGTK-3 -sdl
 
-# Roy Bamford <neddyseagoon@g.o> (24 Feb 19)
+# Roy Bamford <neddyseagoon@g.o> (2019-02-24)
 # kde-apps/cantor lua means luajit which needs luajit-2.1.0_beta3 for arm64
 # It builds OK but is not yet in ::gentoo. bug #678404
 kde-apps/cantor lua
 
-# Dirkjan Ochtman <djc@g.o> (29 Sep 2018)
+# Dirkjan Ochtman <djc@g.o> (2018-09-29)
 # Upstream doesn't build docs for tier 2 and lower architectures.
 # Bug #660512.
 dev-lang/rust doc
 dev-lang/rust-bin doc
 
-# Virgil Dupras <vdupras@g.o> (06 Sep 2018)
+# Virgil Dupras <vdupras@g.o> (2018-09-06)
 # sci-electronics/ngspice not yet keyworded, bug #665416
 # sci-libs/opencascade not yet keyworded
 # sci-libs/oce not yet keyworded
 sci-electronics/kicad occ oce ngspice
 
-# Ulrich Müller <ulm@g.o> (02 Sep 2018)
+# Ulrich Müller <ulm@g.o> (2018-09-02)
 # =media-gfx/imagemagick-6* not keyworded
 <app-editors/emacs-24.5-r7:24 imagemagick
 <app-editors/emacs-25.3-r6:25 imagemagick
 <app-editors/emacs-26.1-r3:26 imagemagick
 
-# Matthew Thode <prometheanfire@g.o> (18 Jul 2018)
+# Matthew Thode <prometheanfire@g.o> (2018-07-18)
 # dev-python/pandas not keyworded and test uses pandas
 dev-python/networkx pandas test
 
-# Michał Górny <mgorny@g.o> (07 Jul 2018)
+# Michał Górny <mgorny@g.o> (2018-07-07)
 # Unkeyworded dependencies.
 dev-python/matplotlib doc
 net-libs/gnome-online-accounts gnome
 
-# Tomáš Mózes <hydrapolic@×××××.com> (19 Jun 2018)
+# Tomáš Mózes <hydrapolic@×××××.com> (2018-06-19)
 # Needs dev-libs/libmaxminddb which isn't keyworded
 www-servers/nginx nginx_modules_http_geoip2 nginx_modules_stream_geoip2
 
-# Jan Vesely <jano.vesely@×××××.com> (15 June 2018)
+# Jan Vesely <jano.vesely@×××××.com> (2018-06-15)
 # Mesa clover only works on r600 or radeonsi GPUs. The corresponding
 # video_cards useflags are not available on arm
 media-libs/mesa opencl
 
-# Alex Bennee <alex@××××××.com> (31 May 2018)
+# Alex Bennee <alex@××××××.com> (2018-05-31)
 # bunch of dev-perl packages not yet keyworded
 # and the i3 ebuild currently has RESTRICT="test" due to upstream bug
 x11-wm/i3 test
 
-# Mart Raudsepp <leio@g.o> (30 May 2018)
+# Mart Raudsepp <leio@g.o> (2018-05-30)
 # app-text/pandoc not keyworded yet
 app-emulation/xen-tools doc
 dev-python/notebook doc
 
-# Mart Raudsepp <leio@g.o> (30 May 2018)
+# Mart Raudsepp <leio@g.o> (2018-05-30)
 # Require old gnome2 libraries, not keywording legacy on purpose
 <=app-editors/gvim-8.0.1699 gnome
 sys-devel/distcc gnome
 
-# Mart Raudsepp <leio@g.o> (13 May 2018)
+# Mart Raudsepp <leio@g.o> (2018-05-13)
 # Not bothering with otherwise p.masked old gcc for the
 # extra dev-libs/cloog dependency with USE=graphite
 <sys-devel/gcc-5 graphite
 
-# Mart Raudsepp <leio@g.o> (06 May 2018)
+# Mart Raudsepp <leio@g.o> (2018-05-06)
 # New enough dev-ruby/webmock not keyworded yet
 >=dev-ruby/thor-0.20.0 test
 
-# Michał Górny <mgorny@g.o> (15 Apr 2018)
+# Michał Górny <mgorny@g.o> (2018-04-15)
 # Unkeyworded dependencies.
 app-admin/syslog-ng mongodb
 
-# Mart Raudsepp <leio@g.o> (08 Apr 2018)
+# Mart Raudsepp <leio@g.o> (2018-04-08)
 # Tests fail for bundled luajit, USE=luajit is globally
 # masked too (no-one has tested it yet).
 app-text/texlive-core luajittex
 dev-texlive/texlive-basic luajittex
 
-# Michał Górny <mgorny@g.o> (03 Apr 2018)
+# Michał Górny <mgorny@g.o> (2018-04-03)
 # Requires unported sys-libs/netbsd-csu.
 sys-devel/clang-runtime crt
 
-# Mart Raudsepp <leio@g.o> (31 Mar 2018)
+# Mart Raudsepp <leio@g.o> (2018-03-31)
 # Boost.Context can be built on arm64
 dev-libs/boost -context
 
-# Michał Górny <mgorny@g.o> (03 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-03)
 # Requires masked dependent flags.
 net-fs/samba addc addns ads cluster python test
 
-# Michał Górny <mgorny@g.o> (03 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-03)
 # Some more unkeyworded dependencies.
 app-text/tesseract scrollview
 dev-cpp/eigen test
@@ -171,16 +171,16 @@ www-client/chromium widevine
 www-servers/lighttpd memcached
 x11-misc/xscreensaver gdm
 
-# Michał Górny <mgorny@g.o> (28 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-28)
 # Requires masked dependent flags.
 dev-lang/php ldap-sasl
 net-nds/openldap cxx
 
-# Matthew Thode <prometheanfire@g.o> (23 Feb 2018)
+# Matthew Thode <prometheanfire@g.o> (2018-02-23)
 # net-proxy/haproxy isn't keyworded for arm64
 sys-cluster/neutron haproxy
 
-# Michał Górny <mgorny@g.o> (17 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-17)
 # Requires unkeyworded dependencies.
 dev-python/ipython notebook
 dev-python/networkx scipy
@@ -189,332 +189,332 @@ media-libs/ming php
 media-libs/opencv contrib_dnn
 net-analyzer/icinga2 classicui
 
-# Matthew Thode <prometheanfire@g.o> (16 Feb 2018)
+# Matthew Thode <prometheanfire@g.o> (2018-02-16)
 # USE=test requires dev-db/mongodb which is not keyworded
 dev-python/pymongo test
 
-# Michał Górny <mgorny@g.o> (16 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-16)
 # USE=test-full requires USE=pkcs11 that is use.masked.
 net-libs/gnutls test-full
 
-# Matthew Thode <prometheanfire@g.o> (13 Feb 2018)
+# Matthew Thode <prometheanfire@g.o> (2018-02-13)
 # USE=mercurial requires dev-vcs/mercurial, which is not keyworded yet
 dev-python/setuptools_scm mercurial
 
-# Matthew Thode <prometheanfire@g.o> (13 Feb 2018)
+# Matthew Thode <prometheanfire@g.o> (2018-02-13)
 # USE=scipy requires scipy, which is not keyworded yet
 dev-python/networkx scipy
 
-# Mart Raudsepp <leio@g.o> (13 Feb 2018)
+# Mart Raudsepp <leio@g.o> (2018-02-13)
 # USE=dmraid requires sys-fs/dmraid that is not keyworded yet.
 sys-libs/libblockdev dmraid
 
-# Mart Raudsepp <leio@g.o> (13 Feb 2018)
+# Mart Raudsepp <leio@g.o> (2018-02-13)
 # USE=sofalizer requires sci-libs/netcdf that is not keyworded yet.
 media-video/ffmpeg sofalizer
 
-# Mart Raudsepp <leio@g.o> (13 Feb 2018)
+# Mart Raudsepp <leio@g.o> (2018-02-13)
 # USE=upnp-av requires net-misc/dleyna-server that is not keyworded yet.
 >=media-plugins/grilo-plugins-0.3.5 upnp-av
 
-# Mart Raudsepp <leio@g.o> (13 Feb 2018)
+# Mart Raudsepp <leio@g.o> (2018-02-13)
 # USE=vtk requires sci-libs/vtk that is not keyworded yet.
 media-libs/opencv vtk
 
-# Mart Raudsepp <leio@g.o> (13 Feb 2018)
+# Mart Raudsepp <leio@g.o> (2018-02-13)
 # USE=lua requires dev-lua/lgi that is not keyworded yet.
 dev-libs/libpeas lua
 
-# Michał Górny <mgorny@g.o> (23 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-23)
 # Requires dev-libs/efl that is not keyworded.
 dev-libs/dbus-c++ ecore
 
-# Michał Górny <mgorny@g.o> (23 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-23)
 # USE=eds requires USE=gnome that is masked here.
 # USE=postgres requires dev-db/postgresql[kerberos] (USE masked).
 app-office/libreoffice eds postgres
 
-# Michał Górny <mgorny@g.o> (23 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-23)
 # Requires app-accessibility/brltty that is not keyworded here.
 app-emulation/qemu accessibility
 
-# Michał Górny <mgorny@g.o> (23 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-23)
 # Requires app-emulation/xen that is not keyworded here.
 app-emulation/libvirt xen
 
-# Michał Górny <mgorny@g.o> (12 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-12)
 # Requires USE=sdl that is masked in this profile.
 media-video/mjpegtools sdlgfx
 
-# Michał Górny <mgorny@g.o> (12 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-12)
 # Those require USE=doc that is masked in this profile.
 dev-python/python-glanceclient test
 dev-python/python-neutronclient test
 
-# NeddySeagoon <neddysegoon@g.o> 24 Aug 2017
+# NeddySeagoon <neddysegoon@g.o> (2017-08-24)
 # Support for g15daemon still needs -9999 packages on all arches
 media-sound/mumble g15
 
-# NeddySeagoon <neddysegoon@g.o> (21 Aug 2107)
+# NeddySeagoon <neddysegoon@g.o> (2017-08-21)
 # Pulls in sci-libs/coinor-mp which wants immintrin.h not on arm64
 app-office/libreoffice coinmp
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Required VIDEO_CARDS=i965/radeonsi, both masked in this profile.
 media-libs/mesa vulkan vulkan-overlay
 
-# Alexis Ballier <aballier@g.o> (31 Jul 2017)
+# Alexis Ballier <aballier@g.o> (2017-07-31)
 # Passes -mfpu=neon with neon enabled
 mail-client/thunderbird neon
 
-# Alexis Ballier <aballier@g.o> (20 Jul 2017)
+# Alexis Ballier <aballier@g.o> (2017-07-20)
 # media-libs/libemf fails with #error unknown CPU.
 media-gfx/pstoedit emf
 
-# Alexis Ballier <aballier@g.o> (14 Jul 2017)
+# Alexis Ballier <aballier@g.o> (2017-07-14)
 # Appends -mfpu=neon and asm seems arm32
 net-misc/freerdp neon
 
-# Alexis Ballier <aballier@g.o> (14 Jul 2017)
+# Alexis Ballier <aballier@g.o> (2017-07-14)
 # zfs does not build on arm64 (yet?)
 app-emulation/libvirt zfs
 sys-cluster/ceph zfs
 
-# Alexis Ballier <aballier@g.o> (11 Jul 2017)
+# Alexis Ballier <aballier@g.o> (2017-07-11)
 # Needs indirectly clisp:
 # https://bugs.gentoo.org/show_bug.cgi?id=624532
 app-text/texlive xindy
 
-# Alexis Ballier <aballier@g.o> (11 Jul 2017)
+# Alexis Ballier <aballier@g.o> (2017-07-11)
 # dev-libs/botan:0 fails with 'ERROR: Unknown or unidentifiable processor
 # "aarch64"'
 app-crypt/qca botan
 
-# Alexis Ballier <aballier@g.o> (10 Jul 2017)
+# Alexis Ballier <aballier@g.o> (2017-07-10)
 # openvz-sources are likely too old for any proper arm64 usage
 app-emulation/libvirt openvz
 
-# Alexis Ballier <aballier@g.o> (10 Jul 2017)
+# Alexis Ballier <aballier@g.o> (2017-07-10)
 # sys-firmware/ipxe does not build, mask x86 targets needing it
 app-emulation/qemu qemu_softmmu_targets_i386 qemu_softmmu_targets_x86_64
 
-# Alexis Ballier <aballier@g.o> (10 Jul 2017)
+# Alexis Ballier <aballier@g.o> (2017-07-10)
 # media-gfx/nvidia-texture-tools does not support arm64
 media-libs/devil nvtt
 
-# Alexis Ballier <aballier@g.o> (10 Jul 2017)
+# Alexis Ballier <aballier@g.o> (2017-07-10)
 # Virtualbox is x86 only
 app-emulation/libvirt virtualbox
 
-# Alexis Ballier <aballier@g.o> (7 Jul 2017)
+# Alexis Ballier <aballier@g.o> (2017-07-07)
 # nautilus pulls in gnome-extra/sushi -> dev-libs/gjs -> dev-lang/spidermonkey:24
 # Older spidermonkey does not work on arm64.
 # This should be revised when gjs is updated.
 gnome-base/nautilus previewer
 app-crypt/libsecret test
 
-# Michał Górny <mgorny@g.o> (28 Jun 2017)
+# Michał Górny <mgorny@g.o> (2017-06-28)
 # app-misc/dtach & dev-tcltk/tcllib are not keyworded, and tests are
 # restricted anyway, so no point in pursuing it right now.
 app-shells/bash-completion test
 
-# Alexis Ballier <aballier@g.o> (21 Jun 2017)
+# Alexis Ballier <aballier@g.o> (2017-06-21)
 # Appends -mfpu=neon that doesnt work on arm64
 media-libs/speexdsp cpu_flags_arm_neon
 
-# Alexis Ballier <aballier@g.o> (21 Jun 2017)
+# Alexis Ballier <aballier@g.o> (2017-06-21)
 # net-fs/openafs-kernel does not recognize arm64 properly
 # Need to check if this has a chance to work with in-kernel drivers
 app-crypt/heimdal afs
 
-# Alexis Ballier <aballier@g.o> (20 Jun 2017)
+# Alexis Ballier <aballier@g.o> (2017-06-20)
 # Appends -mfpu=neon which is only valid for arm32 and suggests this is arm32
 # only
 media-sound/pulseaudio neon
 
-# Alexis Ballier <aballier@g.o> (19 Jun 2017)
+# Alexis Ballier <aballier@g.o> (2017-06-19)
 # This is for arm32 only neon asm
 media-libs/vo-aacenc cpu_flags_arm_neon
 
-# Alexis Ballier <aballier@g.o> (16 Jun 2017)
+# Alexis Ballier <aballier@g.o> (2017-06-16)
 # neon on pixman seems armv7 only, at least according to configure checks: it
 # aborts when neon is enabled.
 x11-libs/pixman neon
 
-# James Le Cuirot <chewi@g.o> (22 May 2017)
+# James Le Cuirot <chewi@g.o> (2017-05-22)
 # Only available on some architectures.
 dev-java/icedtea -shenandoah
 
-# Michael Weber <xmw@g.o> (18 May 2017)
+# Michael Weber <xmw@g.o> (2017-05-18)
 # mask due missing keywords on dev-python/epydoc[latex]
 sys-apps/portage epydoc
 
-# Jason Zaman <perfinion@g.o> (09 May 2017)
+# Jason Zaman <perfinion@g.o> (2017-05-09)
 # x11-libs/libXpresent is not keyworded on arm64
 xfce-base/xfwm4 xpresent
 
-# James Le Cuirot <chewi@g.o> (25 Apr 2017)
+# James Le Cuirot <chewi@g.o> (2017-04-25)
 # Oracle doesn't include VisualVM on this platform.
 dev-java/oracle-jdk-bin visualvm
 
-# Markus Meier <maekke@g.o> (24 Mar 2017)
+# Markus Meier <maekke@g.o> (2017-03-24)
 # unkeyworded deps, bug #552330
 app-portage/g-sorcery bson
 
-# Thomas Deutschmann <whissi@g.o> (01 Mar 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-03-01)
 # Unkeyworded depedencies
 app-admin/rsyslog kafka kubernetes mongodb normalize rabbitmq
 
-# Michael Weber <xmw@g.o> (01 Mar 2017)
+# Michael Weber <xmw@g.o> (2017-03-01)
 # untested dependencies
 net-libs/libpcap bluetooth
 
-# Mart Raudsepp <leio@g.o> (16 Feb 2017)
+# Mart Raudsepp <leio@g.o> (2017-02-16)
 # Not yet tested features/dependencies
 app-text/evince dvi nautilus postscript t1lib xps
 net-wireless/blueman appindicator
 x11-libs/gtk+ cloudprint
 
-# Robin Johnson <robbat2@g.o> (14 Feb 2017)
+# Robin Johnson <robbat2@g.o> (2017-02-14)
 # Not tk for this arch yet
 dev-libs/libisoburn launch-frontend launch-frontend-setuid frontend-optional
 
-# Thomas Deutschmann <whissi@g.o> (14 Feb 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-02-14)
 # No lua keyworded for this arch yet
 # libpcre jit is not (yet?) support on this arch
 www-servers/nginx nginx_modules_http_lua pcre-jit
 
-# Mart Raudsepp <leio@g.o> (04 Feb 2017)
+# Mart Raudsepp <leio@g.o> (2017-02-04)
 # dev-libs/snowball-stemmer not keyworded
 dev-libs/appstream-glib stemmer
 
-# Mart Raudsepp <leio@g.o> (28 Jan 2017)
+# Mart Raudsepp <leio@g.o> (2017-01-28)
 # app-admin/hddtemp not keyworded
 app-admin/gkrellm hddtemp
 
-# Steev Klimaszewski <steev@g.o> (04 March 2016)
+# Steev Klimaszewski <steev@g.o> (2016-03-04)
 # Chromium uses an internal tcmalloc that doesn't support this arch yet.
 www-client/chromium tcmalloc
 
-# Mike Frysinger <vapier@g.o> (20 Jul 2015)
-# Mart Raudsepp <leio@g.o> (04 Feb 2017)
+# Mike Frysinger <vapier@g.o> (2015-07-20)
+# Mart Raudsepp <leio@g.o> (2017-02-04)
 # Needs deps tested.
 net-misc/curl  metalink
 
-# Mike Frysinger <vapier@g.o> (16 Mar 2015)
+# Mike Frysinger <vapier@g.o> (2015-03-16)
 # Needs sci-physics/bullet tested #499974
 dev-libs/efl physics
 
-# Roy Bamford <neddyseagoon@g.o> (26 Jan 2017)
+# Roy Bamford <neddyseagoon@g.o> (2017-01-26)
 # gcj-6.3 won't bootstrap icedtea 7
 >=sys-devel/gcc-6 gcj
 
-# Markus Meier <maekke@g.o> (26 Dec 2013)
+# Markus Meier <maekke@g.o> (2013-12-26)
 # Unkeyworded deps, bug #488724
 app-office/gnumeric libgda
 
-# Pacho Ramos <pacho@g.o> (28 Nov 2013)
+# Pacho Ramos <pacho@g.o> (2013-11-28)
 # Missing keywords, bug #492820
 net-im/telepathy-connection-managers sipe
 
-# Pacho Ramos <pacho@g.o> (31 Oct 2013)
+# Pacho Ramos <pacho@g.o> (2013-10-31)
 # Missing keywords, bug #478254
 gnome-base/gnome classic
 
-# Benda Xu <heroxbd@g.o> (31 Oct 2013)
+# Benda Xu <heroxbd@g.o> (2013-10-31)
 # Missing keywords from dev-ml/lablgtk, bug #487722
 net-p2p/mldonkey gtk guionly
 
-# Markus Meier <maekke@g.o> (15 Sep 2013)
+# Markus Meier <maekke@g.o> (2013-09-15)
 # Unkeyworded deps, bug #481462
 dev-python/ipython nbconvert
 
-# Sergey Popov <pinkbyte@g.o> (06 Sep 2013)
+# Sergey Popov <pinkbyte@g.o> (2013-09-06)
 # sci-libs/hdf does not build properly on arm
 dev-perl/PDL	hdf
 
-# Michael Weber <xmw@g.o> (23 Aug 2013)
+# Michael Weber <xmw@g.o> (2013-08-23)
 # Unkeyworded deps
 media-gfx/fim graphicsmagick svg
 
-# Markus Meier <maekke@g.o> (04 Aug 2013)
+# Markus Meier <maekke@g.o> (2013-08-04)
 # Unkeyworded deps, bug #474026
 app-admin/conky lua-cairo lua-imlib xmms2 moc
 
-# Sergey Popov <pinkbyte@g.o> (30 Jul 2013)
+# Sergey Popov <pinkbyte@g.o> (2013-07-30)
 # Not tested
 media-libs/devil allegro nvtt
 
-# Andreas K. Huettel <dilfridge@g.o> (27 May 2013)
+# Andreas K. Huettel <dilfridge@g.o> (2013-05-27)
 # Firmware loader not keyworded yet
 sci-libs/linux-gpib firmware
 
-# Christoph Junghans <junghans@g.o> (29 Apr 2013)
+# Christoph Junghans <junghans@g.o> (2013-04-29)
 # MKL not available on this arch
 media-gfx/povray mkl
 
-# Benda Xu <heroxbd@g.o> (1 Apr 2013)
+# Benda Xu <heroxbd@g.o> (2013-04-01)
 # dev-ml/lablgtk not keyworded
 net-misc/unison gtk
 
-# Julian Ospald <hasufell@g.o> (31 Mar 2013)
+# Julian Ospald <hasufell@g.o> (2013-03-31)
 # depends on mono
 >=net-irc/hexchat-2.9.4-r1 theme-manager
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (20 Feb 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-02-20)
 # Mask flags of calligra and dependencies due to lack of keywords
 app-office/calligra spacenav
 media-gfx/pstoedit emf
 
-# Michał Górny <mgorny@g.o> (01 Feb 2013)
+# Michał Górny <mgorny@g.o> (2013-02-01)
 # virtual/cblas not keyworded on arm, bug #455050.
 dev-python/numpy lapack
 
-# Alexandre Rostovtsev <tetromino@g.o> (22 Jan 2013)
+# Alexandre Rostovtsev <tetromino@g.o> (2013-01-22)
 # remove mask if/when media-gfx/argyllcms is keywored here.
 x11-misc/colord extra-print-profiles
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # requires app-office/unoconv, which requires virtual/ooo, which is not
 # keyworded here. Remove mask if this situation changes.
 gnome-extra/sushi office
 
-# Alexandre Rostovtsev <tetromino@g.o> (30 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-30)
 # requires dev-util/bustle, which is written in haskell
 # remove mask if/when dev-lang/ghc is keywoded for arm
 dev-util/dbus-test-runner test
 
-# Alexandre Rostovtsev <tetromino@g.o> (27 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-27)
 # remove mask when >=app-editors/gedit-3.6 is keyworded here
 dev-util/devhelp gedit
 
-# Markus Meier <maekke@g.o> (25 Dez 2012)
+# Markus Meier <maekke@g.o> (2012-Dez-25)
 # unkeyworded deps for app-accessibility/speech-dispatcher
 app-accessibility/speech-dispatcher flite
 
-# Markus Meier <maekke@g.o> (08 Dec 2012)
+# Markus Meier <maekke@g.o> (2012-12-08)
 # mask app-office/libreoffice java extensions
 app-office/libreoffice libreoffice_extensions_scripting-beanshell libreoffice_extensions_scripting-javascript libreoffice_extensions_wiki-publisher
 
-# Alexandre Rostovtsev <tetromino@g.o> (12 Apr 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-04-12)
 # Temporary mask-in-base, unmask-in-arch for dev-python/mako keywording for
 # gobject-introspection[doctool], bug #411761
 dev-libs/gobject-introspection -doctool
 
-# Anthony G. Basile <blueness@g.o> (Dec 21, 2011)
+# Anthony G. Basile <blueness@g.o> (2011-12-21)
 # Mask the vde flag on tinc because net-misc/vde is not
 # keyworded for arm
 net-vpn/tinc vde
 
-# Tobias Klausmann <klausman@g.o> (02 Nov 2011)
+# Tobias Klausmann <klausman@g.o> (2011-11-02)
 # libpcre jit is not supported on alpha
 dev-libs/libpcre jit
 
-# Markus Meier <maekke@g.o> (05 Sep 2011)
+# Markus Meier <maekke@g.o> (2011-09-05)
 # unkeyworded deps for bug 379657 and bug 379651
 app-admin/packagekit-base entropy
 
-# Jim Ramsay <lack@g.o> (5 Nov 2008)
+# Jim Ramsay <lack@g.o> (2008-11-05)
 # app-admin/gkrellm may pull in net-libs/libntlm, which is not keyworded
 app-admin/gkrellm ntlm
 
@@ -525,6 +525,6 @@ dev-libs/boost mpi
 media-sound/sox ladspa
 media-plugins/gst-plugins-meta aac dts dv lame libvisual taglib vcd wavpack
 
-# Ian Whyman <thev00d00@g.o> (05 Sept 2017)
+# Ian Whyman <thev00d00@g.o> (2017-09-05)
 # missing keywords dev-lang/duktape media-libs/lastfmlib
 net-misc/gerbera javascript lastfm

diff --git a/profiles/arch/arm64/package.use.stable.mask b/profiles/arch/arm64/package.use.stable.mask
index d2b033d880a..ca0ef7b32ea 100644
--- a/profiles/arch/arm64/package.use.stable.mask
+++ b/profiles/arch/arm64/package.use.stable.mask
@@ -1,72 +1,72 @@
 # Copyright 1999-2019 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Aaron Bauman <bman@g.o> (27 May 2019)
+# Aaron Bauman <bman@g.o> (2019-05-27)
 # media-libs/dav1d is not stable
 ~media-video/vlc-3.0.6 dav1d
 
-# Aaron Bauman <bman@g.o> (20 May 2019)
+# Aaron Bauman <bman@g.o> (2019-05-20)
 # deps are not stable yet
 virtual/notification-daemon gnome kde
 
-# Aaron Bauman <bman@g.o> (15 May 2019)
+# Aaron Bauman <bman@g.o> (2019-05-15)
 # packages for these USE flags fail tests
 media-libs/opencv contrib_cvv contrib_hdf contrib_sfm glog gstreamer
 
-# Andreas Sturmlechner <asturm@g.o> (10 Feb 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-02-10)
 # kde-frameworks/kconfig is not stable for arm64
 net-libs/libproxy kde
 
-# Andreas Sturmlechner <asturm@g.o> (10 Feb 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-02-10)
 # kde-plasma/polkit-kde-agent is not stable for arm64
 sys-auth/polkit kde
 
-# Mart Raudsepp <leio@g.o> (18 Jan 2019)
+# Mart Raudsepp <leio@g.o> (2019-01-18)
 # Respective x11-drivers/ not tested and stable yet
 x11-base/xorg-drivers input_devices_elographics input_devices_joystick input_devices_void video_cards_dummy video_cards_fbdev video_cards_nouveau
 
-# Mart Raudsepp <leio@g.o> (11 Sep 2018)
+# Mart Raudsepp <leio@g.o> (2018-09-11)
 # net-wireless/bluez not stable yet
 dev-lang/python bluetooth
 
-# Mart Raudsepp <leio@g.o> (24 Jul 2018)
+# Mart Raudsepp <leio@g.o> (2018-07-24)
 # Temporary mask due to test failures in sys-libs/libcxxabi
 # and sys-libs/compiler-rt-sanitizers
 sys-devel/clang-runtime libcxx sanitize
 sys-devel/clang default-libcxx
 
-# Mart Raudsepp <leio@g.o> (28 Jun 2018)
+# Mart Raudsepp <leio@g.o> (2018-06-28)
 # net-misc/lksctp-tools not stable yet
 dev-libs/openssl sctp
 dev-libs/openssl-compat sctp
 net-misc/openssh sctp
 
-# Mart Raudsepp <leio@g.o> (30 May 2018)
+# Mart Raudsepp <leio@g.o> (2018-05-30)
 # app-text/docbook2X not stable yet, fails tests (bug #511902)
 dev-vcs/git doc
 
-# Mart Raudsepp <leio@g.o> (29 May 2018)
+# Mart Raudsepp <leio@g.o> (2018-05-29)
 # sys-devel/clang, dev-libs/xapian, app-text/texlive not stable yet
 # USE=doc requires USE=latex
 app-doc/doxygen clang doxysearch doc
 
-# Mart Raudsepp <leio@g.o> (29 May 2018)
+# Mart Raudsepp <leio@g.o> (2018-05-29)
 # virtual/opengl and media-libs/freeglut not stable yet
 media-libs/libwebp opengl
 
-# Mart Raudsepp <leio@g.o> (06 May 2018)
+# Mart Raudsepp <leio@g.o> (2018-05-06)
 # No media-libs/freeglut and co stable yet
 media-libs/jasper opengl
 
-# Mart Raudsepp <leio@g.o> (04 May 2018)
+# Mart Raudsepp <leio@g.o> (2018-05-04)
 # sci-libs/mpir fails tests, bug 640424
 dev-python/gmpy mpir
 
-# Michał Górny <mgorny@g.o> (01 May 2018)
+# Michał Górny <mgorny@g.o> (2018-05-01)
 # More non-stable dependencies.
 dev-python/urllib3 test
 
-# Michał Górny <mgorny@g.o> (15 Apr 2018)
+# Michał Górny <mgorny@g.o> (2018-04-15)
 # Non-stable dependencies.
 app-admin/syslog-ng spoof-source
 app-portage/layman cvs subversion test
@@ -79,15 +79,15 @@ sys-block/thin-provisioning-tools test
 sys-devel/distcc gssapi
 sys-devel/gettext cvs
 
-# Michał Górny <mgorny@g.o> (03 Mar 2018)
+# Michał Górny <mgorny@g.o> (2018-03-03)
 # Requires masked dependent flags.
 net-dns/avahi python
 
-# Michał Górny <mgorny@g.o> (28 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-28)
 # Requires masked dependent flags.
 net-fs/samba ads
 
-# Michał Górny <mgorny@g.o> (19 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-19)
 # Masked due to unstable deps.
 dev-db/redis tcmalloc
 dev-python/hgdistver test
@@ -98,6 +98,6 @@ dev-python/sphinx latex test
 dev-python/twisted-core gtk serial
 net-analyzer/netcat crypt
 
-# Michał Górny <mgorny@g.o> (07 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-07)
 # sys-libs/tevent is not stable here.
 dev-libs/libverto tevent

diff --git a/profiles/arch/arm64/use.mask b/profiles/arch/arm64/use.mask
index c0acbe59c7a..86c05b26172 100644
--- a/profiles/arch/arm64/use.mask
+++ b/profiles/arch/arm64/use.mask
@@ -26,12 +26,12 @@
 -neon
 -armvfp
 
-# Mart Raudsepp <leio@g.o> (07 Jan 2019)
+# Mart Raudsepp <leio@g.o> (2019-01-07)
 # Does not work on arm64 until dev-lang/luajit-2.1
 # https://github.com/LuaJIT/LuaJIT/issues/26
 luajit
 
-# Michał Górny <mgorny@g.o> (16 Jul 2018)
+# Michał Górny <mgorny@g.o> (2018-07-16)
 # Python 3.7 support requires fresh versions of packages which are stuck
 # at keywordreqs.
 # bug #661306: dev-python/pytest
@@ -39,36 +39,36 @@ luajit
 python_targets_python3_7
 python_single_target_python3_7
 
-# Michał Górny <mgorny@g.o> (09 Jul 2018)
+# Michał Górny <mgorny@g.o> (2018-07-09)
 # No OpenCL provider is available on arm64.
 opencl
 
-# Brian Evans <grknight@g.o> (02 Mar 2018)
+# Brian Evans <grknight@g.o> (2018-03-02)
 # dev-db/qdbm is net yet keyworded
 qdbm
 
-# Mart Raudsepp <leio@g.o> (13 Feb 2018)
+# Mart Raudsepp <leio@g.o> (2018-02-13)
 # net-libs/libsmi not tested on arm64 yet
 smi
 
-# Michał Górny <mgorny@g.o> (23 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-23)
 # sci-geosciences/gpsd is not keyworded here.
 gps
 
-# Mart Raudsepp <leio@g.o> (01 Feb 2017)
+# Mart Raudsepp <leio@g.o> (2017-02-01)
 # Unmask systemd since it is keyworded here.
 -systemd
 
-# Mart Raudsepp <leio@g.o> (28 Jan 2017)
+# Mart Raudsepp <leio@g.o> (2017-01-28)
 # dev-util/valgrind not tested on arm64 yet
 # Upstream seems to have architecture support, however
 valgrind
 
-# Markus Meier <maekke@g.o> (22 Aug 2010)
+# Markus Meier <maekke@g.o> (2010-08-22)
 # net-wireless/wimax not tested
 wimax
 
-# Kacper Kowalik <xarthisius@g.o> (9 Aug 2010)
+# Kacper Kowalik <xarthisius@g.o> (2010-08-09)
 # cblas-external as virtual/cblas is also masked
 cblas-external
 
@@ -168,7 +168,7 @@ vim-syntax
 # Unmask as Vivante is available for arm.
 -video_cards_vivante
 
-# 2006/02/05 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-02-05)
 # Modular X: mask for architectures on which they aren't available
 video_cards_glint
 video_cards_mga
@@ -186,10 +186,10 @@ video_cards_r600
 video_cards_radeonsi
 
 # USE=audit masked prior to testing on alpha, arm, hppa, ppc64, s390, sh.
-# Bug #184563, 18 Sep 2007
+# Bug #184563, (2007-09-18)
 # Robin H. Johnson <robbat2@g.o>
 audit
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # media-libs/xine-lib is not keyworded
 xine

diff --git a/profiles/arch/arm64/use.stable.mask b/profiles/arch/arm64/use.stable.mask
index ba6ecb3233e..d99f15b0806 100644
--- a/profiles/arch/arm64/use.stable.mask
+++ b/profiles/arch/arm64/use.stable.mask
@@ -4,39 +4,39 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
-# Aaron Bauman <bman@g.o> (20 May 2019)
+# Aaron Bauman <bman@g.o> (2019-05-20)
 # Does not build on arm64
 ocamlopt
 
-# Andreas Sturmlechner <asturm@g.o> (20 Apr 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-04-20)
 # sys-auth/consolekit will not be stabilised anymore.
 consolekit
 
-# Mart Raudsepp <leio@g.o> (07 Feb 2019)
+# Mart Raudsepp <leio@g.o> (2019-02-07)
 # media-sound/musepack-tools not stable yet
 musepack
 
-# Mart Raudsepp <leio@g.o> (07 Feb 2019)
+# Mart Raudsepp <leio@g.o> (2019-02-07)
 # media-libs/portaudio not stable yet
 portaudio
 
-# Mart Raudsepp <leio@g.o> (27 Nov 2018)
+# Mart Raudsepp <leio@g.o> (2018-11-27)
 # x11-libs/fltk not stable yet
 fltk
 
-# Mike Gilbert <floppym@g.o> (08 Jun 2017)
+# Mike Gilbert <floppym@g.o> (2017-06-08)
 # dev-lang/python:3.7 is not stable.
 python_targets_python3_7
 python_single_target_python3_7
 
-# Michał Górny <mgorny@g.o> (19 Feb 2018)
+# Michał Górny <mgorny@g.o> (2018-02-19)
 # dev-lang/tk is not stable here.
 tk
 
-# Mart Raudsepp <leio@g.o> (04 Feb 2017)
+# Mart Raudsepp <leio@g.o> (2017-02-04)
 # dev-vcs/subversion not marked stable yet
 subversion
 
-# Mart Raudsepp <leio@g.o> (28 Jan 2017)
+# Mart Raudsepp <leio@g.o> (2017-01-28)
 # sys-auth/skey not marked stable yet
 skey

diff --git a/profiles/arch/base/package.use.mask b/profiles/arch/base/package.use.mask
index 4b4ee6982e9..32d1113a65e 100644
--- a/profiles/arch/base/package.use.mask
+++ b/profiles/arch/base/package.use.mask
@@ -1,264 +1,264 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Georgy Yakovlev <gyakovlev@g.o> (22 Jun 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-06-22)
 # mask javafx until it's keyworded on other arches
 dev-java/openjdk:11 javafx
 
-# Matt Turner <mattst88@g.o> (20 Jun 2019)
+# Matt Turner <mattst88@g.o> (2019-06-20)
 # dev-lang/spidermonkey:60[jit] fails to build on most platforms
 >=dev-lang/spidermonkey-60 jit
 
-# Andreas Sturmlechner <asturm@g.o> (09 May 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-05-09)
 # media-libs/libplacebo is not keyworded anywhere except amd64 yet
 media-video/vlc libplacebo
 
-# Denis Lisov <dennis.lissov@×××××.com> (09 May 2019)
+# Denis Lisov <dennis.lissov@×××××.com> (2019-05-09)
 # Overlay can only be built on amd64 and x86
 x11-apps/igt-gpu-tools overlay
 
-# Thomas Deutschmann <whissi@g.o> (15 Nov 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-11-15)
 # - rdrand plugin is only supported on amd64 and x86
 # - padlock plugin is only supported on amd64 and x86
 net-vpn/strongswan strongswan_plugins_rdrand strongswan_plugins_padlock
 
-# James Le Cuirot <chewi@g.o> (02 Nov 2018)
+# James Le Cuirot <chewi@g.o> (2018-11-02)
 # Vulkan is only available on amd64 at present.
 media-libs/libsdl2 vulkan
 
-# Michael Palimaka <kensington@g.o> (12 Oct 2018)
+# Michael Palimaka <kensington@g.o> (2018-10-12)
 # Only available on amd64/x86
 net-analyzer/testssl bundled-openssl kerberos
 
-# Thomas Deutschmann <whissi@g.o> (30 Sep 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-09-30)
 # Requires media-libs/libheif which is only keyworded for amd64 and x86
 media-gfx/imagemagick heif
 
-# Ben Kohler <bkohler@g.o> (23 Aug 2018)
+# Ben Kohler <bkohler@g.o> (2018-08-23)
 # Mask iwd support until net-wireless/iwd is keyworded
 net-misc/connman iwd
 net-misc/networkmanager iwd
 
-# Rick Farina <zerochaos@g.o> (27 Jun 2018)
+# Rick Farina <zerochaos@g.o> (2018-06-27)
 # Catalyst only has support for assembling bootloader on some arches
 dev-util/catalyst system-bootloader
 
-# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (17 Jun 2018)
+# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (2018-06-17)
 # Vulkan support is only available on few selected arches atm.
 # Mask everywhere, unmask where appropriate.
 media-video/mpv vulkan
 
-# Nick Sarnie <sarnex@g.o> (29 Apr 2018)
+# Nick Sarnie <sarnex@g.o> (2018-04-29)
 # media-libs/vulkan-loader and app-emulation/vkd3d are not available everywhere
 app-emulation/wine-any vkd3d vulkan
 app-emulation/wine-d3d9 vkd3d vulkan
 app-emulation/wine-staging vkd3d vulkan
 app-emulation/wine-vanilla vkd3d vulkan
 
-# Richard Yao <ryao@g.o> (16 Apr 2018)
+# Richard Yao <ryao@g.o> (2018-04-16)
 # sys-fs/zfs is not available everywhere.
 sys-cluster/ceph zfs
 
-# Michał Górny <mgorny@g.o> (30 Dec 2017)
+# Michał Górny <mgorny@g.o> (2017-12-30)
 # Moved from use.mask since it is a flag local to one package:
-# Joseph Jezak <josejx@g.o> (11 Mar 2007)
+# Joseph Jezak <josejx@g.o> (2007-03-11)
 # Only for x86 and amd64 (in pbbuttonsd)
 app-laptop/pbbuttonsd macbook
 
-# Amy Liffey <amynka@g.o> (19 Sep 2017)
+# Amy Liffey <amynka@g.o> (2017-09-19)
 # Requires [cuda] which is masked in most of the profiles.
 media-libs/opencv contrib_xfeatures2d
 
-# Rick Farina <zerochaos@g.o> (11 May 2017)
+# Rick Farina <zerochaos@g.o> (2017-05-11)
 # the needed deps are amd64/x86 only
 net-analyzer/metasploit nexpose openvas
 
-# Thomas Deutschmann <whissi@g.o> (01 Mar 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-03-01)
 # dev-libs/libmaxminddb is only keyworded on amd64 and x86 at the moment
 app-admin/rsyslog mdblookup
 
-# Alexis Ballier <aballier@g.o> (21 Feb 2017)
+# Alexis Ballier <aballier@g.o> (2017-02-21)
 # spacetime is only supported on amd64 at the moment.
 # https://caml.inria.fr/pub/docs/manual-ocaml/spacetime.html
 dev-lang/ocaml spacetime
 
-# Alexis Ballier <aballier@g.o> (31 Jan 2017)
+# Alexis Ballier <aballier@g.o> (2017-01-31)
 # nvenc requires nvidia drivers, apply same mask logic
 media-video/ffmpeg nvenc
 
-# Thomas Deutschmann <whissi@g.o> (30 Jan 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-01-30)
 # media-libs/raspberrypi-userland not keyworded
 media-video/motion mmal
 
-# Luke Dashjr <luke-jr+gentoobugs@×××××××.org> (04 Jan 2017)
+# Luke Dashjr <luke-jr+gentoobugs@×××××××.org> (2017-01-04)
 # Mask assembly optimisations that are platform-specific
 dev-libs/libsecp256k1 asm
 
-# Ettore Di Giacinto <mudler@g.o> (18 Oct 2016)
+# Ettore Di Giacinto <mudler@g.o> (2016-10-18)
 # Enable gambit and scm only on supported arches
 >=dev-scheme/slib-3.2.5 gambit scm
 
-# Thomas Deutschmann <whissi@g.o> (22 Sep 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-09-22)
 # Dependency is only keyworded on amd64 and x86
 app-metrics/collectd collectd_plugins_mqtt
 
-# Thomas Deutschmann <whissi@g.o> (26 Aug 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-08-26)
 # It's only supported on amd64, ia64, powerpc and x86
 dev-db/mysql numa
 dev-db/percona-server numa
 
-# Brian Evans <grknight@g.o> (23 Aug 2016)
+# Brian Evans <grknight@g.o> (2016-08-23)
 # It's only supported on amd64
 dev-db/percona-server tokudb tokudb-backup-plugin
 
-# Brian Evans <grknight@g.o> (18 Aug 2016)
+# Brian Evans <grknight@g.o> (2016-08-18)
 # Mask jdbc as most arches don't support java
 dev-db/mariadb jdbc
 
-# James Le Cuirot <chewi@g.o> (26 Jul 2016)
+# James Le Cuirot <chewi@g.o> (2016-07-26)
 # Only available on some architectures.
 dev-java/icedtea shenandoah
 
-# Mike Gilbert <floppym@g.o> (23 Jun 2016)
+# Mike Gilbert <floppym@g.o> (2016-06-23)
 # This flag only has meaning on amd64
 sys-boot/grub:2 grub_platforms_xen-32
 
-# Ian Delaney <idella4@g.o> (06 Apr 2016)
+# Ian Delaney <idella4@g.o> (2016-04-06)
 # on behalf of Ilya Tumaykin <itumaykin+gentoo@×××××.com>
 # Raspberry Pi support is only available on arm.
 # Mask raspberry-pi USE globally, unmask on arm.
 media-video/mpv raspberry-pi
 
-# Alexis Ballier <aballier@g.o> (14 Nov 2015)
+# Alexis Ballier <aballier@g.o> (2015-11-14)
 # MMAL is only available on the Raspberry Pi:
 # Mask it globally, unmask it on arm.
 media-video/ffmpeg mmal
 
-# Nathan Phillip Brink <binki@g.o> (26 Sep 2015)
+# Nathan Phillip Brink <binki@g.o> (2015-09-26)
 # git useflag requires dev-libs/libgit2 which few arches support
 dev-util/geany-plugins git
 
-# Brian Evans <grknight@g.o (14 Sep 2015)
+# Brian Evans <grknight@g.o (2015-09-14)
 # Mask new USE flags for mariadb which all arches do not yet have dependencies
 >=dev-db/mariadb-10.1.0 mroonga sst-xtrabackup galera
 
-# Mike Gilbert <floppym@g.o> (05 Sep 2015)
+# Mike Gilbert <floppym@g.o> (2015-09-05)
 # sys-boot/gnu-efi is not supported on all archs.
 sys-apps/systemd gnuefi
 
-# James Le Cuirot <chewi@g.o> (29 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-29)
 # JavaFX and the browser plugin are not included on some platforms.
 dev-java/oracle-jdk-bin javafx nsplugin
 dev-java/oracle-jre-bin javafx nsplugin
 
-# Ben de Groot <yngwin@g.o> (15 Mar 2015)
+# Ben de Groot <yngwin@g.o> (2015-03-15)
 # Mask bdplus support and unmask on arches where libbdplus is keyworded.
 media-libs/libbluray bdplus
 
-# Michał Górny <mgorny@g.o> (01 Mar 2015)
+# Michał Górny <mgorny@g.o> (2015-03-01)
 # pidgin-opensteamworks is only available for amd64, ppc32 and x86
 net-im/telepathy-connection-managers steam
 
-# Ben de Groot <yngwin@g.o> (07 Feb 2015)
+# Ben de Groot <yngwin@g.o> (2015-02-07)
 # Mask for all arches, can be unmasked on arm once keyworded there
 games-board/stockfish armv7
 
-# Mike Frysinger <vapier@g.o> (04 Aug 2014)
+# Mike Frysinger <vapier@g.o> (2014-08-04)
 # Mask flashrom drivers that only work on x86 due to in/out asm insns #454024
 sys-apps/flashrom atahpt nic3com nicnatsemi nicrealtek rayer_spi satamv
 
-# Jorge Manuel B. S. Vicetto <jmbsvicetto@g.o> (24 Apr 2014)
+# Jorge Manuel B. S. Vicetto <jmbsvicetto@g.o> (2014-04-24)
 # It's only supported on amd64
 dev-db/mariadb tokudb
 
-# Lars Wendler <polynomial-c@g.o> (23 Apr 2014)
+# Lars Wendler <polynomial-c@g.o> (2014-04-23)
 # Not working on 64bit systems
 media-sound/lmms vst
 
-# Alexey Shvetsov <alexxy@g.o> (16 Apr 2014)
+# Alexey Shvetsov <alexxy@g.o> (2014-04-16)
 # libehca only works on ppc*
 sys-fabric/ofed ofed_drivers_ehca
 
-# Andreas K. Huettel <dilfridge@g.o> (4 Jan 2014)
+# Andreas K. Huettel <dilfridge@g.o> (2014-01-04)
 # Mask until dependencies are keyworded (bug 497068)
 dev-vcs/git mediawiki mediawiki-experimental
 
-# Sergey Popov <pinkbyte@g.o> (27 Dec 2013)
+# Sergey Popov <pinkbyte@g.o> (2013-12-27)
 # Mask because Boost.Context library does not work on most of arches
 dev-libs/boost context
 
-# Tim Harder <radhermit@g.o> (13 Aug 2013)
+# Tim Harder <radhermit@g.o> (2013-08-13)
 # Related deps dev-lang/luajit and dev-scheme/racket are not keyworded by most arches.
 app-editors/vim luajit racket
 app-editors/gvim luajit racket
 
-# Kacper Kowalik <xarthisius@g.o> (09 Aug 2013)
+# Kacper Kowalik <xarthisius@g.o> (2013-08-09)
 # Doesn't work on most profiles. Easier to mask here and
 # unmask in particular profiles
 sys-apps/hwloc gl
 
-# Christoph Junghans <junghans@g.o> (26 Dec 2012)
+# Christoph Junghans <junghans@g.o> (2012-12-26)
 # mkl only works on x86/amd64
 sci-chemistry/gromacs mkl
 
-# Diego Elio Pettenò <flameeyes@g.o> (3 Nov 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-11-03)
 # Requires net-dns/unbound which is not keyworded by most arches
 net-libs/gnutls dane
 
-# Ben de Groot <yngwin@g.o> (30 Jul 2012)
+# Ben de Groot <yngwin@g.o> (2012-07-30)
 # fontconfig-infinality dependency not yet keyworded on most arches
 media-libs/freetype infinality
 
-# Mike Gilbert <floppym@g.o> (29 Jun 2012)
+# Mike Gilbert <floppym@g.o> (2012-06-29)
 # sys-fs/zfs is not available everywhere.
 sys-boot/grub libzfs
 
-# Michał Górny <mgorny@g.o> (11 Apr 2012)
+# Michał Górny <mgorny@g.o> (2012-04-11)
 # JIT compilation in libzpaq generates code for x86/amd64.
 app-arch/zpaq jit
 
-# Arun Raghavan <ford_prefect@g.o> (28 Mar 2012)
+# Arun Raghavan <ford_prefect@g.o> (2012-03-28)
 # webrtc-audio-processing is only supported on x86/amd64. Possibly arm can be
 # added.
 media-sound/pulseaudio webrtc-aec
 
-# Christoph Junghans <junghans@g.o> (04 Feb 2012)
+# Christoph Junghans <junghans@g.o> (2012-02-04)
 # mips only use flags
 >=sci-libs/fftw-3 zbus
 
-# Samuli Suominen <ssuominen@g.o> (06 Dec 2011)
+# Samuli Suominen <ssuominen@g.o> (2011-12-06)
 # NuppelVideo is available on x86 only
 media-video/transcode nuv pic
 
-# Davide Pesavento <pesa@g.o> (30 Nov 2011)
+# Davide Pesavento <pesa@g.o> (2011-11-30)
 # The QML (V4) and JSC JITs are supported only on amd64/arm/x86, so
 # mask the flag here and unmask it in the appropriate arch profiles.
 dev-qt/qtdeclarative jit
 dev-qt/qtscript jit
 dev-qt/qtwebkit jit
 
-# Samuli Suominen <ssuominen@g.o> (25 Nov 2011)
+# Samuli Suominen <ssuominen@g.o> (2011-11-25)
 # Expose USE="suid" for USE="svga" only for x86 users,
 # see arch/x86/package.use.mask
 www-client/links suid
 
-# Robin H. Johnson <robbat2@g.o> (10 Jul 2011)
+# Robin H. Johnson <robbat2@g.o> (2011-07-10)
 # PPS should work on all arches, but only keyworded on amd64/x86
 >=net-misc/ntp-4.2.6_p3-r1 parse-clocks
 
-# Tomáš Chvátal <scarabeus@g.o> (4 Apr 2010)
+# Tomáš Chvátal <scarabeus@g.o> (2010-04-04)
 # Masked because tools pulled in are not supported on most archs.
 sys-power/pm-utils video_cards_intel video_cards_radeon
 
-# Jean-Noël Rivasseau <elvanor@g.o> (23 Sep 2009)
+# Jean-Noël Rivasseau <elvanor@g.o> (2009-09-23)
 # X use flag only for amd64/x86, bug 285951.
 media-gfx/iscan X
 
-# Raúl Porcel <armin76@g.o> (09 Nov 2008)
+# Raúl Porcel <armin76@g.o> (2008-11-09)
 # CPU opts: This needs amd64, x86 and ppc on some of them
 # dvdnav: hard masked dependency
 media-video/mplayer cpudetection
 
-# Ian Whyman <thev00d00@g.o> (22 May 2016)
+# Ian Whyman <thev00d00@g.o> (2016-05-22)
 # Mask raspberry-pi except on arm.
 dev-libs/libcec raspberry-pi

diff --git a/profiles/arch/base/use.force b/profiles/arch/base/use.force
index 7f213b9dd01..30802cd5b3c 100644
--- a/profiles/arch/base/use.force
+++ b/profiles/arch/base/use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (29 Jun 2017)
+# James Le Cuirot <chewi@g.o> (2017-06-29)
 # Forced and masked by default. Unmask where necessary.
 big-endian

diff --git a/profiles/arch/base/use.mask b/profiles/arch/base/use.mask
index 67f844eba9a..07690141aff 100644
--- a/profiles/arch/base/use.mask
+++ b/profiles/arch/base/use.mask
@@ -1,15 +1,15 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (29 Jun 2017)
+# James Le Cuirot <chewi@g.o> (2017-06-29)
 # Forced and masked by default. Unmask where necessary.
 big-endian
 
-# Sven Wegener <swegener@g.o> (31 May 2017)
+# Sven Wegener <swegener@g.o> (2017-05-31)
 # libvirt is only supported on specific architectures
 libvirt
 
-# Michael Orlitzky <mjo@g.o> (7 Jan 2017)
+# Michael Orlitzky <mjo@g.o> (2017-01-07)
 # The dev-db/firebird and dev-db/oracle-instantclient* packages
 # only support amd64 and x86.
 firebird
@@ -152,34 +152,34 @@ video_cards_qxl
 input_devices_synaptics
 input_devices_wacom
 
-# Robert Buchholz <rbu@g.o> (03 Jun 2007)
+# Robert Buchholz <rbu@g.o> (2007-06-03)
 # Only works on x86 or amd64
 lcd_devices_svga
 lcd_devices_luise
 
-# George Shapovalov <george@g.o> (8 Apr 2007)
+# George Shapovalov <george@g.o> (2007-04-08)
 # Ada is supported only on x86, amd64 and ppc at present
 ada
 
-# Alex Legler <a3li@g.o> (7 Dec 2009)
+# Alex Legler <a3li@g.o> (2009-12-07)
 # Rubinius is whitelisted on supported arches
 ruby_targets_rbx
 
-# Samuli Suominen <ssuominen@g.o> (03 Oct 2011)
+# Samuli Suominen <ssuominen@g.o> (2011-10-03)
 # RealMagic Hollywood+/Creative DXR3 support
 # Still using obsolete V4L1 wrt bug 350211
 # If fixed, should be unmasked in amd64/x86/ppc32 use.mask
 dxr3
 
-# Diego Elio Pettenò <flameeyes@g.o> (21 Aug 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-08-21)
 # IPMI is only implemented for x86, amd64 and ia64
 ipmi
 
-# Alexandre Rostovtsev <tetromino@g.o> (09 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-09)
 # dev-lang/orc is useful only for some specific arches (amd64/x86/arm/...)
 orc
 
-# Mike Gilbert <floppym@g.o> (02 Jan 2013)
+# Mike Gilbert <floppym@g.o> (2013-01-02)
 # PyPy is unkeyworded on most arches. If you are running amd64 or x86,
 # please switch to one of the testing 13.0 profiles to get it.
 python_targets_pypy
@@ -187,12 +187,12 @@ python_single_target_pypy
 python_targets_pypy3
 python_single_target_pypy3
 
-# Michał Górny <mgorny@g.o> (26 Jan 2013)
+# Michał Górny <mgorny@g.o> (2013-01-26)
 # Mask the multilib flags globally. Unmasked in specific arches.
 abi_x86_32
 abi_x86_64
 abi_x86_x32
-# Matt Turner <mattst88@g.o> (29 Jul 2013)
+# Matt Turner <mattst88@g.o> (2013-07-29)
 abi_mips_o32
 abi_mips_n32
 abi_mips_n64
@@ -203,7 +203,7 @@ abi_riscv_lp64
 abi_s390_32
 abi_s390_64
 
-# Andrey Grozin <grozin@g.o> (25 Jun 2014)
+# Andrey Grozin <grozin@g.o> (2014-06-25)
 # These lisps are available only on some arches
 clisp
 clozurecl
@@ -212,12 +212,12 @@ ecls
 gcl
 sbcl
 
-# Michał Górny <mgorny@g.o> (4 May 2013)
+# Michał Górny <mgorny@g.o> (2013-05-04)
 # Mask systemd flag globally, unmasked on arches on which systemd
 # is keyworded.
 systemd
 
-# Mike Gilbert <floppym@g.o> (19 Oct 2014)
+# Mike Gilbert <floppym@g.o> (2014-10-19)
 # sys-libs/libapparmor
 apparmor
 

diff --git a/profiles/arch/hppa/make.defaults b/profiles/arch/hppa/make.defaults
index 0a3820884b6..e25a2f2759a 100644
--- a/profiles/arch/hppa/make.defaults
+++ b/profiles/arch/hppa/make.defaults
@@ -12,7 +12,7 @@ FEATURES="sandbox sfperms strict"
 
 USE="cups foomaticdb fortran gdbm gpm imlib libwww spell firefox"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Set ABI & DEFAULT_ABI consistently with ${ARCH}, to make ebuild
 # checks simpler.
 ABI="hppa"
@@ -21,6 +21,6 @@ MULTILIB_ABIS="hppa"
 LIBDIR_hppa="lib"
 CHOST_hppa="${CHOST}"
 
-# 2006/08/18 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-08-18)
 # Defaults for video drivers
 VIDEO_CARDS="fbdev"

diff --git a/profiles/arch/hppa/package.use.mask b/profiles/arch/hppa/package.use.mask
index 007e8c6841d..ea54b63a0b5 100644
--- a/profiles/arch/hppa/package.use.mask
+++ b/profiles/arch/hppa/package.use.mask
@@ -4,214 +4,214 @@
 # NOTE: When masking a USE flag due to missing keywords, please file a keyword
 # request bug for the hppa arch.
 
-# Sergei Trofimovich <slyfox@g.o> (25 May 2019)
+# Sergei Trofimovich <slyfox@g.o> (2019-05-25)
 # libgo needs an explicit port to hppa: bug #686624
 sys-devel/gcc go
 
-# Jeroen Roovers (jer@g.o) (22 Mar 2018)
+# Jeroen Roovers (jer@g.o) (2018-03-22)
 # HiPE does not work on HPPA
 dev-lang/erlang hipe
 
-# Thomas Deutschmann <whissi@g.o> (04 Jul 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-07-04)
 # dev-libs/xxhash not keyworded for hppa
 app-admin/rsyslog xxhash
 
-# Jeroen Roovers (jer@g.o) (22 Mar 2018)
+# Jeroen Roovers (jer@g.o) (2018-03-22)
 # dev-ruby/capybara depends on www-client/firefox which has not been ported to
 # HPPA
 dev-ruby/capybara test
 
-# Jeroen Roovers (jer@g.o) (22 Mar 2018)
+# Jeroen Roovers (jer@g.o) (2018-03-22)
 # dev-ruby/haml depends on dev-ruby/action* which lost their keywords, so that
 # kills the fun
 dev-ruby/haml test
 
-# Jeroen Roovers (jer@g.o) (22 Mar 2018)
+# Jeroen Roovers (jer@g.o) (2018-03-22)
 # dev-ruby/tilt requires dev-ruby/coffee-script which requires net-libs/nodejs
 # which has not been ported to HPPA
 dev-ruby/tilt test
 
-# Andreas K. Hüttel <dilfridge@g.o> (4 Oct 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-10-04)
 # -fstack-protector is not supported for hppa, bug 630702
 >=sys-devel/gcc-6.0 ssp
 
-# Michael Palimaka <kensington@g.o> (30 Sep 2017)
+# Michael Palimaka <kensington@g.o> (2017-09-30)
 # Required dependencies are not keyworded.
 x11-themes/qtcurve plasma
 
-# Andreas K. Hüttel <dilfridge@g.o> (11 Sep 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-09-11)
 # Systemtap has no hppa keywords
 sys-libs/glibc systemtap
 
-# Göktürk Yüksek <gokturk@g.o> (15 Aug 2017)
+# Göktürk Yüksek <gokturk@g.o> (2017-08-15)
 # Requires java
 app-forensics/sleuthkit java
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Required VIDEO_CARDS=i965/radeonsi, both masked in this profile.
 media-libs/mesa vulkan vulkan-overlay
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=redis that is masked in this profile.
 dev-python/pyzor test
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=systemd that is masked in this profile.
 net-wireless/bluez user-session
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=seccomp that is masked in this profile.
 net-libs/gnutls test-full
 
-# Robin H. Johnson <robbat2@g.o> (05 Aug 2017)
+# Robin H. Johnson <robbat2@g.o> (2017-08-05)
 # Upstream Git is switching to PCRE2 w/ JIT.
 # This is not available on some arches, where a fallback to PCRE1 without JIT is used.
 dev-vcs/git pcre-jit
 
-# Michał Górny <mgorny@g.o> (28 Jun 2017)
+# Michał Górny <mgorny@g.o> (2017-06-28)
 # app-misc/dtach is not keyworded, and tests are restricted anyway, so
 # no point in pursuing it right now.
 app-shells/bash-completion test
 
-# Jeroen Roovers <jer@g.o> (4 Feb 2017)
+# Jeroen Roovers <jer@g.o> (2017-02-04)
 # media-libs/libilbc has not been ported to HPPA
 # media-libs/zimg triggers a toolchain issue (bug #597152)
 # sofalizer needs sci-libs/netcdf and sci-libs/hdf5 (bug #615510)
 media-video/ffmpeg libilbc sofalizer zimg
 
-# Jeroen Roovers <jer@g.o> (3 Feb 2017)
+# Jeroen Roovers <jer@g.o> (2017-02-03)
 # net-mail/notmuch is not keyworded
 mail-client/mutt notmuch
 
-# Justin Lecher <jlec@g.o> (15 Jan 2017)
+# Justin Lecher <jlec@g.o> (2017-01-15)
 # unkeyworded rev deps
 dev-games/openscenegraph gdal las
 
-# Jeroen Roovers <jer@g.o> (28 Dec 2016)
+# Jeroen Roovers <jer@g.o> (2016-12-28)
 # "#error Unsupported architecture"
 dev-libs/libpcre2 jit
 
-# Jeroen Roovers <jer@g.o> (31 May 2016)
+# Jeroen Roovers <jer@g.o> (2016-05-31)
 # Mask kde-frameworks/kapidox (bug #568972)
 kde-frameworks/extra-cmake-modules doc
 
-# Jeroen Roovers <jer@g.o> (19 May 2016)
+# Jeroen Roovers <jer@g.o> (2016-05-19)
 # pulls in many dev-ruby/asciidoctor dependencies (bug #583390)
 net-misc/chrony html
 
-# Jeroen Roovers <jer@g.o> (16 Aug 2015)
+# Jeroen Roovers <jer@g.o> (2015-08-16)
 # Bundles luajit which has not been ported to HPPA (bug #554376)
 app-text/texlive-core luajittex
 dev-texlive/texlive-basic luajittex
 
-# Jeroen Roovers <jer@g.o> (3 Jul 2015)
+# Jeroen Roovers <jer@g.o> (2015-07-03)
 # net-libs/nghttp2 fails to compile (bug #552898)
 net-libs/nghttp2 cxx
 
-# Jeroen Roovers <jer@g.o> (17 May 2015)
+# Jeroen Roovers <jer@g.o> (2015-05-17)
 # Mask USE=rados for net-analyzer/rrdtool since sys-cluster/ceph is not
 # keyworded (bug #549516)
 net-analyzer/rrdtool rados
 
-# Jeroen Roovers <jer@g.o> (26 Apr 2015)
+# Jeroen Roovers <jer@g.o> (2015-04-26)
 # Contact us if you want or have an HPPA cluster with dev-db/mariadb
 # (bug #544378)
 dev-db/mariadb galera
 
-# Mike Frysinger <vapier@g.o> (16 Mar 2015)
+# Mike Frysinger <vapier@g.o> (2015-03-16)
 # Needs sci-physics/bullet tested #499974
 dev-libs/efl physics
 
-# Jeroen Roovers <jer@g.o> (2 Feb 2015)
+# Jeroen Roovers <jer@g.o> (2015-02-02)
 # dev-python/gevent requires dev-python/greenlet which has not been ported to
 # HPPA (bug #538510)
 dev-python/pyzor gevent
 
-# Jeroen Roovers <jer@g.o> (19 Oct 2014)
+# Jeroen Roovers <jer@g.o> (2014-10-19)
 # requires dev-python/restkit which requires
 # dev-python/socketpool which requires dev-python/gevent which requires
 # dev-python/greenlet which has not been ported to HPPA (bug #525246)
 dev-python/wsgiproxy2 test
 
-# Jeroen Roovers <jer@g.o> (29 Jul 2014)
+# Jeroen Roovers <jer@g.o> (2014-07-29)
 # Test phase requires dev-db/mongodb which requires dev-util/google-perftools
 # which has not been ported to HPPA (bug #517880, bug #525246)
 dev-libs/mongo-c-driver test
 dev-python/pymongo test
 
-# Jeroen Roovers <jer@g.o> (6 Mar 2014)
+# Jeroen Roovers <jer@g.o> (2014-03-06)
 # USE=gui requires x11-libs/qscintilla,
 sci-mathematics/octave gui
 
-# Julian Ospald <hasufell@g.o> (23 Nov 2013)
+# Julian Ospald <hasufell@g.o> (2013-11-23)
 # needs app-arch/innoextract (bug #492326)
 games-fps/duke3d-data gog
 
-# Jeroen Roovers <jer@g.o> (23 Jul 2013)
+# Jeroen Roovers <jer@g.o> (2013-07-23)
 # graphite is not implemented on HPPA
 sys-devel/gcc graphite
 
-# Julian Ospald <hasufell@g.o> (31 Mar 2013)
+# Julian Ospald <hasufell@g.o> (2013-03-31)
 # depends on mono
 >=net-irc/hexchat-2.9.4-r1 theme-manager
 
-# Jeroen Roovers <jer@g.o> (22 Jan 2013)
+# Jeroen Roovers <jer@g.o> (2013-01-22)
 # dev-python/greenlet has not been ported to HPPA but is needed for
 # dev-python/restkit which is needed for dev-python/pyquery's test phase
 # (bug #452764)
 dev-python/pyquery test
 
-# Jeroen Roovers <jer@g.o> (2 Jan 2013)
+# Jeroen Roovers <jer@g.o> (2013-01-02)
 # Mask non-keyworded sci-libs/hdf5 for sci-mathematics/octave
 sci-mathematics/octave hdf5 qhull
 
-# Jeroen Roovers <jer@g.o> (8 Jul 2012)
+# Jeroen Roovers <jer@g.o> (2012-07-08)
 # media-libs/devil has not been fully tested on HPPA
 media-gfx/graphviz devil
 
-# Jeroen Roovers <jer@g.o> (3 Jul 2012)
+# Jeroen Roovers <jer@g.o> (2012-07-03)
 # Mask USE=connman for net-libs/gupnp (bug #424225)
 net-libs/gupnp connman
 
-# Jeroen Roovers <jer@g.o> (21 May 2012)
+# Jeroen Roovers <jer@g.o> (2012-05-21)
 # HPPA is an unsupported architecture
 dev-libs/libpcre jit
 
-# Arun Raghavan <ford_prefect@g.o> (24 May 2012)
+# Arun Raghavan <ford_prefect@g.o> (2012-05-24)
 # media-sound/pulseaudio needs PyQt5[dbus] for making the equalizer module
 # usable. Mask until this is available.
-# Jeroen Roovers <jer@g.o> (18 Feb 2014)
+# Jeroen Roovers <jer@g.o> (2014-02-18)
 # OSS is the only kernel audio interface that works on HPPA
 media-sound/pulseaudio equalizer -oss
 
-# Jeroen Roovers <jer@g.o> (21 May 2012)
+# Jeroen Roovers <jer@g.o> (2012-05-21)
 # media-sound/lilypond has problems running mpost (bug #416961)
 app-text/asciidoc test
 
-# Jeroen Roovers <jer@g.o> (19 Apr 2012)
+# Jeroen Roovers <jer@g.o> (2012-04-19)
 # Requires sys-power/upower or sys-power/upower-pm-utils which are
 # not much use on HPPA
 xfce-extra/xfce4-systemload-plugin upower
 xfce-base/xfce4-session upower
 xfce-base/xfce4-settings upower
 
-# Jeroen Roovers <jer@g.o> (25 Oct 2011)
+# Jeroen Roovers <jer@g.o> (2011-10-25)
 # Depends upon an as yet unsupported version of dev-libs/dietlibc
 dev-libs/libowfat diet
 
-# Jeroen Roovers <jer@g.o> (5 Jun 2011)
+# Jeroen Roovers <jer@g.o> (2011-06-05)
 # app-office/gnumeric is not keyworded (bug #367513)
 app-office/lyx gnumeric
 
-# Jeroen Roovers <jer@g.o> (24 Feb 2011)
+# Jeroen Roovers <jer@g.o> (2011-02-24)
 # Needs Java (bug #355353)
 app-text/texlive pdfannotextractor
 
-# Justin Lecher <jlec@g.o> (13 Aug 2010)
+# Justin Lecher <jlec@g.o> (2010-08-13)
 # MKL not available on this arch
 media-gfx/povray mkl
 
-# Pacho Ramos <pacho@g.o> (11 Jul 2010)
+# Pacho Ramos <pacho@g.o> (2010-07-11)
 # Mask due bug #324511, this will be general once needed by more packages.
 net-im/pidgin gstreamer
 x11-misc/xscreensaver gdm new-login
@@ -219,20 +219,20 @@ x11-libs/wxGTK gstreamer
 net-p2p/mldonkey guionly gtk
 net-im/pidgin eds
 
-# Jeroen Roovers <jer@g.o> (15 Apr 2008)
+# Jeroen Roovers <jer@g.o> (2008-04-15)
 # media-sound/fluidsynth fails to build with stable libtool, so it can't be
 # tested for ~hppa keywording right now
 media-sound/mpd fluidsynth
 
-# Jeroen Roovers <jer@g.o> (16 Sep 2008)
+# Jeroen Roovers <jer@g.o> (2008-09-16)
 # cpudetection and custom-cpuopts does not apply
 # to HPPA (bug #234629)
 media-video/mplayer cpudetection
 
-# Jeroen Roovers <jer@g.o> (16 Sep 2008)
+# Jeroen Roovers <jer@g.o> (2008-09-16)
 # app-text/xindy needs dev-lisp/clisp and clisp does not build (bug #229217)
 app-text/texlive xindy
 
-# Mart Raudsepp <leio@g.o> (02 Apr 2008)
+# Mart Raudsepp <leio@g.o> (2008-04-02)
 # media-plugins/gst-plugins-{dvb,fluendo-mpegdemux,bad} not keyworded
 media-plugins/gst-plugins-meta dvb

diff --git a/profiles/arch/hppa/package.use.stable.mask b/profiles/arch/hppa/package.use.stable.mask
index 93d77d2c9b8..557707c0725 100644
--- a/profiles/arch/hppa/package.use.stable.mask
+++ b/profiles/arch/hppa/package.use.stable.mask
@@ -8,7 +8,7 @@
 #
 ## Example:
 ##
-## # Dev E. Loper <developer@g.o> (28 Jun 2012)
+## # Dev E. Loper <developer@g.o> (2012-06-28)
 ## # Masking foo USE flag until we can get the
 ## # foo stuff to work properly again (bug 12345)
 ## =media-video/mplayer-0.90_pre5 foo
@@ -17,59 +17,59 @@
 
 #--- END OF EXAMPLES ---
 
-# Andreas Sturmlechner <asturm@g.o> (05 Jun 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-06-05)
 # sys-auth/polkit stable timeout, bug #661470
 sys-apps/pcsc-lite policykit
 x11-misc/colord policykit
 
-# Sergei Trofimovich <slyfox@g.o> (03 May 2019)
+# Sergei Trofimovich <slyfox@g.o> (2019-05-03)
 # net-wireless/bluez has no stable keywords, bug #676430
 app-pda/pilot-link bluetooth
 
-# Sergei Trofimovich <slyfox@g.o> (17 Mar 2019)
+# Sergei Trofimovich <slyfox@g.o> (2019-03-17)
 # net-analyzer/nagios (or icinga) has no stable keywords, bug #676222
 sys-libs/freeipmi nagios
 
-# Andreas Sturmlechner <asturm@g.o> (02 Dec 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-12-02)
 # gnome-base/nautilus is not stable
 media-sound/easytag nautilus
 
-# Andreas Sturmlechner <asturm@g.o> (20 May 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-05-20)
 # media-libs/libraw is not stable
 media-gfx/imagemagick raw
 
-# Andreas Sturmlechner <asturm@g.o> (20 May 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-05-20)
 # media-video/faac is not stable.
 # media-libs/{libdc1394,x264} is not stable.
 # media-libs/game-music-emu is not stable.
 media-video/libav faac ieee1394 x264
 media-video/ffmpeg gme ieee1394 x264
 
-# Andreas Sturmlechner <asturm@g.o> (6 May 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-05-06)
 # sci-visualization/gnuplot is not stable.
 app-admin/sysstat isag
 sci-mathematics/octave gnuplot
 sci-libs/libqalculate gnuplot
 
-# Andreas Sturmlechner <asturm@g.o> (12 Feb 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-02-12)
 # dev-libs/libical stabilisation timeout, bug #621724
 app-mobilephone/gnokii ical
 net-mail/cyrus-imapd calalarm http jmap
 net-wireless/bluez obex
 
-# Hans de Graaff <graaff@g.o> (26 Nov 2017)
+# Hans de Graaff <graaff@g.o> (2017-11-26)
 # Several packages no longer have stable keywords due
 # to bug 626682
 dev-ruby/bundler doc
 dev-ruby/rspec-core highlight test
 sys-block/thin-provisioning-tools test
 
-# Andreas Sturmlechner <asturm@g.o> (30 Sep 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-09-30)
 # Mask pdf support so net-print/cups-filters stabilisation
 # can go ahead (bug 627392)
 net-print/cups-filters pdf
 
-# David Seifert <soap@g.o> (23 Sep 2017)
+# David Seifert <soap@g.o> (2017-09-23)
 #  >=virtual/mpi-2.0-r4 does not have stable keywords on hppa
 # Boost 1.63 (bug 624662), Boost 1.62 (bug 590244)
 sci-libs/fftw mpi

diff --git a/profiles/arch/hppa/use.mask b/profiles/arch/hppa/use.mask
index 508c4e974bd..1c6f655126a 100644
--- a/profiles/arch/hppa/use.mask
+++ b/profiles/arch/hppa/use.mask
@@ -4,11 +4,11 @@
 # NOTE: When masking a USE flag due to missing keywords, please file a keyword
 # request bug for the hppa arch.
 
-# Andreas Sturmlechner <asturm@g.o> (31 Mar 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-03-31)
 # sys-auth/elogind is not yet keyworded here. bug #681200
 elogind
 
-# Michał Górny <mgorny@g.o> (16 Jul 2018)
+# Michał Górny <mgorny@g.o> (2018-07-16)
 # Python 3.7 support requires fresh versions of packages which are stuck
 # at keywordreqs.
 # bug #661306: dev-python/pytest
@@ -16,142 +16,142 @@ elogind
 python_targets_python3_7
 python_single_target_python3_7
 
-# Matt Turner <mattst88@g.o> (26 May 2018)
+# Matt Turner <mattst88@g.o> (2018-05-26)
 # Unmask systemd since it is keyworded here.
 -systemd
 
 #
-# Jeroen Roovers <jer@g.o> (22 Mar 2018)
+# Jeroen Roovers <jer@g.o> (2018-03-22)
 # sys-cluster/ceph is not supported
 ceph
 
-# Matt Turner <mattst88@g.o> (10 Mar 2018)
+# Matt Turner <mattst88@g.o> (2018-03-10)
 # sys-block/open-iscsi has not been tested on HPPA
 iscsi
 
-# Matt Turner <mattst88@g.o> (10 Mar 2018)
+# Matt Turner <mattst88@g.o> (2018-03-10)
 # sys-boot/plymouth has not been tested on HPPA
 plymouth
 
-# Matt Turner <mattst88@g.o> (10 Mar 2018)
+# Matt Turner <mattst88@g.o> (2018-03-10)
 # sys-fs/dmraid has not been tested on HPPA
 dmraid
 
-# James Le Cuirot <chewi@g.o> (29 Jun 2017)
+# James Le Cuirot <chewi@g.o> (2017-06-29)
 # Unmask as this profile is big endian.
 -big-endian
 
-# Andreas Sturmlechner <asturm@g.o> (25 Feb 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-02-25)
 # kwallet integration split from kde to distinct flag
 kwallet
 
-# Jeroen Roovers <jer@g.o> (31 Jan 2016)
+# Jeroen Roovers <jer@g.o> (2016-01-31)
 # USE=xwidgets requires net-libs/webkit-gtk
 xwidgets
 
-# Jeroen Roovers <jer@g.o> (16 Oct 2015)
+# Jeroen Roovers <jer@g.o> (2015-10-16)
 # HPPA has no NUMA support in the kernel
 numa
 
-# Jeroen Roovers <jer@g.o> (3 Feb 2015)
+# Jeroen Roovers <jer@g.o> (2015-02-03)
 # app-misc/geoclue has not been tested on HPPA
 geoclue
 
-# Jeroen Roovers <jer@g.o> (3 Feb 2015)
+# Jeroen Roovers <jer@g.o> (2015-02-03)
 # net-misc/connman has not been tested on HPPA
 connman
 
-# Jeroen Roovers <jer@g.o> (18 Jan 2015)
+# Jeroen Roovers <jer@g.o> (2015-01-18)
 # No video acceleration is available so video decoding acceleration will not
 # work either (bug #536956)
 vaapi
 
-# Jeroen Roovers <jer@g.o> (24 Dec 2014)
+# Jeroen Roovers <jer@g.o> (2014-12-24)
 # sys-devel/clang has not been ported to HPPA
 clang
 
-# Jeroen Roovers <jer@g.o> (7 Nov 2014)
+# Jeroen Roovers <jer@g.o> (2014-11-07)
 # dev-lang/luajit has not been ported to HPPA
 luajit
 
-# Jeroen Roovers <jer@g.o> (30 Sep 2014)
+# Jeroen Roovers <jer@g.o> (2014-09-30)
 # sys-libs/libseccomp has not been ported to HPPA (bug #524148)
 seccomp
 
-# Jeroen Roovers <jer@g.o> (19 Sep 2014)
+# Jeroen Roovers <jer@g.o> (2014-09-19)
 # >=net-libs/libgadu-1.12.0 (bug #519854) requires dev-libs/protobuf-c (bug #519772)
 gadu
 
-# Jeroen Roovers <jer@g.o> (20 May 2014)
+# Jeroen Roovers <jer@g.o> (2014-05-20)
 # Mask USE=systemtap generally until proper kernel support is in place
 systemtap
 
-# Jeroen Roovers <jer@g.o> (20 May 2014)
+# Jeroen Roovers <jer@g.o> (2014-05-20)
 # USE=tcmalloc needs dev-util/google-perftools
 tcmalloc
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (10 Nov 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-11-10)
 # sys-devel/llvm is not keyworded, bug #320221
 llvm
 
-# Jeroen Roovers <jer@g.o> (22 Aug 2013)
+# Jeroen Roovers <jer@g.o> (2013-08-22)
 # No known OpenCL providers (bug #482096)
 opencl
 
-# Samuli Suominen <ssuominen@g.o> (12 Mar 2013)
+# Samuli Suominen <ssuominen@g.o> (2013-03-12)
 # NVIDIA Cg toolkit for binary drivers
 cg
 
-# Jeroen Roovers <jer@g.o> (13 Nov 2012)
+# Jeroen Roovers <jer@g.o> (2012-11-13)
 # media-libs/fdk-aac is not supported on HPPA (bug #442806)
 fdk
 
-# Jeroen Roovers <jer@g.o> (23 May 2012)
+# Jeroen Roovers <jer@g.o> (2012-05-23)
 # sys-apps/gptfdisk creates partition tables incompatible with the HPPA
 # bootloader (bug #412801).
 gptfdisk
 
-# Jeroen Roovers <jer@g.o> (4 Apr 2012)
+# Jeroen Roovers <jer@g.o> (2012-04-04)
 # media-video/vlc is not tested
 vlc
 
-# Jeroen Roovers <jer@g.o> (27 Mar 2012)
+# Jeroen Roovers <jer@g.o> (2012-03-27)
 # app-i18n/ibus is not tested
 ibus
 
-# Jeroen Roovers <jer@g.o> (8 Mar 2012)
+# Jeroen Roovers <jer@g.o> (2012-03-08)
 # The crash reporting facility in www-client/firefox does not compile
 crashreporter
 
-# Jeroen Roovers <jer@g.o> (4 Jan 2012)
+# Jeroen Roovers <jer@g.o> (2012-01-04)
 # dvb is untested on HPPA
 dvb
 
-# Jeroen Roovers <jer@g.o> (4 Jan 2012)
+# Jeroen Roovers <jer@g.o> (2012-01-04)
 # No support for Blu-ray (bug #397531).
 bluray
 
-# Jeroen Roovers <jer@g.o> (15 Sep 2011)
+# Jeroen Roovers <jer@g.o> (2011-09-15)
 # Prelude has not been tested on HPPA.
 prelude
 
-# Jeroen Roovers <jer@g.o> (9 Jun 2011)
+# Jeroen Roovers <jer@g.o> (2011-06-09)
 # Lots of untested dependencies (bug #365451)
 facedetect
 
-# Jeroen Roovers <jer@g.o> (2 May 2011)
+# Jeroen Roovers <jer@g.o> (2011-05-02)
 # No support for CUDA on HPPA
 cuda
 
-# Samuli Suominen <ssuominen@g.o> (25 Dec 2010)
+# Samuli Suominen <ssuominen@g.o> (2010-12-25)
 # This will need stable gnome-base/gvfs.
 thunar
 
-# Jeroen Roovers <jer@g.o> (29 Oct 2010)
+# Jeroen Roovers <jer@g.o> (2010-10-29)
 # Webkit does not work on HPPA right now.
 webkit
 
-# Jeroen Roovers <jer@g.o> (20 Jul 2010)
+# Jeroen Roovers <jer@g.o> (2010-07-20)
 # Mask USE=gnome entirely (bug #324511)
 glade
 libnotify
@@ -160,80 +160,80 @@ gnome
 gnome-keyring
 gnome-online-accounts
 
-# Jeroen Roovers <jer@g.o> (19 Jul 2010)
+# Jeroen Roovers <jer@g.o> (2010-07-19)
 # Masked because of missing gnome-base/gnome-panel
 # dependency (bug #324511)
 applet
 
-# Jeroen Roovers <jer@g.o> (10 Jul 2010)
+# Jeroen Roovers <jer@g.o> (2010-07-10)
 # No known hardware support for video decoding
 vaapi
 vdpau
 
-# Jeroen Roovers <jer@g.o> (1 Jul 2010)
+# Jeroen Roovers <jer@g.o> (2010-07-01)
 # Drop support for ghc and darcs
 darcs
 
-# Jeroen Roovers <jer@g.o> (5 Apr 2010)
+# Jeroen Roovers <jer@g.o> (2010-04-05)
 # Mask USE=kde (bug #304363).
 kde
 
-# Jeroen Roovers <jer@g.o> (28 Feb 2010)
+# Jeroen Roovers <jer@g.o> (2010-02-28)
 # app-accessibility/flite does not work (bug #307241)
 flite
 
-# Jeroen Roovers <jer@g.o> (4 Aug 2009)
+# Jeroen Roovers <jer@g.o> (2009-08-04)
 # net-misc/wicd and sys-power/pm-utils are currently not supported (bug #280312)
 pm-utils
 
 # Unmask the flag which corresponds to ARCH.
 -hppa
 
-# Jeroen Roovers <jer@g.o> (7 Jun 2008)
+# Jeroen Roovers <jer@g.o> (2008-06-07)
 # dev-util/valgrind has not been ported to HPPA.
 valgrind
 
-# Jeroen Roovers <jer@g.o> (4 Jan 2008)
+# Jeroen Roovers <jer@g.o> (2008-01-04)
 # Bug 179895: HPPA's gcc cannot build native code / lacking upstream support
 ocamlopt
 
-# 2007/05/17 Jeroen Roovers <jer@g.o>
+# Jeroen Roovers <jer@g.o> (2007-05-17)
 # sys-devel/gcc fails to build with USE=d (bug #178896).
 d
 
-# 2007/05/02 Jeroen Roovers <jer@g.o>
+# Jeroen Roovers <jer@g.o> (2007-05-02)
 # Lack of user/dev support for WiFi (bug #176517)
 networkmanager
 
-# 2007/04/07 Jeroen Roovers <jer@g.o>
+# Jeroen Roovers <jer@g.o> (2007-04-07)
 # libffi has not been ported to hppa, therefore gcc fails to build with USE=gcj
 gcj
 
-# 2007/03/02 Samuli Suominen <drac@g.o>
+# Samuli Suominen <drac@g.o> (2007-03-02)
 # See https://bugs.gentoo.org/show_bug.cgi?id=157881#c3
 battery
 
-# 2006/08/18 Saleem Abdulrasool <compnerd@g.o>
+# Saleem Abdulrasool <compnerd@g.o> (2006-08-18)
 # dvdr hardware not available - masking with permission from GMsoft
 dvdr
 
-# 2006/05/25 Jeroen Roovers <jer@g.o>
+# Jeroen Roovers <jer@g.o> (2006-05-25)
 # libemf is not ported to hppa
 emf
 
-# 2006/05/25 Guy Martin <gmsoft@g.o>
+# Guy Martin <gmsoft@g.o> (2006-05-25)
 # libaio is not ported on hppa
 aio
 
-# 2006/04/26 Saleem Abdulrasool <compnerd@g.o>
+# Saleem Abdulrasool <compnerd@g.o> (2006-04-26)
 # sys-apps/dmidecode: masking with vapier's blessings
 dmi
 
-# 2006/03/07 Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-03-07)
 # Modular X: mask for architectures lacking direct rendering
 dri
 
-# 2006/02/05 Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-02-05)
 # Modular X: mask for architectures on which they aren't available
 video_cards_amdgpu
 video_cards_glint
@@ -248,46 +248,46 @@ video_cards_r600
 video_cards_radeon
 video_cards_radeonsi
 
-# 25 Jul 2005 Guy Martin <gmsoft@g.o>
+# Guy Martin <gmsoft@g.o> (2005-07-25)
 # lm_sensors not supported on hppa and ieee1394 not tested
 lm_sensors
 iec61883
 ieee1394
 
-# 25 Jun 2005 Guy Martin <gmsoft@g.o>
+# Guy Martin <gmsoft@g.o> (2005-06-25)
 # mono is not yet supported on hppa
 mono
 
-# 18 Feb 2005 Guy Martin <gmsoft@g.o>
+# Guy Martin <gmsoft@g.o> (2005-02-18)
 # No emboss support on hppa for now
 emboss
 
-# 08 Aug 2004 Guy Martin <gmsoft@g.o>
+# Guy Martin <gmsoft@g.o> (2004-08-08)
 # Wifi stuff not test yet because of lack of hardware
 wifi
 
-# 26 Feb 2003 Guy Martin <gmsoft@g.o>
+# Guy Martin <gmsoft@g.o> (2003-02-26)
 # No lirc support on hppa
 lirc
 
-# 22 Jul 2003 Guy Martin <gmsoft@g.o>
+# Guy Martin <gmsoft@g.o> (2003-07-22)
 # Scanner and gphoto2 not yet tested
 gphoto2
 scanner
 
-# 13 Apr 2003 Guy Martin <gmsoft@g.o>
+# Guy Martin <gmsoft@g.o> (2003-04-13)
 # Selinux patches not tested on hppa and no kernel sources are emergeables with this patch.
 selinux
 
-# 20 Mar 2003 Guy Martin <gmsoft@g.o>
+# Guy Martin <gmsoft@g.o> (2003-03-20)
 # Many java apps need java => 1.3 and hppa has only 1.1 right now
 java
 
-# 5 Jan 2005 Ciaran McCreesh <ciaranm@g.o>
+# Ciaran McCreesh <ciaranm@g.o> (2005-01-05)
 # No reliable java, no netbeans. bug 66762
 netbeans
 
-# 14 Mar 2003 Guy Martin <gmsoft@g.o>
+# Guy Martin <gmsoft@g.o> (2003-03-14)
 # USE flags not related to hppa
 acpi
 apm

diff --git a/profiles/arch/hppa/use.stable.mask b/profiles/arch/hppa/use.stable.mask
index 0618774364d..4ca83d48de1 100644
--- a/profiles/arch/hppa/use.stable.mask
+++ b/profiles/arch/hppa/use.stable.mask
@@ -4,21 +4,21 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
-# Andreas Sturmlechner <asturm@g.o> (05 Jun 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-06-05)
 # sys-auth/consolekit will not be stabilised anymore.
 consolekit
 
-# Sergei Trofimovich <slyfox@g.o> (03 Mar 2019)
+# Sergei Trofimovich <slyfox@g.o> (2019-03-03)
 # No stable sys-apps/systemd on hppa.
 systemd
 
-# Andreas Sturmlechner <asturm@g.o> (20 May 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-05-20)
 openal
 
-# Matt Turner <mattst88@g.o> (22 Apr 2018)
+# Matt Turner <mattst88@g.o> (2018-04-22)
 # media-gfx/gimp is ~hppa only
 gimp
 
-# Andreas Sturmlechner <asturm@g.o> (29 Oct 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-10-29)
 # Mask qt5 for stabilisation timeout, bug #620334
 qt5

diff --git a/profiles/arch/ia64/make.defaults b/profiles/arch/ia64/make.defaults
index 482b71cda40..bdf4d7fa479 100644
--- a/profiles/arch/ia64/make.defaults
+++ b/profiles/arch/ia64/make.defaults
@@ -10,12 +10,12 @@ CXXFLAGS="${CFLAGS}"
 FFLAGS="${CFLAGS}"
 FCFLAGS="${CFLAGS}"
 
-# Sergei Trofimovich <slyfox@g.o> (3 Jun 2017)
+# Sergei Trofimovich <slyfox@g.o> (2017-06-03)
 # Enable USE=libtirpc by default, to ease dependency resolution during
 # the stabilization of glibc-2.26. Bug 657148
 USE="libtirpc"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Set ABI & DEFAULT_ABI consistently with ${ARCH}, to make ebuild
 # checks simpler.
 ABI="ia64"
@@ -24,10 +24,10 @@ MULTILIB_ABIS="ia64"
 LIBDIR_ia64="lib"
 CHOST_ia64="${CHOST}"
 
-# 2006/08/18 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-08-18)
 # Defaults for video drivers
 VIDEO_CARDS="fbdev glint mga nv r128 radeon"
 
-# 2006/12/23 - Diego Pettenò <flameeyes@g.o>
+# Diego Pettenò <flameeyes@g.o> (2006-12-23)
 # Defaults for audio drivers - Took from x86 profile
 ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci"

diff --git a/profiles/arch/ia64/package.use b/profiles/arch/ia64/package.use
index c0775ee3d41..0e17589c3f3 100644
--- a/profiles/arch/ia64/package.use
+++ b/profiles/arch/ia64/package.use
@@ -1,6 +1,6 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Pacho Ramos <pacho@g.o> (15 Feb 2014)
+# Pacho Ramos <pacho@g.o> (2014-02-15)
 # libev isn't supported on this arch, use another default (#499498)
 dev-libs/libverto libevent

diff --git a/profiles/arch/ia64/package.use.force b/profiles/arch/ia64/package.use.force
index e56b9ebfa18..2b9d2666943 100644
--- a/profiles/arch/ia64/package.use.force
+++ b/profiles/arch/ia64/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Raúl Porcel <armin76@g.o> (21 Oct 2007)
+# Raúl Porcel <armin76@g.o> (2007-10-21)
 # It segfaults without debug use-flags
 # Remove when http://bugs.php.net/bug.php?id=42893 is fixed
 dev-lang/php debug

diff --git a/profiles/arch/ia64/package.use.mask b/profiles/arch/ia64/package.use.mask
index 90c52e0b84f..06ebc962950 100644
--- a/profiles/arch/ia64/package.use.mask
+++ b/profiles/arch/ia64/package.use.mask
@@ -1,335 +1,335 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Sergei Trofimovich <slyfox@g.o> (21 May 2019)
+# Sergei Trofimovich <slyfox@g.o> (2019-05-21)
 # No ia64 arch support for jit. Version 17 USE=debug
 # required USE=jit.
 dev-lang/spidermonkey jit
 =dev-lang/spidermonkey-17* debug
 
-# Mart Raudsepp <leio@g.o> (17 Mar 2019)
+# Mart Raudsepp <leio@g.o> (2019-03-17)
 # Unkeyworded media-libs/opencv dependency, bug #680656
 media-gfx/shotwell opencv
 
-# Sergei Trofimovich <slyfox@g.o> (13 Oct 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-10-13)
 # USE=debug needs support for target-specific _FPU_MASK_IM. ia64
 # does not define those.
 media-sound/lame debug
 
-# Sergei Trofimovich <slyfox@g.o> (25 Jul 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-07-25)
 # USE=server does not compile and needs upstream fix: bug #662040
 >=sys-devel/gdb-8.1 server
 
-# Joonas Niilola <juippis@×××××.com> (17 Jun 2018)
+# Joonas Niilola <juippis@×××××.com> (2018-06-17)
 # Optional dependency not available for this arch
 dev-libs/efl vlc
 
-# Thomas Deutschmann <whissi@g.o> (06 Jun 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-06-06)
 # Needs sys-apps/fakechroot which isn't keyworded
 app-arch/rpm test
 
-# Michał Górny <mgorny@g.o> (15 Apr 2018)
+# Michał Górny <mgorny@g.o> (2018-04-15)
 # Unkeyworded dep masks moved from default/linux/ia64 tree.
 mail-client/mutt notmuch
 mail-mta/exim redis
 
-# Sergei Trofimovich <slyfox@g.o> (18 Mar 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-03-18)
 # Many unkeyworded rails deps, bug #650642
 net-analyzer/wireshark doc
 
-# Sergei Trofimovich <slyfox@g.o> (18 Mar 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-03-18)
 # unkeyworded deps, bug #552330
 app-portage/g-sorcery bson
 
-# Mart Raudsepp <leio@g.o> (08 Jan 2018)
+# Mart Raudsepp <leio@g.o> (2018-01-08)
 # mail-client/evolution[ytnef] requires net-mail/ytnef which is not keyworded
 mail-client/evolution ytnef
 
-# Sergei Trofimovich <slyfox@g.o> (25 Dec 2017)
+# Sergei Trofimovich <slyfox@g.o> (2017-12-25)
 # net-firewall/nftables[doc] requires dblatex which is not keyworded
 net-firewall/nftables doc
 
-# Michał Górny <mgorny@g.o> (10 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-10)
 # Both USE=fluidsynth and USE=timidity are masked in this profile.
 media-libs/sdl-mixer midi
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Required VIDEO_CARDS=i965/radeonsi, both masked in this profile.
 media-libs/mesa vulkan vulkan-overlay
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=seccomp that is masked in this profile.
 net-libs/gnutls test-full
 
-# Michał Górny <mgorny@g.o> (07 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-07)
 # Requires USE=dvd that is masked in this profile.
 media-video/mplayer dvdnav
 
-# Michał Górny <mgorny@g.o> (07 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-07)
 # Requires USE=v4l that is masked in this profile.
 media-video/ffmpeg libv4l
 
-# Michał Górny <mgorny@g.o> (07 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-07)
 # Requires USE=bluetooth that is masked in this profile.
 media-sound/pulseaudio native-headset
 
-# Robin H. Johnson <robbat2@g.o> (05 Aug 2017)
+# Robin H. Johnson <robbat2@g.o> (2017-08-05)
 # Upstream Git is switching to PCRE2 w/ JIT.
 # This is not available on some arches, where a fallback to PCRE1 without JIT is used.
 dev-vcs/git pcre-jit
 
-# Sergei Trofimovich <slyfox@g.o> (20 Jul 2017)
+# Sergei Trofimovich <slyfox@g.o> (2017-07-20)
 # pulls in unkeyworded java
 sci-libs/gdal mdb
 
-# Sergei Trofimovich <slyfox@g.o> (20 Jul 2017)
+# Sergei Trofimovich <slyfox@g.o> (2017-07-20)
 # pulls in unkeyworded lapack
 sci-libs/gdal armadillo
 
-# Michał Górny <mgorny@g.o> (28 Jun 2017)
+# Michał Górny <mgorny@g.o> (2017-06-28)
 # app-misc/dtach is not keyworded, and tests are restricted anyway, so
 # no point in pursuing it right now.
 app-shells/bash-completion test
 
-# Sergei Trofimovich <slyfox@g.o> (17 Jun 2017)
+# Sergei Trofimovich <slyfox@g.o> (2017-06-17)
 # Pulls in dev-db/redis which is not keyworded on ia64.
 dev-python/pyzor test
 
-# Sergei Trofimovich <slyfox@g.o> (17 Jun 2017)
+# Sergei Trofimovich <slyfox@g.o> (2017-06-17)
 # dev-python/gevent requires dev-python/greenlet which has not been ported to
 # ia64 (bug #538510)
 dev-python/pyzor gevent
 
-# Sergei Trofimovich <slyfox@g.o> (10 Jun 2017)
+# Sergei Trofimovich <slyfox@g.o> (2017-06-10)
 # media-libs/libilbc has not been ported to ia64, bug #610546
 media-video/ffmpeg libilbc
 
-# Sergei Trofimovich <slyfox@g.o> (06 Jun 2017)
+# Sergei Trofimovich <slyfox@g.o> (2017-06-06)
 # Mask USE=rados for net-analyzer/rrdtool since sys-cluster/ceph is not
 # keyworded (bug #549516)
 net-analyzer/rrdtool rados
 
-# Jason Zaman <perfinion@g.o> (09 May 2017)
+# Jason Zaman <perfinion@g.o> (2017-05-09)
 # x11-libs/libXpresent is not keyworded on ia64
 xfce-base/xfwm4 xpresent
 
-# Pacho Ramos <pacho@g.o> (02 Jan 2017)
+# Pacho Ramos <pacho@g.o> (2017-01-02)
 # Don't keyword redis
 dev-libs/hiredis test
 
-# Lars Wendler <polynomial-c@g.o> (17 Nov 2016)
+# Lars Wendler <polynomial-c@g.o> (2016-11-17)
 # jit not supported on ia64 (bug #600052).
 dev-libs/libpcre2 jit
 
-# Christian Ruppert <idl0r@g.o> (14 Oct 2016)
+# Christian Ruppert <idl0r@g.o> (2016-10-14)
 # dnstap USE masked due to missing keywords
 net-dns/bind dnstap
 
-# Gilles Dartiguelongue <eva@g.o> (11 Sep 2016)
+# Gilles Dartiguelongue <eva@g.o> (2016-09-11)
 # networkmanager USE masked due to missing keywords
 gnome-extra/nm-applet teamd
 
-# Gilles Dartiguelongue <eva@g.o> (11 Sep 2016)
+# Gilles Dartiguelongue <eva@g.o> (2016-09-11)
 # Opt-out of ofono support until there is a user request,
 # see also pulseaudio/connman
 net-misc/networkmanager ofono
  
-# Thomas Deutschmann <whissi@g.o> (26 Aug 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-08-26)
 # Enable numa support on supported architectures
 dev-db/mysql -numa
 dev-db/percona-server -numa
 
-# Gilles Dartiguelongue <eva@g.o> (23 Aug 2016)
+# Gilles Dartiguelongue <eva@g.o> (2016-08-23)
 # Missing keywords on media-libs/grilo - bug #521972
 media-sound/rhythmbox upnp-av
 
-# Alexandre Rostovtsev <tetromino@g.o> (28 Jun 2016)
+# Alexandre Rostovtsev <tetromino@g.o> (2016-06-28)
 # Missing keywords on app-text/gspell - bug #587368
 >=app-editors/gedit-3.20 spell
 >=app-text/evince-3.30 spell
 
-# Justin Lecher <jlec@g.o> (22 Feb 2016)
+# Justin Lecher <jlec@g.o> (2016-02-22)
 # Missing test deps keyword #575366
 dev-cpp/eigen test
 
-# Pacho Ramos <pacho@g.o> (31 Jan 2016)
+# Pacho Ramos <pacho@g.o> (2016-01-31)
 # Missing keywords, bug #560382
 media-video/ffmpeg snappy
 
-# Justin Lecher <jlec@g.o> (18 Nov 2015)
+# Justin Lecher <jlec@g.o> (2015-11-18)
 # requires dev-python/restkit which requires
 # dev-python/socketpool which requires dev-python/gevent which requires
 # dev-python/greenlet which has not been ported
 dev-python/wsgiproxy2 test
 dev-python/pyquery test
 
-# Pacho Ramos <pacho@g.o> (15 Nov 2015)
+# Pacho Ramos <pacho@g.o> (2015-11-15)
 # Missing keywords
 >=media-plugins/grilo-plugins-0.2.16 upnp-av
 
-# Davide Pesavento <pesa@g.o> (26 Oct 2015)
+# Davide Pesavento <pesa@g.o> (2015-10-26)
 # Tests require non-keyworded qt5
 dev-qt/qtchooser test
 
-# Justin Lecher <jlec@g.o> (14 Oct 2015)
+# Justin Lecher <jlec@g.o> (2015-10-14)
 # Requires dev-python/ipython which triggers a long dep chain
 dev-python/restkit cli
 
-# Brian Evans <grknight@g.o> (14 Sep 2015)
+# Brian Evans <grknight@g.o> (2015-09-14)
 # Mask new USE flags for mariadb which all arches do not yet have dependencies
 >=dev-db/mariadb-10.1.0 innodb-snappy
 
-# Alexandre Rostovtsev <tetromino@g.o> (10 Sep 2015)
+# Alexandre Rostovtsev <tetromino@g.o> (2015-09-10)
 # Requires wifi USE flag, which is masked for this arch
 net-misc/networkmanager wext
 
-# Pacho Ramos <pacho@g.o> (06 Sep 2015)
+# Pacho Ramos <pacho@g.o> (2015-09-06)
 # Missing keywords
 media-sound/pulseaudio ofono-headset
 
-# Mike Gilbert <floppym@g.o> (05 Sep 2015)
+# Mike Gilbert <floppym@g.o> (2015-09-05)
 # sys-boot/gnu-efi is not supported on all archs.
 sys-apps/systemd -gnuefi
 
-# James Le Cuirot <chewi@g.o> (11 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-11)
 # Requires dev-java/fop but we don't support java on ia64.
 gnome-extra/libgda reports
 
-# Pacho Ramos <pacho@g.o> (13 Jun 2015)
+# Pacho Ramos <pacho@g.o> (2015-06-13)
 # Missing keywords, bug #513108
 net-misc/spice-gtk smartcard webdav
 
-# Gilles Dartiguelongue <eva@g.o> (09 Jun 2015)
+# Gilles Dartiguelongue <eva@g.o> (2015-06-09)
 # dev-lang/luajit lacks ia64 keyword, bug #551540
 dev-libs/libpeas lua
 
-# Mike Frysinger <vapier@g.o> (16 Mar 2015)
+# Mike Frysinger <vapier@g.o> (2015-03-16)
 # Needs sci-physics/bullet & media-libs/libsdl2 tested #499974
 dev-libs/efl physics sdl
 
-# Alexis Ballier <aballier@g.o> (11 Feb 2015)
+# Alexis Ballier <aballier@g.o> (2015-02-11)
 # Missing ffmpeg deps, bug #510340
 media-video/ffmpeg gme ssh
 
-# Pacho Ramos <pacho@g.o> (10 Jan 2014)
+# Pacho Ramos <pacho@g.o> (2014-01-10)
 # Missing keywords
 net-misc/networkmanager teamd
 
-# Mark Wright <gienah@g.o> (14-23 Dec 2014)
+# Mark Wright <gienah@g.o> (2014-12-14/2014-12-23)
 # test dependencies need keywording
 dev-haskell/binary test
 dev-haskell/text test
 dev-haskell/vector test
 
-# Christoph Junghans <junghans@g.o> (21 Jul 2014)
+# Christoph Junghans <junghans@g.o> (2014-07-21)
 # Missing keywords on sci-libs/libcerf (bug 517726)
 sci-visualization/gnuplot libcerf
 
-# Pacho Ramos <pacho@g.o> (12 Apr 2014)
+# Pacho Ramos <pacho@g.o> (2014-04-12)
 # Missing keywords, bug #507490
 net-misc/modemmanager mbim
 
-# Mike Frysinger <vapier@g.o> (15 Mar 2014)
+# Mike Frysinger <vapier@g.o> (2014-03-15)
 # Various deps not ported to ia64.
 dev-python/ipython nbconvert notebook
 
-# Pacho Ramos <pacho@g.o> (15 Mar 2014)
+# Pacho Ramos <pacho@g.o> (2014-03-15)
 # Missing keywords, bug #504672
 >=net-misc/vinagre-3.10 rdp
 
-# Pacho Ramos <pacho@g.o> (23 Feb 2014)
+# Pacho Ramos <pacho@g.o> (2014-02-23)
 # Needed dependencies cannot be installed on ia64, bug #498638
 dev-util/dbus-test-runner test
 
-# Pacho Ramos <pacho@g.o> (22 Feb 2014)
+# Pacho Ramos <pacho@g.o> (2014-02-22)
 # Missing keywords, bug #495250
 >=gnome-base/gnome-extra-apps-3.10 tracker
 
-# Pacho Ramos <pacho@g.o> (10 Feb 2014)
+# Pacho Ramos <pacho@g.o> (2014-02-10)
 # Missing keywords, bug #495254
 >=dev-libs/totem-pl-parser-3.10 quvi
 
-# Pacho Ramos <pacho@g.o> (19 Jan 2014)  
+# Pacho Ramos <pacho@g.o> (2014-01-19)
 # Missing keywords, bug #478254
 gnome-base/gnome classic extras
 
-# Pacho Ramos <pacho@g.o> (02 Dec 2013)
+# Pacho Ramos <pacho@g.o> (2013-12-02)
 # Missing keywords, bug #493156
 media-libs/libgphoto2 serial
 
-# Pacho Ramos <pacho@g.o> (28 Nov 2013)
+# Pacho Ramos <pacho@g.o> (2013-11-28)
 # Missing keywords, bug #492820
 net-im/telepathy-connection-managers sipe
 
-# Mark Wright <gienah@g.o> (26 Oct 2013)
+# Mark Wright <gienah@g.o> (2013-10-26)
 # template-haskell not yet available
 dev-haskell/dataenc test
 
-# Pacho Ramos <pacho@g.o> (20 Jul 2013)
+# Pacho Ramos <pacho@g.o> (2013-07-20)
 # Keywords pending, bug #476710
 >=gnome-base/gnome-extra-apps-3.8 games
 
-# Julian Ospald <hasufell@g.o> (31 Mar 2013)
+# Julian Ospald <hasufell@g.o> (2013-03-31)
 # depends on mono/monodevelop
 >=net-irc/hexchat-2.9.4-r1 theme-manager
 
-# Agostino Sarubbo <ago@g.o> (09 Feb 2013)
+# Agostino Sarubbo <ago@g.o> (2013-02-09)
 # Mask media-video/libav[hardcoded-tables] bug #453328
 # I don't use use.mask because it works on ffmpeg
 media-video/libav hardcoded-tables
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Jan 2013)
+# Alexandre Rostovtsev <tetromino@g.o> (2013-01-31)
 # remove mask when net-libs/libqmi is keyworded here
 net-misc/modemmanager qmi
 
-# Alexandre Rostovtsev <tetromino@g.o> (22 Jan 2013)
+# Alexandre Rostovtsev <tetromino@g.o> (2013-01-22)
 # remove mask if/when media-gfx/argyllcms is keywored here.
 x11-misc/colord argyllcms extra-print-profiles
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # requires app-office/unoconv, which requires virtual/ooo, which is not
 # keyworded here. Remove mask if this situation changes.
 gnome-extra/sushi office
 
-# Agostino Sarubbo <ago@g.o> (18 Dec 2012)
+# Agostino Sarubbo <ago@g.o> (2012-12-18)
 # kde is not stable, then no needs phonon backends
 media-libs/phonon gstreamer vlc
 
-# Robin H Johnson <robbat2@g.o> (01 Nov 2012)
+# Robin H Johnson <robbat2@g.o> (2012-11-01)
 # MySQL 5.5 wants systemtap, tcmalloc & jemalloc
 >=dev-db/mysql-5.5 tcmalloc
 >=dev-db/mariadb-5.5 tcmalloc
 >=dev-db/percona-server-5.5 tcmalloc
 
-# Raúl Porcel <armin76@g.o> (28 May 2012)
+# Raúl Porcel <armin76@g.o> (2012-05-28)
 # Needs x11-misc/lightdm(which also requires some other deps)
 x11-misc/xscreensaver new-login
 
-# Alexey Shvetsov <alexxy@g.o> (17 Dec 2011)
+# Alexey Shvetsov <alexxy@g.o> (2011-12-17)
 # Mask use numa for openmpi
 sys-cluster/openmpi openmpi_fabrics_psm openmpi_fabrics_knem openmpi_fabrics_open-mx openmpi_fabrics_ofed openmpi_fabrics_dapl openmpi_rm_slurm openmpi_fabrics_sctp openmpi_ofed_features_rdmacm openmpi_ofed_features_control-hdr-padding openmpi_ofed_features_connectx-xrc openmpi_ofed_features_udcm openmpi_ofed_features_dynamic-sl openmpi_ofed_features_failover
 
-# Raúl Porcel <armin76@g.o> (05 Nov 2011)
+# Raúl Porcel <armin76@g.o> (2011-11-05)
 # jit not supported on ia64
 dev-libs/libpcre jit
 
-# Tomáš Chvátal <scarabeus@g.o> (4 Apr 2011)
+# Tomáš Chvátal <scarabeus@g.o> (2011-04-04)
 # Needs sci-libs/umfpack keyworded. Bug #361947.
 media-libs/gegl umfpack
 
-# Sebastian Pipping <sping@g.o> (22 Feb 2011)
+# Sebastian Pipping <sping@g.o> (2011-02-22)
 # No media-sound/lilypond here, yet (bug #356069)
 app-text/asciidoc test
 
-# Diego Elio Pettenò <flameeyes@g.o> (17 Dec 2010)
+# Diego Elio Pettenò <flameeyes@g.o> (2010-12-17)
 # needs sys-libs/libcap-ng that is masked right now
 sys-apps/smartmontools caps
 
-# Raúl Porcel <armin76@g.o> (5 Dec 2010)
+# Raúl Porcel <armin76@g.o> (2010-12-05)
 # Needs testing
 www-client/elinks javascript
 
-# Raúl Porcel <armin76@g.o> (26 Jun 2010)
+# Raúl Porcel <armin76@g.o> (2010-06-26)
 # custom-optimization doesn't work on ia64
 mail-client/thunderbird custom-optimization
 www-client/firefox custom-optimization
@@ -339,13 +339,13 @@ www-client/seamonkey custom-optimization
 # Keep deps minimal
 x11-wm/fvwm lock
 
-# Raúl Porcel <armin76@g.o> (07 Jul 2008)
+# Raúl Porcel <armin76@g.o> (2008-07-07)
 # Make clisp deps minimal
 dev-lisp/clisp hyperspec svm
 
 # missing keywords
 media-plugins/gst-plugins-meta dts dv lame libvisual modplug mms taglib vcd wavpack
 
-# Marius Brehler <marfbre@××××××××××××××.de> (13 Aug 2015)
+# Marius Brehler <marfbre@××××××××××××××.de> (2015-08-13)
 # missing keyword
 >=sci-misc/boinc-7.4.42-r1 X

diff --git a/profiles/arch/ia64/package.use.stable.mask b/profiles/arch/ia64/package.use.stable.mask
index f732955c5e9..da1cb4cbcca 100644
--- a/profiles/arch/ia64/package.use.stable.mask
+++ b/profiles/arch/ia64/package.use.stable.mask
@@ -8,7 +8,7 @@
 #
 ## Example:
 ##
-## # Dev E. Loper <developer@g.o> (28 Jun 2012)
+## # Dev E. Loper <developer@g.o> (2012-06-28)
 ## # Masking foo USE flag until we can get the
 ## # foo stuff to work properly again (bug 12345)
 ## =media-video/mplayer-0.90_pre5 foo
@@ -17,25 +17,25 @@
 
 #--- END OF EXAMPLES ---
 
-# Sergei Trofimovich <slyfox@g.o> (03 May 2019)
+# Sergei Trofimovich <slyfox@g.o> (2019-05-03)
 # Requires net-libs/webkit-gtk. Not stable on ia64.
 dev-util/geany-plugins markdown
 
-# Ulrich Müller <ulm@g.o> (09 Aug 2018)
+# Ulrich Müller <ulm@g.o> (2018-08-09)
 # Needs net-mail/mailutils and net-libs/webkit-gtk which are not
 # stable (yet?), bug #663248
 app-editors/emacs mailutils xwidgets
 
-# Andreas K. Hüttel <dilfridge@g.o> (6 Jan 2018)
+# Andreas K. Hüttel <dilfridge@g.o> (2018-01-06)
 # Please unmask after newer dietlibc is finally stable on ia64
 sys-fs/dmraid dietlibc
 
-# Hans de Graaff <graaff@g.o> (16 Apr 2016)
+# Hans de Graaff <graaff@g.o> (2016-04-16)
 # Mask tests on thin-provisioning-tools since the required
 # packages are no longer stable, bug 610088
 sys-block/thin-provisioning-tools test
 
-# Pacho Ramos <pacho@g.o> (02 Jul 2014)
+# Pacho Ramos <pacho@g.o> (2014-07-02)
 # Mask due Gnome3 not going to be stabilized on this arch
 dev-util/geany-plugins gtkspell
 >=gnome-base/gnome-desktop-2.32.1-r2 license-docs

diff --git a/profiles/arch/ia64/use.mask b/profiles/arch/ia64/use.mask
index 99163c25200..f8976a1a9ef 100644
--- a/profiles/arch/ia64/use.mask
+++ b/profiles/arch/ia64/use.mask
@@ -3,7 +3,7 @@
 
 # This is a list of USE flags that should not be used on ia64.
 
-# Michał Górny <mgorny@g.o> (16 Jul 2018)
+# Michał Górny <mgorny@g.o> (2018-07-16)
 # Python 3.7 support requires fresh versions of packages which are stuck
 # at keywordreqs.
 # bug #661306: dev-python/pytest
@@ -11,16 +11,16 @@
 python_targets_python3_7
 python_single_target_python3_7
 
-# Sergei Trofimovich <slyfox@g.o> (17 Jun 2017)
+# Sergei Trofimovich <slyfox@g.o> (2017-06-17)
 # There is no luajit support on ia64. Bug #554376
 luajit
 luajittex
 
-# Andreas Sturmlechner <asturm@g.o> (25 Feb 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-02-25)
 # kwallet integration split from kde to distinct flag
 kwallet
 
-# Julian Ospald <hasufell@g.o> (20 Sep 2015)
+# Julian Ospald <hasufell@g.o> (2015-09-20)
 # no LibreSSL support yet
 curl_ssl_libressl
 libressl
@@ -110,24 +110,24 @@ xemacs
 
 # Other
 
-# Raúl Porcel <armin76@g.o> (20 Aug 2014)
+# Raúl Porcel <armin76@g.o> (2014-08-20)
 # Upstream drops support on ia64 from 4.0 onwards, bug #430352
 ocamlopt
 
 
-# Raúl Porcel <armin76@g.o> (23 Apr 2011)
+# Raúl Porcel <armin76@g.o> (2011-04-23)
 # Needs to be tested
 video_cards_nouveau
 
-# Samuli Suominen <ssuominen@g.o> (02 Dec 2009)
+# Samuli Suominen <ssuominen@g.o> (2009-12-02)
 # This will need media-sound/musepack-tools
 musepack
 
-# Raúl Porcel <armin76@g.o> (20 Mar 2009)
+# Raúl Porcel <armin76@g.o> (2009-03-20)
 # Current webkit segfaults
 webkit
 
-# Ben de Groot <yngwin@g.o> (11 Feb 2009)
+# Ben de Groot <yngwin@g.o> (2009-02-11)
 # Both dev-qt/qtphonon and media-sound/phonon are unkeyworded
 phonon
 
@@ -137,7 +137,7 @@ phonon
 # architecture.
 qdbm
 
-# James Le Cuirot <chewi@g.o> (11 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-11)
 # We don't support java on ia64.
 java
 pdfannotextractor
@@ -147,7 +147,7 @@ pdfannotextractor
 video_cards_amdgpu
 video_cards_radeonsi
 
-# Diego Pettenò <flameeyes@g.o> (6 Dec 2006)
+# Diego Pettenò <flameeyes@g.o> (2006-12-06)
 # Mask ALSA drivers for ISA cards
 alsa_cards_msnd-pinnacle
 alsa_cards_sb16
@@ -155,19 +155,19 @@ alsa_cards_sbawe
 alsa_cards_sscape
 alsa_cards_wavefront
 
-# Diego Elio Pettenò <flameeyes@g.o> (21 Aug 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-08-21)
 # IPMI is only implemented for x86, amd64 and ia64
 -ipmi
 
-# Michael Sterrett <mr_bones_@g.o> (24 Aug 2012)
+# Michael Sterrett <mr_bones_@g.o> (2012-08-24)
 # media-sound/fluidsynth isn't keyworded
 fluidsynth
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # net-misc/connman is not keyworded, bug 348308
 connman
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # media-libs/xine-lib is not keyworded
 xine
 
@@ -176,15 +176,15 @@ template_haskell
 # toolkit for nvidia binary drivers
 cg
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (22 Aug 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-08-22)
 # virtual/opencl is not keyworded
 opencl
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (10 Nov 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-11-10)
 # sys-devel/llvm s not keyworded, bug #320221
 llvm
 
-# Pacho Ramos <pacho@g.o> (08 Jan 2014)
+# Pacho Ramos <pacho@g.o> (2014-01-08)
 # Unmask systemd since it is keyworded here.
 -systemd
 
@@ -197,6 +197,6 @@ glusterfs
 # need to test ceph and friends #519618
 rbd
 
-# Ben de Groot <yngwin@g.o> (01 Feb 2015)
+# Ben de Groot <yngwin@g.o> (2015-02-01)
 # please remove when keyworded
 qt5

diff --git a/profiles/arch/ia64/use.stable.mask b/profiles/arch/ia64/use.stable.mask
index 9cc60234182..f7aa42a2d1d 100644
--- a/profiles/arch/ia64/use.stable.mask
+++ b/profiles/arch/ia64/use.stable.mask
@@ -4,11 +4,11 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
-# Andreas Sturmlechner <asturm@g.o> (29 Apr 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-04-29)
 # sys-auth/elogind is not yet stable here. bug #682158
 elogind
 
-# Mike Gilbert <floppym@g.o> (08 Jun 2017)
+# Mike Gilbert <floppym@g.o> (2017-06-08)
 # dev-lang/python:3.7 is not stable.
 python_targets_python3_7
 python_single_target_python3_7
@@ -16,7 +16,7 @@ python_single_target_python3_7
 # Not stable
 mkl
 
-# Pacho Ramos <pacho@g.o> (17 Apr 2014)
+# Pacho Ramos <pacho@g.o> (2014-04-17)
 # Dropped stable keywords after the discussion caused by
 # Gnome 3.8/3.10 stabilization on this arch
 colord
@@ -28,6 +28,6 @@ gusb
 upnp
 upnp-av
 
-# Pacho Ramos <pacho@g.o> (13 Apr 2014)
+# Pacho Ramos <pacho@g.o> (2014-04-13)
 # Not going to be stabilized on this arch
 gnome-online-accounts

diff --git a/profiles/arch/m68k/make.defaults b/profiles/arch/m68k/make.defaults
index 5c08bf09c6a..af979d6131c 100644
--- a/profiles/arch/m68k/make.defaults
+++ b/profiles/arch/m68k/make.defaults
@@ -10,7 +10,7 @@ CXXFLAGS="${CFLAGS}"
 FFLAGS="${CFLAGS}"
 FCFLAGS="${CFLAGS}"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Set ABI & DEFAULT_ABI consistently with ${ARCH}, to make ebuild
 # checks simpler.
 ABI="m68k"

diff --git a/profiles/arch/m68k/package.use.force b/profiles/arch/m68k/package.use.force
index 95e99635bb0..f10e6d195eb 100644
--- a/profiles/arch/m68k/package.use.force
+++ b/profiles/arch/m68k/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Ulrich Müller <ulm@g.o> (10 Aug 2013)
+# Ulrich Müller <ulm@g.o> (2013-08-10)
 # Building from source requires TeX Live as dependency
 app-doc/pms binary

diff --git a/profiles/arch/m68k/package.use.mask b/profiles/arch/m68k/package.use.mask
index acc452b53e2..c143bc4ea26 100644
--- a/profiles/arch/m68k/package.use.mask
+++ b/profiles/arch/m68k/package.use.mask
@@ -1,38 +1,38 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=seccomp that is masked in this profile.
 net-libs/gnutls test-full
 
-# Matt Turner <mattst88@g.o> (25 Feb 2017)
+# Matt Turner <mattst88@g.o> (2017-02-25)
 # Needs libepoxy keywording, bug #510940
 x11-base/xorg-server glamor wayland
 x11-drivers/xf86-video-ati glamor
 
-# Mike Frysinger <vapier@g.o> (16 Mar 2015)
+# Mike Frysinger <vapier@g.o> (2015-03-16)
 # Needs sci-physics/bullet tested #499974
 dev-libs/efl physics
 
-# Mikle Kolyada <zlogene@g.o> (11 Jul 2013)
+# Mikle Kolyada <zlogene@g.o> (2013-07-11)
 # Tests for dev-perl/Error require >=dev-perl/Test-Pod-Coverage-1.40.0 (bug #351636)
 dev-perl/Error test
 
-# Raúl Porcel <armin76@g.o> (23 Jan 2013)
+# Raúl Porcel <armin76@g.o> (2013-01-23)
 # Architecture is unsupported
 dev-libs/libpcre jit
 dev-libs/libpcre2 jit
 
-# Ryan Hill <dirtyepic@g.o> (20 Jul 2011)
+# Ryan Hill <dirtyepic@g.o> (2011-07-20)
 # graphite requires dev-libs/ppl & dev-libs/cloog-ppl
 # (bugs #269087 and #269088)
 sys-devel/gcc graphite awt
 
-# Mike Frysinger <vapier@g.o> (10 Feb 2011)
+# Mike Frysinger <vapier@g.o> (2011-02-10)
 # Waiting for keywording #354309
 net-firewall/iptables netlink
 
-# Diego Pettenò <flameeyes@g.o> (10 Nov 2007)
+# Diego Pettenò <flameeyes@g.o> (2007-11-10)
 # Tests for Linux-PAM 0.99 require >=sys-libs/glibc-2.4
 >=sys-libs/pam-0.99.8 test
 

diff --git a/profiles/arch/m68k/use.mask b/profiles/arch/m68k/use.mask
index 8e460156030..7a1b57cdfc6 100644
--- a/profiles/arch/m68k/use.mask
+++ b/profiles/arch/m68k/use.mask
@@ -4,11 +4,11 @@
 # Unmask the flag which corresponds to ARCH.
 -m68k
 
-# Andreas Sturmlechner <asturm@g.o> (31 Mar 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-03-31)
 # sys-auth/elogind is not keyworded here.
 elogind
 
-# James Le Cuirot <chewi@g.o> (29 Jun 2017)
+# James Le Cuirot <chewi@g.o> (2017-06-29)
 # Unmask as this profile is big endian.
 -big-endian
 
@@ -69,7 +69,7 @@ tk
 clang
 
 # USE=audit masked prior to testing on alpha, arm, hppa, ppc64, s390, sh.
-# Bug #184563, 18 Sep 2007 
+# Bug #184563, (2007-09-18)
 # Robin H. Johnson <robbat2@g.o>
 audit
 
@@ -85,7 +85,7 @@ pango
 avahi
 zeroconf
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (22 Aug 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-08-22)
 # virtual/opencl is not keyworded
 opencl
 

diff --git a/profiles/arch/mips/make.defaults b/profiles/arch/mips/make.defaults
index 09430714177..d679c9f2059 100644
--- a/profiles/arch/mips/make.defaults
+++ b/profiles/arch/mips/make.defaults
@@ -1,7 +1,7 @@
 # Copyright 2008-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# 2006/08/18 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-08-18)
 # Defaults for video drivers
 VIDEO_CARDS="fbdev impact"
 
@@ -16,6 +16,6 @@ LIBDIR_o32="lib"
 LIBDIR_n32="lib32"
 LIBDIR_n64="lib64"
 
-# 2010/12/06 - Matt Turner <mattst88@g.o>
+# Matt Turner <mattst88@g.o> (2010-12-06)
 # Probably missing a bunch for various SGI systems.
 ALSA_CARDS="au1x00"

diff --git a/profiles/arch/mips/mips64/multilib/use.mask b/profiles/arch/mips/mips64/multilib/use.mask
index bcbae99c546..096bbf01de3 100644
--- a/profiles/arch/mips/mips64/multilib/use.mask
+++ b/profiles/arch/mips/mips64/multilib/use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2013 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Matt Turner <mattst88@g.o> (29 Jul 2013)
+# Matt Turner <mattst88@g.o> (2013-07-29)
 # Unmask the multilib flags for this arch.
 -abi_mips_o32
 -abi_mips_n32

diff --git a/profiles/arch/mips/mipsel/mips64el/multilib/use.mask b/profiles/arch/mips/mipsel/mips64el/multilib/use.mask
index bcbae99c546..096bbf01de3 100644
--- a/profiles/arch/mips/mipsel/mips64el/multilib/use.mask
+++ b/profiles/arch/mips/mipsel/mips64el/multilib/use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2013 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Matt Turner <mattst88@g.o> (29 Jul 2013)
+# Matt Turner <mattst88@g.o> (2013-07-29)
 # Unmask the multilib flags for this arch.
 -abi_mips_o32
 -abi_mips_n32

diff --git a/profiles/arch/mips/mipsel/use.mask b/profiles/arch/mips/mipsel/use.mask
index 2a8cc7b0c76..0e0a660d1e6 100644
--- a/profiles/arch/mips/mipsel/use.mask
+++ b/profiles/arch/mips/mipsel/use.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (29 Jun 2017)
+# James Le Cuirot <chewi@g.o> (2017-06-29)
 # Remask as this profile is little endian.
 big-endian

diff --git a/profiles/arch/mips/package.use.force b/profiles/arch/mips/package.use.force
index 9dea18f7395..89f4520ca4e 100644
--- a/profiles/arch/mips/package.use.force
+++ b/profiles/arch/mips/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_Mips
 sys-devel/clang llvm_targets_Mips

diff --git a/profiles/arch/mips/package.use.mask b/profiles/arch/mips/package.use.mask
index 1d5e95348d8..e3984601c31 100644
--- a/profiles/arch/mips/package.use.mask
+++ b/profiles/arch/mips/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (23 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-23)
 # USE=collab requires unkeyworded net-libs/loudmouth & dev-cpp/asio.
 # USE=grammar requires dev-libs/link-grammar.
 # USE=map requires media-libs/libchamplain.
@@ -9,135 +9,135 @@
 # dev-libs/rasqal. None of them keyworded here.
 app-office/abiword collab grammar map redland
 
-# Brian Evans <grknight@g.o> (15 Jan 2018)
+# Brian Evans <grknight@g.o> (2018-01-15)
 # app-arch/snappy is not tested
 dev-db/mariadb innodb-snappy
 
-# Michał Górny <mgorny@g.o> (12 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-12)
 # Requires dependency flags that are masked in this profile.
 media-libs/sdl-mixer midi
 
-# Michał Górny <mgorny@g.o> (30 Dec 2017)
+# Michał Górny <mgorny@g.o> (2017-12-30)
 # Moved from use.mask since they are flags local to one package.
 sys-kernel/mips-sources -ip27 -ip28 -ip30
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Required VIDEO_CARDS=i965/radeonsi, both masked in this profile.
 media-libs/mesa vulkan vulkan-overlay
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=opencl that is masked in this profile.
 net-misc/bfgminer adl lm_sensors
 
-# Michał Górny <mgorny@g.o> (28 Jun 2017)
+# Michał Górny <mgorny@g.o> (2017-06-28)
 # app-misc/dtach is not keyworded, and tests are restricted anyway, so
 # no point in pursuing it right now.
 app-shells/bash-completion test
 
-# Mart Raudsepp <leio@g.o> (27 May 2017)
+# Mart Raudsepp <leio@g.o> (2017-05-27)
 # app-pda/libimobiledevice, app-pda/libplist and co not tested
 sys-power/upower ios
 gnome-base/gvfs ios
 
-# Mart Raudsepp <leio@g.o> (27 May 2017)
+# Mart Raudsepp <leio@g.o> (2017-05-27)
 # dev-libs/libgdata and net-libs/gnome-online-accounts not tested
 gnome-base/gvfs google
 
-# Jason Zaman <perfinion@g.o> (09 May 2017)
+# Jason Zaman <perfinion@g.o> (2017-05-09)
 # x11-libs/libXpresent is not keyworded on mips
 xfce-base/xfwm4 xpresent
 
-# Brian Dolbec <dolsen@g.o> (21 Mar 2017)
+# Brian Dolbec <dolsen@g.o> (2017-03-21)
 # This is masked as mongo-db needed for bson use flag
 # which is not keyworded on many arches.
 app-portage/g-sorcery bson
 
-# Mart Raudsepp <leio@g.o> (07 Feb 2017)
+# Mart Raudsepp <leio@g.o> (2017-02-07)
 # dev-python/gmpy fails tests about sizeof (conch), bug 608496
 # dev-python/attrs fails tests on slow mips, couldn't test service_identity test path (crypt), bug 608570
 # dev-python/gmpy also a test depend, so minimize the features until can test properly (http2 soap test)
 dev-python/twisted conch crypt http2 soap test
 
-# Felix Janda <felix.janda@××××××.de> (24 Sep 2016)
+# Felix Janda <felix.janda@××××××.de> (2016-09-24)
 # net-libs/libnetfilter_conntrack is not keyworded on mips
 net-dns/dnsmasq conntrack
 
-# Thomas Deutschmann <whissi@g.o> (23 Aug 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-08-23)
 # net-libs/openpgm is not keyworded on mips
 net-libs/zeromq pgm
 
-# Davide Pesavento <pesa@g.o> (26 Oct 2015)
+# Davide Pesavento <pesa@g.o> (2015-10-26)
 # Tests require non-keyworded qt5
 dev-qt/qtchooser test
 
-# Mike Frysinger <vapier@g.o> (10 Sep 2015)
+# Mike Frysinger <vapier@g.o> (2015-09-10)
 # Requires matplotlib which requires a bit more.
 dev-python/numpydoc test
 
-# Mikle Kolyada <zlogene@g.o> (12 Apr 2015)
+# Mikle Kolyada <zlogene@g.o> (2015-04-12)
 # GNOME Shell does not work on mips
 net-misc/wicd gnome-shell
 
-# Mike Frysinger <vapier@g.o> (16 Mar 2015)
+# Mike Frysinger <vapier@g.o> (2015-03-16)
 # Needs sci-physics/bullet tested #499974
 dev-libs/efl physics
 
-# Matthias Maier <tamiko@g.o> (24 Dec 2014)
+# Matthias Maier <tamiko@g.o> (2014-12-24)
 # sys-devel/clang is not keyworded
 app-doc/doxygen clang
 
-# Sergey Popov <pinkbyte@g.o> (02 Feb 2014)
+# Sergey Popov <pinkbyte@g.o> (2014-02-02)
 # media-gfx/nvidia-texture-tools is not keyworded on mips
 media-libs/devil	nvtt
 
-# Ryan Hill <dirtyepic@g.o> (07 Jan 2014)
+# Ryan Hill <dirtyepic@g.o> (2014-01-07)
 # req net-libs/webkit-gtk:2
 x11-libs/wxGTK webkit
 
-# Markos Chandras <hwoarang@g.o> (05 Jan 2014)
+# Markos Chandras <hwoarang@g.o> (2014-01-05)
 # Perl is heavily unkeyworded on MIPS. See 497068
 dev-vcs/git mediawiki mediawiki-experimental
 
-# Sergey Popov <pinkbyte@g.o> (02 Sep 2013)
+# Sergey Popov <pinkbyte@g.o> (2013-09-02)
 # Not tested
 media-libs/leptonica	webp
 app-text/tesseract	webp
 
-# Pacho Ramos <pacho@g.o> (01 Sep 2013)
+# Pacho Ramos <pacho@g.o> (2013-09-01)
 # CONFIG_AUDITSYSCALL=y is not implemented, bug #438368
 sys-auth/consolekit pam
 sys-auth/pambase consolekit
 
-# Richard Brown <rbrown@g.o> (21 Jan 2008)
+# Richard Brown <rbrown@g.o> (2008-01-21)
 # Needs dev-ruby/builder, which isn't keyworded
 dev-ruby/rubygems server
 
-# Wolfram Schlich <wschlich@g.o> (20 Nov 2007)
+# Wolfram Schlich <wschlich@g.o> (2007-11-20)
 # dependency can't be fulfilled at the moment
 net-im/mcabber otr
 
-# Jim Ramsay <lack@g.o> (7 Sep 2007)
+# Jim Ramsay <lack@g.o> (2007-09-07)
 # app-admin/gkrellm may pull in hddtemp, which is not yet available here
 app-admin/gkrellm hddtemp
 
-# Christian Heim <phreak@g.o> (07 Jul 2007)
+# Christian Heim <phreak@g.o> (2007-07-07)
 # virtual/mysql-5 not keyworded yet, still apr-util has the mips keyword.
 dev-libs/apr-util mysql
 
-# Stuart Longland <redhatter@g.o> (07 Sep 2007)
+# Stuart Longland <redhatter@g.o> (2007-09-07)
 # mplayer not tested with these flags yet.  I may remove these slowly as I test
 # more functions of mplayer.
 media-video/mplayer bidi bl cddb cdio cdparanoia cpudetection dga dv dvb enca joystick live mad openal pnm pvr radio rar rtc tga xinerama zoran
 
-# Steve Dibb <beandog@g.o> (01 Nov 2007)
+# Steve Dibb <beandog@g.o> (2007-11-01)
 # needs media-libs/ladspa-sdk keyworded
 media-video/mplayer ladspa
 
-# Richard Brown <rbrown@g.o> (23 Dec 2007)
+# Richard Brown <rbrown@g.o> (2007-12-23)
 # app-xemacs/ruby-modes is not keyworded on this arch
 dev-lang/ruby xemacs
 
-# Sebastian Pipping <sping@g.o> (27 Jan 2010)
+# Sebastian Pipping <sping@g.o> (2010-01-27)
 # dev-vcs/bzr is not keyworded on this arch
 # dev-vcs/darcs is not keyworded on this arch
 app-portage/layman bazaar
@@ -146,31 +146,31 @@ app-portage/layman darcs
 # deps missing keywords
 games-strategy/freeciv auth
 
-# Mart Raudsepp <leio@g.o> (27 Sept 2010)
+# Mart Raudsepp <leio@g.o> (2010-09-27)
 # Extra functionality that has external unkeyworded dependencies
 # and is not tested yet
 net-fs/samba ads cluster
 
-# Matt Turner <mattst88@g.o> (06 Dec 2010)
+# Matt Turner <mattst88@g.o> (2010-12-06)
 # dev-db/tokyocabinet not keyworded
 mail-client/mutt tokyocabinet
 
-# Matt Turner <mattst88@g.o> (26 Dec 2010)
+# Matt Turner <mattst88@g.o> (2010-12-26)
 # dev-lang/spidermonkey not keyworded
 www-client/elinks javascript
 
-# Matt Turner <mattst88@g.o> (26 Dec 2010)
+# Matt Turner <mattst88@g.o> (2010-12-26)
 # media-gfx/ufraw not keyworded
 media-gfx/imagemagick raw
 
-# Matt Turner <mattst88@g.o> (12 Jun 2011)
+# Matt Turner <mattst88@g.o> (2011-06-12)
 # dev-python/mysql-python not keyworded
 dev-vcs/mercurial bugzilla
 
-# Matt Turner <mattst88@g.o> (09 Feb 2012)
+# Matt Turner <mattst88@g.o> (2012-02-09)
 # dev-vcs/git[cgi] requires app-text/highlight which requires boost
 dev-vcs/git cgi
 
-# Matt Turner <mattst88@g.o> (09 Feb 2012)
+# Matt Turner <mattst88@g.o> (2012-02-09)
 # mips only use flags
 >=sci-libs/fftw-3 -zbus

diff --git a/profiles/arch/mips/use.mask b/profiles/arch/mips/use.mask
index 566152cb530..4e92f734c8d 100644
--- a/profiles/arch/mips/use.mask
+++ b/profiles/arch/mips/use.mask
@@ -4,52 +4,52 @@
 # Unmask the flag which corresponds to ARCH.
 -mips
 
-# Andreas Sturmlechner <asturm@g.o> (31 Mar 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-03-31)
 # sys-auth/elogind is not yet keyworded here. bug #681200
 elogind
 
-# Matt Turner <mattst88@g.o> (25 Mar 2018)
+# Matt Turner <mattst88@g.o> (2018-03-25)
 # Unmask systemd since it is keyworded here.
 -systemd
 
-# Mart Raudsepp <leio@g.o> (11 Feb 2018)
+# Mart Raudsepp <leio@g.o> (2018-02-11)
 # dev-util/valgrind is not keyworded here yet,
 # though the MIPS platform is supported upstream
 valgrind
 
-# Michał Górny <mgorny@g.o> (23 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-23)
 # net-misc/networkmanager is not keyworded here.
 networkmanager
 
-# Michał Górny <mgorny@g.o> (23 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-23)
 # sci-geosciences/gpsd is not keyworded here.
 gps
 
-# Brian Evans <grknight@g.o> (15 Jan 2018)
+# Brian Evans <grknight@g.o> (2018-01-15)
 # Mask tcmalloc as dev-util/google-perftools is unavailable
 tcmalloc
 
-# James Le Cuirot <chewi@g.o> (29 Jun 2017)
+# James Le Cuirot <chewi@g.o> (2017-06-29)
 # Unmask as this profile is big endian.
 -big-endian
 
-# Mart Raudsepp <leio@g.o> (27 May 2017)
+# Mart Raudsepp <leio@g.o> (2017-05-27)
 # media-libs/libmtp not tested
 mtp
 
-# Mart Raudsepp <leio@g.o> (27 May 2017)
+# Mart Raudsepp <leio@g.o> (2017-05-27)
 # net-libs/gnome-online-accounts not tested
 gnome-online-accounts
 
-# Mart Raudsepp <leio@g.o> (27 May 2017)
+# Mart Raudsepp <leio@g.o> (2017-05-27)
 # Keywords lost on net-fs/samba over time, use.mask until re-keyworded
 samba
 
-# Mart Raudsepp <leio@g.o> (07 Feb 2017)
+# Mart Raudsepp <leio@g.o> (2017-02-07)
 # dev-libs/libappindicator not tested
 ayatana
 
-# Anthony G. Basile <blueness@g.o> (01 Aug 2015)
+# Anthony G. Basile <blueness@g.o> (2015-08-01)
 # There is no luajit support on mips.  Bug #554376.
 luajittex
 
@@ -75,7 +75,7 @@ m17n-lib
 # Needs sci-mathematics/glpk.
 lpsol
 
-# Kacper Kowalik <xarthisius@g.o> (9 Aug 2010)
+# Kacper Kowalik <xarthisius@g.o> (2010-08-09)
 # cblas-external as virtual/cblas is also masked
 cblas-external
 
@@ -117,7 +117,7 @@ cdb
 # it holds up stablizing ntfsprogs
 fuse
 
-# 2006/03/07 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-03-07)
 # Modular X: mask for architectures lacking direct rendering
 dri
 
@@ -233,7 +233,7 @@ lirc
 smartcard
 
 #
-# Anthony G. Basile <blueness@g.o> (18 Jul 2012)
+# Anthony G. Basile <blueness@g.o> (2012-07-18)
 # php is an old mask which works now
 # pike is no longer a use flag
 #
@@ -249,50 +249,50 @@ timidity
 # We don't use smartcards, afaik
 pcsc-lite
 
-# Fernando J. Pereda <ferdy@g.o> (20 Mar 2007)
+# Fernando J. Pereda <ferdy@g.o> (2007-03-20)
 # New optional dependency of >=mail-client/mutt-1.5.14
 qdbm
 
-# Doug Goldstein <cardoe@g.o> (08 May 2007)
+# Doug Goldstein <cardoe@g.o> (2007-05-08)
 # no one in mips land has smartcard hardware to test with
 # see bug #162205 comment 10.
 smartcard
 openct
 
-# kumba (02 Jun 2007)
+# kumba (2007-06-02)
 # pulseaudio hasn't been tested on mips; maybe someday
 pulseaudio
 
-# kumba (01 Nov 2007)
+# kumba (2007-11-01)
 # mask ladspa USE
 # [22:30] <beandog> mips: plz to mask ladspa use flag
 ladspa
 
-# Matt Turner <mattst88@g.o> (13 Dec 2010)
+# Matt Turner <mattst88@g.o> (2010-12-13)
 # Dropping app-arch/rpm keywords, mask rpm USE accordingly
 rpm
 
-# Matt Turner <mattst88@g.o> (13 Dec 2010)
+# Matt Turner <mattst88@g.o> (2010-12-13)
 # We don't have net-libs/libsmi keyworded
 smi
 
-# Matt Turner <mattst88@g.o> (13 Dec 2010)
+# Matt Turner <mattst88@g.o> (2010-12-13)
 # We don't have sys-devel/llvm
 llvm
 
-# Matt Turner <mattst88@g.o (14 Jun 2011)
+# Matt Turner <mattst88@g.o (2011-06-14)
 # pdfannotextractor needs java
 pdfannotextractor
 
-# Matt Turner <mattst88@g.o> (11 Jul 2011)
+# Matt Turner <mattst88@g.o> (2011-07-11)
 # xemacs dependencies not keyworded
 xemacs
 
-# Matt Turner <mattst88@g.o> (11 Jul 2011)
+# Matt Turner <mattst88@g.o> (2011-07-11)
 # no native mips/linux code generation, see bug 319649
 ocamlopt
 
-# Michael Sterrett <mr_bones_@g.o> (24 Aug 2012)
+# Michael Sterrett <mr_bones_@g.o> (2012-08-24)
 # media-sound/fluidsynth isn't keyworded
 fluidsynth
 
@@ -300,10 +300,10 @@ fluidsynth
 -fixed-point
 -loongson2f
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (22 Aug 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-08-22)
 # virtual/opencl is not keyworded
 opencl
 
-# Ben de Groot <yngwin@g.o> (01 Feb 2015)
+# Ben de Groot <yngwin@g.o> (2015-02-01)
 # please remove when keyworded
 qt5

diff --git a/profiles/arch/powerpc/package.mask b/profiles/arch/powerpc/package.mask
index 5d6cd761d0e..34d8ca7e4c0 100644
--- a/profiles/arch/powerpc/package.mask
+++ b/profiles/arch/powerpc/package.mask
@@ -1,15 +1,15 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Brent Baude <ranger@g.o> (20 Nov 2012)
+# Brent Baude <ranger@g.o> (2012-11-20)
 # Masking kgcc64 now that toolchain is biarch
 sys-devel/kgcc64
 
-# Ben de Groot <yngwin@g.o> (2 Jun 2012)
+# Ben de Groot <yngwin@g.o> (2012-06-02)
 # Since there is no longer a working keyworded version of
 # media-video/smplayer (see bug 383945)
 x11-themes/smplayer-themes
 
-# Alexey Shvetsov <alexxy@g.o> (21 May 2012)
+# Alexey Shvetsov <alexxy@g.o> (2012-05-21)
 # Need deps pecl-apc and pecl-uploadprogress bug #416897
 >=www-apps/drupal-7.14

diff --git a/profiles/arch/powerpc/package.use b/profiles/arch/powerpc/package.use
index c2c9780861c..d4e9292c310 100644
--- a/profiles/arch/powerpc/package.use
+++ b/profiles/arch/powerpc/package.use
@@ -1,10 +1,10 @@
 # Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Luca Barbato <lu_zero@g.o> (12 Aug 2018)
+# Luca Barbato <lu_zero@g.o> (2018-08-12)
 # Default to PowerPC OpenFirmware
 sys-boot/grub:2 grub_platforms_ieee1275
 
-# Doug Goldstein <cardoe@g.o> (29 Oct 2012)
+# Doug Goldstein <cardoe@g.o> (2012-10-29)
 # Enable the native arch as the default qemu target
 app-emulation/qemu qemu_softmmu_targets_ppc

diff --git a/profiles/arch/powerpc/package.use.force b/profiles/arch/powerpc/package.use.force
index 511015cf60e..49779bebc86 100644
--- a/profiles/arch/powerpc/package.use.force
+++ b/profiles/arch/powerpc/package.use.force
@@ -1,22 +1,22 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Joonas Niilola <juippis@×××××.com> (12 Jan 2019)
+# Joonas Niilola <juippis@×××××.com> (2019-01-12)
 # Force 'unwind' on for ppc and ppc64 with dev-libs/efl
 # #668486, #657750
 dev-libs/efl unwind
 
-# Sergei Trofimovich <slyfox@g.o> (25 Dec 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-12-25)
 # Enable powerpc target by default.
 dev-lang/rust llvm_targets_PowerPC
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_PowerPC
 sys-devel/clang llvm_targets_PowerPC
 sys-devel/llvm llvm_targets_PowerPC
 
-# Kacper Kowalik <xarthisius@g.o> (16 Jan 2011)
+# Kacper Kowalik <xarthisius@g.o> (2011-01-16)
 # bug 303931
 # sci-chemistry/arp-warp-bin is not available for ppc
 # sci-chemistry/solve-resolve-bin is not available for ppc

diff --git a/profiles/arch/powerpc/package.use.mask b/profiles/arch/powerpc/package.use.mask
index fbcd0483d8b..eebe25bd660 100644
--- a/profiles/arch/powerpc/package.use.mask
+++ b/profiles/arch/powerpc/package.use.mask
@@ -1,141 +1,141 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Georgy Yakovlev <gyakovlev@g.o> (01 June 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-06-01)
 # not yet keyworded
 dev-java/openjdk javafx
 
-# Patrick McLean <chutzpah@g.o> (15 Apr 2019)
+# Patrick McLean <chutzpah@g.o> (2019-04-15)
 # deps not available on platform
 sys-cluster/ceph babeltrace lttng
 
-# Patrick McLean <chutzpah@g.o> (15 Apr 2019)
+# Patrick McLean <chutzpah@g.o> (2019-04-15)
 # pending re-keyword request, bug 615400
 net-analyzer/rrdtool rados
 sys-fs/multipath-tools rbd
 www-servers/uwsgi uwsgi_plugins_rados
 
-# Virgil Dupras <vdupras@g.o> (03 Mar 2019)
+# Virgil Dupras <vdupras@g.o> (2019-03-03)
 # Tests fail with jpeg2k flag. Bug #662686
 dev-python/pillow jpeg2k
 
-# Thomas Deutschmann <whissi@g.o> (26 Feb 2019)
+# Thomas Deutschmann <whissi@g.o> (2019-02-26)
 # nginx_modules_http_lua requires USE=luajit which requires
 # dev-lang/luajit which is not keyworded on PowerPC
 www-servers/nginx luajit nginx_modules_http_lua
 
-# Alon Bar-Lev <alonbl@g.o> (21 Dec 2018)
+# Alon Bar-Lev <alonbl@g.o> (2018-12-21)
 # Requires USE=dane that is masked in this profile.
 net-libs/gnutls test-full
 
-# Matthew Thode <prometheanfire@g.o> (12 Sep 2018)
+# Matthew Thode <prometheanfire@g.o> (2018-09-12)
 # dev-db/mariadb-connector-c not yet keyworded
 net-analyzer/icinga2 mariadb
 
-# Luca Barbato <lu_zero@g.o> (12 Aug 2018)
+# Luca Barbato <lu_zero@g.o> (2018-08-12)
 # grub pc is not supported on powerpc
 sys-boot/grub:2 grub_platforms_pc grub_platforms_efi-32 grub_platforms_efi-64 grub_platforms_xen
 
-# Luke Dashjr <luke-jr+gentoobugs@×××××××.org> (08 Jun 2018)
+# Luke Dashjr <luke-jr+gentoobugs@×××××××.org> (2018-06-08)
 # Requires unported sys-libs/netbsd-csu
 sys-devel/clang-runtime crt
 
-# Luke Dashjr <luke-jr+gentoobugs@×××××××.org> (08 Jun 2018)
+# Luke Dashjr <luke-jr+gentoobugs@×××××××.org> (2018-06-08)
 # sys-devel/llvmgold not yet keyworded
 sys-devel/llvm gold
 
-# Tomáš Mózes <hydrapolic@×××××.com> (05 Jun 2018)
+# Tomáš Mózes <hydrapolic@×××××.com> (2018-06-05)
 # Unkeyworded dependencies.
 app-admin/syslog-ng mongodb
 
-# Anthony G. Basile <blueness@g.o> (14 Apr 2018)
+# Anthony G. Basile <blueness@g.o> (2018-04-14)
 # net-vpn/tor, tests are broken on ppc/ppc64, bug #653098
 net-vpn/tor test
 
-# Sergei Trofimovich <slyfox@g.o> (27 Mar 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-03-27)
 # dev-qt/qtwebengine is not ported to powerpc
 net-irc/quassel urlpreview
 www-client/otter webengine
 
-# Matthias Maier <tamiko@g.o> (18 Mar 2018)
+# Matthias Maier <tamiko@g.o> (2018-03-18)
 # dev-libs/capstone not keyworded
 app-emulation/qemu capstone
 
-# Andreas Sturmlechner <asturm@g.o> (02 Mar 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-03-02)
 # Requires unkeyworded deps
 >=dev-python/ipython-5.4.1 qt5 smp
 
-# Amy Liffey <amynka@g.o (21 Jan 2018)
+# Amy Liffey <amynka@g.o (2018-01-21)
 # dev-libs/cereal not keyworded for ppc
 media-libs/opencv contrib_dnn
 
-# Robin H. Johnson <robbat2@g.o> (10 Nov 2017)
+# Robin H. Johnson <robbat2@g.o> (2017-11-10)
 # Masked for dependencies:
 # - bug #438780: sys-firmware/ipxe not buildable on PPC without cross-compiler
 app-emulation/qemu qemu_softmmu_targets_i386 qemu_softmmu_targets_x86_64
 # - media-libs/virglrenderer: pending keywording
 app-emulation/qemu virgl
 
-# Michael Palimaka <kensington@g.o> (30 Sep 2017)
+# Michael Palimaka <kensington@g.o> (2017-09-30)
 # Required dependencies are not keyworded.
 x11-themes/qtcurve plasma
 
-# Jonathan Scruggs <j.scruggs@×××××.com> (23 Sep 2017)
+# Jonathan Scruggs <j.scruggs@×××××.com> (2017-09-23)
 # dependencies not keyworded yet
 media-libs/openimageio field3d ptex
 
-# Arfrever Frehtes Taifersar Arahesis <arfrever.fta@×××××.com> (22 Aug 2017)
+# Arfrever Frehtes Taifersar Arahesis <arfrever.fta@×××××.com> (2017-08-22)
 # Dictionary Manager requires unkeyworded dev-qt/qtwebengine.
 app-i18n/fcitx-libpinyin dictionary-manager
 
-# Göktürk Yüksek <gokturk@g.o> (15 Aug 2017)
+# Göktürk Yüksek <gokturk@g.o> (2017-08-15)
 # Requires java
 app-forensics/sleuthkit java
 
-# Michał Górny <mgorny@g.o> (10 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-10)
 # Requires USE=ipmi which is masked in this profile.
 sys-power/nut ups_drivers_nut-ipmipsu
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Required VIDEO_CARDS=i965/radeonsi, both masked in this profile.
 media-libs/mesa vulkan vulkan-overlay
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=opencl that is masked in this profile.
 net-misc/bfgminer adl lm_sensors
 
-# Jason Zaman <perfinion@g.o> (09 May 2017)
+# Jason Zaman <perfinion@g.o> (2017-05-09)
 # x11-libs/libXpresent is not keyworded on ppc
 xfce-base/xfwm4 xpresent
 
-# Michael Weber <xmw@g.o> (06 Apr 2017)
+# Michael Weber <xmw@g.o> (2017-04-06)
 # mask unkeyworded dep pymongo -> mongodb
 app-portage/g-sorcery bson
 
-# Michał Górny <mgorny@g.o> (24 Mar 2017)
+# Michał Górny <mgorny@g.o> (2017-03-24)
 # libcxx fails to compile on ppc*, #595744.
 sys-devel/clang default-libcxx
 sys-devel/clang-runtime libcxx
 
-# Andreas Sturmlechner <asturm@g.o> (27 Feb 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-02-27)
 # Requires dev-qt/qtwebengine, not keyworded on ppc
 sci-geosciences/gpsbabel gui
 
-# James Le Cuirot <chewi@g.o> (14 Dec 2016)
+# James Le Cuirot <chewi@g.o> (2016-12-14)
 # DOSBox + OpenGLide is untested on this arch.
 games-emulation/dosbox glide
 
-# Thomas Deutschmann <whissi@g.o> (26 Aug 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-08-26)
 # Enable numa support on supported architectures
 dev-db/mysql -numa
 dev-db/percona-server -numa
 
-# Davide Pesavento <pesa@g.o> (28 Jul 2016)
+# Davide Pesavento <pesa@g.o> (2016-07-28)
 # The corresponding Qt5 modules are not keyworded on ppc, and we don't want to
 # keyword them solely because of PyQt5 while there are no other in-tree users.
 dev-python/PyQt5 bluetooth location networkauth webengine
 
-# Michael Palimaka <kensington@g.o> (07 Jul 2016)
+# Michael Palimaka <kensington@g.o> (2016-07-07)
 # Requires unkeyworded dependencies
 dev-vcs/subversion kwallet
 net-irc/quassel kde snorenotify
@@ -145,55 +145,55 @@ sys-block/gparted kde
 virtual/notification-daemon kde
 x11-wm/sawfish kde
 
-# Justin Lecher <jlec@g.o> (22 Feb 2016)
+# Justin Lecher <jlec@g.o> (2016-02-22)
 # Missing test deps keyword #575366
 dev-cpp/eigen test
 
-# Pacho Ramos <pacho@g.o> (15 Nov 2015)
+# Pacho Ramos <pacho@g.o> (2015-11-15)
 # Missing keywords
 media-sound/rhythmbox upnp-av
 
-# Pacho Ramos <pacho@g.o> (27 Oct 2015)
+# Pacho Ramos <pacho@g.o> (2015-10-27)
 # Missing keywords
 net-wireless/blueman appindicator
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (26 Oct 2015)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2015-10-26)
 # x11-drivers/xf86-video-amdgpu is not keyworded
 x11-base/xorg-drivers video_cards_amdgpu
 
-# Gilles Dartiguelongue <eva@g.o> (10 Jun 2015)
+# Gilles Dartiguelongue <eva@g.o> (2015-06-10)
 # net-libs/dleyna-connector-dbus lack ppc/ppc64 keyword, bug #551634
 >=media-plugins/grilo-plugins-0.2.14 upnp-av
 
-# Pacho Ramos <pacho@g.o> (15 May 2015)
+# Pacho Ramos <pacho@g.o> (2015-05-15)
 # Missing keywords
 net-dns/unbound dnstap
 
-# Markos Chandras <hwoarang@g.o> (18 Apr 2015)
+# Markos Chandras <hwoarang@g.o> (2015-04-18)
 # samba-4 not keyworded on ppc/ppc64
 sys-auth/sssd samba
 
-# Mike Frysinger <vapier@g.o> (16 Mar 2015)
+# Mike Frysinger <vapier@g.o> (2015-03-16)
 # Needs sci-physics/bullet & media-libs/libsdl2 tested #499974
 dev-libs/efl physics sdl
 
-# Andreas K. Huettel <dilfridge@g.o> (15 Feb 2015)
+# Andreas K. Huettel <dilfridge@g.o> (2015-02-15)
 # There's no keyworded office implementation anymore.
 gnome-extra/sushi office
 
-# Alexis Ballier <aballier@g.o> (11 Feb 2015)
+# Alexis Ballier <aballier@g.o> (2015-02-11)
 # Missing ffmpeg deps, bug #510340
 media-video/ffmpeg x265
 
-# Patrick Lauer <patrick@g.o> (10 Feb 2015)
+# Patrick Lauer <patrick@g.o> (2015-02-10)
 # Missing keywords for media-libs/x265
 media-video/libav x265
 
-# Markos Chandras <hwoarang@g.o> (07 Feb 2015)
+# Markos Chandras <hwoarang@g.o> (2015-02-07)
 # app-admin/cgmanager misses PPC/PPC64 keywords. Bug #539208
 app-emulation/lxc cgmanager
 
-# Mark Wright <gienah@g.o> (14-24 Dec 2014, 1 Apr 2015)
+# Mark Wright <gienah@g.o> (2014-12-14/2014-12-24, 2015-04-01)
 # test dependencies need keywording
 dev-haskell/binary test
 dev-haskell/dlist test
@@ -202,144 +202,144 @@ dev-haskell/text test
 dev-haskell/vector test
 dev-util/bnfc test
 
-# Anthony G. Basile <blueness@g.o> (17 Aug 2014)
+# Anthony G. Basile <blueness@g.o> (2014-08-17)
 # This pulls in qemu[smartcard] which is masked
 net-misc/spice-gtk smartcard
 
-# Anthony G. Basile <blueness@g.o> (16 Aug 2014)
+# Anthony G. Basile <blueness@g.o> (2014-08-16)
 # Ultimately pulls in nodejs which is broken.
 dev-ruby/sprockets test
 
-# Anthony G. Basile <blueness@g.o> (15 Aug 2014)
+# Anthony G. Basile <blueness@g.o> (2014-08-15)
 # Ultimately pulls in nodejs which is broken.
 dev-ruby/haml test
 
-# Anthony G. Basile <blueness@g.o> (14 Aug 2014)
+# Anthony G. Basile <blueness@g.o> (2014-08-14)
 # Mask these flags since mongodb is broken on ppc/ppc64
 dev-python/ipython doc matplotlib nbconvert notebook test
 
-# Anthony G. Basile <blueness@g.o> (12 Aug 2014)
+# Anthony G. Basile <blueness@g.o> (2014-08-12)
 # Ultimately pulls in nodejs which is broken.
 dev-ruby/actionpack test
 
-# Anthony G. Basile <blueness@g.o> (12 Aug 2014)
+# Anthony G. Basile <blueness@g.o> (2014-08-12)
 # Pulls in ceph which is broken.  Masked per dev-zero.
 sys-block/fio rbd
 
-# Andreas K. Huettel <dilfridge@g.o> (14 Jun 2014)
+# Andreas K. Huettel <dilfridge@g.o> (2014-06-14)
 # dependency sci-libs/vtk not keyworded on ppc yet
 media-libs/opencv vtk
 
-# Pacho Ramos <pacho@g.o> (22 Feb 2013)
+# Pacho Ramos <pacho@g.o> (2013-02-22)
 # Missing keywords, bug #495250
 >=gnome-base/gnome-extra-apps-3.10 tracker
 
-# Pacho Ramos <pacho@g.o> (10 Feb 2014)
+# Pacho Ramos <pacho@g.o> (2014-02-10)
 # Missing keywords, bug #495254
 >=dev-libs/totem-pl-parser-3.10 quvi
 
-# Pacho Ramos <pacho@g.o> (28 Nov 2013)
+# Pacho Ramos <pacho@g.o> (2013-11-28)
 # Missing keywords, bug #492820
 net-im/telepathy-connection-managers sipe
 
-# Pacho Ramos <pacho@g.o> (31 Oct 2013)
+# Pacho Ramos <pacho@g.o> (2013-10-31)
 # Missing keywords, bug #478254
 gnome-base/gnome classic extras
 
-# Mark Wright <gienah@g.o> (26 Oct 2013)
+# Mark Wright <gienah@g.o> (2013-10-26)
 # template-haskell not yet available
 dev-haskell/dataenc test
 
-# Agostino Sarubbo <ago@g.o> (24 Aug 2013)
+# Agostino Sarubbo <ago@g.o> (2013-08-24)
 # Klibc does not work anymore on ppc
 app-shells/mksh static
 
-# Pacho Ramos <pacho@g.o> (20 Jul 2013)
+# Pacho Ramos <pacho@g.o> (2013-07-20)
 # Keywords pending, bug #476710
 >=gnome-base/gnome-extra-apps-3.8 games
 
-# Agostino Sarubbo <ago@g.o> (23 Apr 2013)
+# Agostino Sarubbo <ago@g.o> (2013-04-23)
 # dev-db/spatialite fails to compile on ppc*
 sci-libs/gdal spatialite
 
-# Julian Ospald <hasufell@g.o> (31 Mar 2013)
+# Julian Ospald <hasufell@g.o> (2013-03-31)
 # depends on mono/monodevelop
 >=net-irc/hexchat-2.9.4-r1 theme-manager
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Jan 2013)
+# Alexandre Rostovtsev <tetromino@g.o> (2013-01-31)
 # remove mask when net-libs/libqmi is keyworded here
 net-misc/modemmanager qmi
 
-# Alexandre Rostovtsev <tetromino@g.o> (22 Jan 2013)
+# Alexandre Rostovtsev <tetromino@g.o> (2013-01-22)
 # remove mask if/when media-gfx/argyllcms is keywored here.
 x11-misc/colord argyllcms extra-print-profiles
 
-# Anthony G. Basile <blueness@g.o> (15 Nove 2012)
+# Anthony G. Basile <blueness@g.o> (2012-11-15)
 # Mask telepathy, no stable net-libs/telepathy-qt, bug #441456
 net-im/choqok telepathy
 
-# Robin H Johnson <robbat2@g.o> (01 Nov 2012)
+# Robin H Johnson <robbat2@g.o> (2012-11-01)
 # MySQL 5.5 wants systemtap, tcmalloc & jemalloc
 >=dev-db/mysql-5.5 tcmalloc
 >=dev-db/mariadb-5.5 tcmalloc
 >=dev-db/percona-server-5.5 tcmalloc
 
-# Samuli Suominen <ssuominen@g.o> (27 Sep 2012)
+# Samuli Suominen <ssuominen@g.o> (2012-09-27)
 # I don't want to open this can of worms yet. Feel free
 # to do so.
 dev-ruby/rack-test test
 
-# Anthony G. Basile <blueness@g.o> (21 Aug 2012)
+# Anthony G. Basile <blueness@g.o> (2012-08-21)
 # Does not work on ppc/ppc64
 net-vpn/tor tor-hardening
 
-# Pacho Ramos <pacho@g.o> (07 May 2012)
+# Pacho Ramos <pacho@g.o> (2012-05-07)
 # libhid is not keyworded
 app-misc/lcdproc hid lcd_devices_mdm166a
 
-# Brent Baude <ranger@g.o> (06 Mar 2012)
+# Brent Baude <ranger@g.o> (2012-03-06)
 # masking wimax use flag
 net-misc/connman ofono
 
-# Alexey Shvetsov <alexxy@g.o> (20 Jan 2012)
+# Alexey Shvetsov <alexxy@g.o> (2012-01-20)
 # Mask some use flags for openmpi due to unkeyworded deps
 sys-cluster/openmpi openmpi_fabrics_psm openmpi_fabrics_knem openmpi_fabrics_open-mx openmpi_fabrics_ofed openmpi_fabrics_dapl openmpi_rm_slurm openmpi_ofed_features_rdmacm openmpi_ofed_features_control-hdr-padding openmpi_ofed_features_connectx-xrc openmpi_ofed_features_udcm openmpi_ofed_features_dynamic-sl openmpi_ofed_features_failover
 
-# Kacper Kowalik <xarthisius@g.o> (20 Nov 2011)
+# Kacper Kowalik <xarthisius@g.o> (2011-11-20)
 # Dropped dietlibc wrt #364103
 sys-fs/dmraid dietlibc
 
-# Patrick McLean <chutzpah@g.o> (07 Sep 2011)
+# Patrick McLean <chutzpah@g.o> (2011-09-07)
 # missing keywords on dependencies
 media-video/x264-encoder ffmpegsource
 
-# Kacper Kowalik <xarthisius@g.o> (10 Aug 2011)
+# Kacper Kowalik <xarthisius@g.o> (2011-08-10)
 # mask cuda dep for opencv bug 365451
 media-libs/opencv cuda
 
-# Doug Goldstein <cardoe@g.o> (27 May 2011)
+# Doug Goldstein <cardoe@g.o> (2011-05-27)
 # app-emulation/spice, app-emulation/xen, and sys-cluster/ceph
 # are not keyworded. bug #368959
 # sys-apps/usbredir
 app-emulation/qemu     spice xen rbd usbredir
 
-# Kacper Kowalik <xarthisius@g.o> (16 Jan 2011)
+# Kacper Kowalik <xarthisius@g.o> (2011-01-16)
 # bug 350513, app-pda/jpilot is not keyworded
 mail-client/claws-mail pda
 
-# Sebastian Pipping <sping@g.o> (22 Feb 2011)
+# Sebastian Pipping <sping@g.o> (2011-02-22)
 # No media-sound/lilypond here, yet (bug #356069)
 app-text/asciidoc test
 
-# Justin Lecher <jlec@g.o> (01 Nov 2010)
+# Justin Lecher <jlec@g.o> (2010-11-01)
 # Deps not Keyworded
 sci-chemistry/apbs fetk iapbs python
 
-# Alexey Shvetsov <alexxy@g.o> (22 Aug 2010)
+# Alexey Shvetsov <alexxy@g.o> (2010-08-22)
 # sci-chemistry/msms not available for this arch
 sci-chemistry/vmd msms
 
-# Alexey Shvetsov <alexxy@g.o> (23 Feb 2010)
+# Alexey Shvetsov <alexxy@g.o> (2010-02-23)
 # media-gfx/tachyon needed to be keyworded per bug #306549
 sci-chemistry/vmd tachyon
 

diff --git a/profiles/arch/powerpc/package.use.stable.mask b/profiles/arch/powerpc/package.use.stable.mask
index 11e28692e36..4757780a00b 100644
--- a/profiles/arch/powerpc/package.use.stable.mask
+++ b/profiles/arch/powerpc/package.use.stable.mask
@@ -8,7 +8,7 @@
 #
 ## Example:
 ##
-## # Dev E. Loper <developer@g.o> (28 Jun 2012)
+## # Dev E. Loper <developer@g.o> (2012-06-28)
 ## # Masking foo USE flag until we can get the
 ## # foo stuff to work properly again (bug 12345)
 ## =media-video/mplayer-0.90_pre5 foo
@@ -17,67 +17,67 @@
 
 #--- END OF EXAMPLES ---
 
-# Andreas Sturmlechner <asturm@g.o> (02 Dec 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-12-02)
 # gnome-base/nautilus is not stable
 media-sound/easytag nautilus
 
-# Michał Górny <mgorny@g.o> (26 Aug 2018)
+# Michał Górny <mgorny@g.o> (2018-08-26)
 # Non-stable dependency.  Used to be masked completely.
 media-sound/abcde replaygain
 
-# Ulrich Müller <ulm@g.o> (09 Aug 2018)
+# Ulrich Müller <ulm@g.o> (2018-08-09)
 # Needs net-mail/mailutils and net-libs/webkit-gtk which are not
 # stable (yet?), bug #663248
 app-editors/emacs mailutils xwidgets
 
-# Andreas Sturmlechner <asturm@g.o> (20 Jun 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-06-20)
 # dev-python/PyQt5 is not stable.
 dev-python/matplotlib qt5 test
 media-sound/pulseaudio qt5
 net-print/hplip qt5
 
-# Andreas Sturmlechner <asturm@g.o> (15 Mar 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-03-15)
 # Requires media-libs/portmidi which is not stable
 media-sound/hydrogen portmidi
 
-# David Seifert <soap@g.o> (23 Sep 2017)
+# David Seifert <soap@g.o> (2017-09-23)
 # MPI does not have stable keywords on ppc/ppc64
 sci-libs/fftw mpi
 
-# Andreas Sturmlechner <asturm@g.o> (03 Sep 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-09-03)
 # Stable-masking mpi support so Boost stabilization can go ahead
 # Boost 1.63 (bug 624662), Boost 1.62 (bug 590244)
 dev-libs/boost mpi
 
-# Mikle Kolyada <zlogene@g.o> (25 Aug 2017)
+# Mikle Kolyada <zlogene@g.o> (2017-08-25)
 # ceph has never been stabilized under either ~ppc or ~ppc64
 sys-fs/multipath-tools rbd
 
-# Pacho Ramos <grknight@g.o> (01 Nov 2016)
+# Pacho Ramos <grknight@g.o> (2016-11-01)
 # Dependencies not going to stable for now
 dev-util/geany-plugins gtkspell
 
-# Pacho Ramos <grknight@g.o> (01 Nov 2016)
+# Pacho Ramos <grknight@g.o> (2016-11-01)
 # net-misc/libteam is now ~ppc ~ppc64
 net-misc/networkmanager teamd
 
-# Michael Palimaka <kensington@g.o> (21 Oct 2016)
+# Michael Palimaka <kensington@g.o> (2016-10-21)
 # Requires media-libs/opencv which is not stable
 media-plugins/frei0r-plugins facedetect
 media-video/vlc opencv
 
-# Michael Palimaka <kensington@g.o> (25 May 2016)
+# Michael Palimaka <kensington@g.o> (2016-05-25)
 # Dependencies not stable
 app-arch/p7zip kde
 dev-vcs/subversion kwallet
 x11-misc/xscreensaver new-login
 
-# Pacho Ramos <pacho@g.o> (06 Sep 2015)
+# Pacho Ramos <pacho@g.o> (2015-09-06)
 # webkit-gtk is going to stay in ~all but amd64/x86
 # that are the only arches upstream is taking care
 >=x11-libs/wxGTK-3.0.2.0-r1 webkit
 
-# Justin Lecher <jlec@g.o> (21 Feb 2015)
+# Justin Lecher <jlec@g.o> (2015-02-21)
 # Needs stable GNOME-3
 net-fs/netatalk tracker
 app-office/homebank ofx

diff --git a/profiles/arch/powerpc/packages b/profiles/arch/powerpc/packages
index 60557a8532f..896bc171404 100644
--- a/profiles/arch/powerpc/packages
+++ b/profiles/arch/powerpc/packages
@@ -4,7 +4,7 @@
 *sys-fs/hfsutils
 *sys-fs/hfsplusutils
 
-# Brent Baude <ranger@g.o> (29 Nov 2012)
+# Brent Baude <ranger@g.o> (2012-11-29)
 # Removing kgcc64 from system packages now that toolchain is biarch
 -*sys-devel/kgcc64
 

diff --git a/profiles/arch/powerpc/ppc32/make.defaults b/profiles/arch/powerpc/ppc32/make.defaults
index 0db98cc5fb7..de0dc3b76f4 100644
--- a/profiles/arch/powerpc/ppc32/make.defaults
+++ b/profiles/arch/powerpc/ppc32/make.defaults
@@ -13,15 +13,15 @@ CXXFLAGS="${CFLAGS}"
 FFLAGS="${CFLAGS}"
 FCFLAGS="${CFLAGS}"
 
-# 2006/08/18 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-08-18)
 # Defaults for video drivers
 VIDEO_CARDS="fbdev glint mga nv r128 radeon"
 
-# 2006/12/06 - Diego Pettenò <flameeyes@g.o>
+# Diego Pettenò <flameeyes@g.o> (2006-12-06)
 # Defaults for PowerPC sound driver
 ALSA_CARDS="aoa aoa-fabric-layout aoa-onyx aoa-soundbus aoa-soundbus-i2s aoa-tas aoa-toonie powermac usb-audio via82xx"
 
-# Michał Górny <mgorny@g.o> (27 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-27)
 # Multilib-related setup for compatibility with future multilib.
 ABI="ppc"
 DEFAULT_ABI="ppc"
@@ -29,7 +29,7 @@ MULTILIB_ABIS="ppc"
 CHOST_ppc="${CHOST}"
 LIBDIR_ppc="lib"
 
-# Michał Górny <mgorny@g.o> (27 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-27)
 # Make the ABI flag implicit for compatibility with native ebuilds.
 IUSE_IMPLICIT="abi_ppc_32"
 

diff --git a/profiles/arch/powerpc/ppc32/package.use.mask b/profiles/arch/powerpc/ppc32/package.use.mask
index 6ed43759c74..295c8a31662 100644
--- a/profiles/arch/powerpc/ppc32/package.use.mask
+++ b/profiles/arch/powerpc/ppc32/package.use.mask
@@ -1,40 +1,40 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Andreas Sturmlechner <asturm@g.o> (15 May 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-05-15)
 # sys-cluster/hpx, sci-libs/silo, sci-visualization/visit not keyworded
 sci-libs/libgeodecomp hpx silo visit
 
-# Andreas Sturmlechner <asturm@g.o> (16 Feb 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-02-16)
 # app-text/libwpd and app-text/libwpg are not keyworded
 media-gfx/inkscape cdr visio wpg
 
-# Matt Turner <mattst88@g.o> (07 Oct 2018)
+# Matt Turner <mattst88@g.o> (2018-10-07)
 # media-libs/x265[power8] fails to build on 32-bit ppc.
 media-libs/x265 power8
 
-# Mikle Kolyada <zlogene@g.o> (01 Sep 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-09-01)
 # The dependency is not keyworded
 net-analyzer/wireshark bcg729
 
-# Sergei Trofimovich <slyfox@g.o> (3 Oct 2017)
+# Sergei Trofimovich <slyfox@g.o> (2017-10-03)
 # Incomplete support, bug #605878.
 net-vpn/tor seccomp
 
-# Michał Górny <mgorny@g.o> (23 Mar 2017)
+# Michał Górny <mgorny@g.o> (2017-03-23)
 # Most of clang runtimes are not supported here
 sys-devel/clang-runtime openmp sanitize
 sys-libs/libcxx libcxxrt
 
-# Michael Weber <xmw@g.o> (15 Mar 2017)
+# Michael Weber <xmw@g.o> (2017-03-15)
 # Cannot test non-free dependency dev-libs/device-atlas-api-c
 net-proxy/haproxy device-atlas
 
-# Bernard Cafarelli <voyageur@g.o> <25 Jan 2017)
+# Bernard Cafarelli <voyageur@g.o> (2017-01-25)
 # Requires a Java dependency
 app-text/tesseract scrollview
 
-# Andreas K. Hüttel <dilfridge@g.o> (13 Dec 2016)
+# Andreas K. Hüttel <dilfridge@g.o> (2016-12-13)
 # Dropping ppc from sci-libs/armadillo, bug 555896
 sci-libs/gdal armadillo
 
@@ -42,53 +42,53 @@ sci-libs/gdal armadillo
 # sci-libs/gdal[mdb] requires dev-java/jackcess which is not keyworded
 sci-libs/gdal mdb
 
-# Michał Górny <mgorny@g.o> (18 Nov 2016)
+# Michał Górny <mgorny@g.o> (2016-11-18)
 # libomp does not support 32-bit PPC, #600148.
 sys-devel/clang-runtime openmp
 
-# Arfrever Frehtes Taifersar Arahesis <arfrever.fta@×××××.com> (01 Aug 2016)
+# Arfrever Frehtes Taifersar Arahesis <arfrever.fta@×××××.com> (2016-08-01)
 # kde-frameworks/*:5 not keyworded.
 net-irc/kvirc kde
 
-# Alexandre Rostovtsev <tetromino@g.o> (28 Jun 2016)
+# Alexandre Rostovtsev <tetromino@g.o> (2016-06-28)
 # Missing keywords on app-text/gspell - bug #587368
 >=app-editors/gedit-3.20 spell
 
-# James Le Cuirot <chewi@g.o> (30 Jan 2016)
+# James Le Cuirot <chewi@g.o> (2016-01-30)
 # scrollview requires Java, which is unsupported on ppc.
 app-text/tesseract scrollview
 
-# James Le Cuirot <chewi@g.o> (12 Jan 2015)
+# James Le Cuirot <chewi@g.o> (2015-01-12)
 # Java is no longer supported on ppc.
 app-text/texlive pdfannotextractor
 dev-lang/logtalk fop
 gnome-extra/libgda reports
 
-# Anthony G. Basile <blueness@g.o> (26 Oct 2015)
+# Anthony G. Basile <blueness@g.o> (2015-10-26)
 # Mask x265 on vlc for bug #564138
 # media-libs/dav1d is not yet keyworded
 media-video/vlc dav1d x265
 
-# Ben de Groot <yngwin@g.o> (20 Jul 2015)
+# Ben de Groot <yngwin@g.o> (2015-07-20)
 # missing keyword
 media-sound/audacity midi soundtouch
 
-# Pacho Ramos <pacho@g.o> (02 Jun 2015)
-# Missing keywords (02 Jun 2015)
+# Pacho Ramos <pacho@g.o> (2015-06-02)
+# Missing keywords (2015-06-02)
 net-misc/connman openconnect
 
-# Michał Górny <mgorny@g.o> (01 Mar 2015)
+# Michał Górny <mgorny@g.o> (2015-03-01)
 # pidgin-opensteamworks is only available for amd64, ppc32 and x86
 net-im/telepathy-connection-managers -steam
 
-# Pacho Ramos <pacho@g.o> (14 Jan 2015)
+# Pacho Ramos <pacho@g.o> (2015-01-14)
 # Missing keywords
 app-misc/workrave mate
 
-# Julian Ospald <hasufell@g.o> (23 Nov 2013)
+# Julian Ospald <hasufell@g.o> (2013-11-23)
 # FIXME: app-arch/innoextract not available under ppc yet
 games-fps/duke3d-data gog
 
-# Maciej Mrozowski <reavertm@g.o> (26 Jun 2010)
+# Maciej Mrozowski <reavertm@g.o> (2010-06-26)
 # Needs media-libs/simage keyworded, bug 325623
 media-libs/coin simage

diff --git a/profiles/arch/powerpc/ppc32/package.use.stable.mask b/profiles/arch/powerpc/ppc32/package.use.stable.mask
index 03a07acf658..7d88a804be4 100644
--- a/profiles/arch/powerpc/ppc32/package.use.stable.mask
+++ b/profiles/arch/powerpc/ppc32/package.use.stable.mask
@@ -8,7 +8,7 @@
 #
 ## Example:
 ##
-## # Dev E. Loper <developer@g.o> (28 Jun 2012)
+## # Dev E. Loper <developer@g.o> (2012-06-28)
 ## # Masking foo USE flag until we can get the
 ## # foo stuff to work properly again (bug 12345)
 ## =media-video/mplayer-0.90_pre5 foo
@@ -17,32 +17,32 @@
 
 #--- END OF EXAMPLES ---
 
-# Andreas Sturmlechner <asturm@g.o> (15 Aug 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-08-15)
 # media-libs/libsidplay:2 appears to be broken, bug #660288
 media-video/vlc sid
 
-# Andreas Sturmlechner <asturm@g.o> (12 Jun 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-06-12)
 # Requires not yet stable dev-qt/qtpositioning:5
 sci-astronomy/stellarium gps
 
-# Andreas Sturmlechner <asturm@g.o> (03 Jun 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-06-03)
 # Requires not yet stable dependencies
 sys-libs/gwenhywfar sensors serialport webkit
 
-# Andreas Sturmlechner <asturm@g.o> (03 Jun 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-06-03)
 # dev-qt/qtwebkit:5 is not stable.
 dev-qt/designer webkit
 
-# Michael Weber <xmw@g.o> (01 Mar 2017)
+# Michael Weber <xmw@g.o> (2017-03-01)
 # Mask until >sys-cluster/ceph-0.94 goes stable
 net-analyzer/rrdtool rados
 
-# Pacho Ramos <pacho@g.o> (15 May 2015)
+# Pacho Ramos <pacho@g.o> (2015-05-15)
 # Missing keywords
 net-misc/connman l2tp openconnect
 sci-libs/plplot ocaml
 
-# Pacho Ramos <pacho@g.o> (02 Jul 2014)
+# Pacho Ramos <pacho@g.o> (2014-07-02)
 # Mask due Gnome3 not going to be stabilized on this arch
 >=gnome-base/gnome-desktop-2.32.1-r2 license-docs
 gnome-base/gvfs google

diff --git a/profiles/arch/powerpc/ppc32/use.mask b/profiles/arch/powerpc/ppc32/use.mask
index 411b8f3b613..2d94ca9871a 100644
--- a/profiles/arch/powerpc/ppc32/use.mask
+++ b/profiles/arch/powerpc/ppc32/use.mask
@@ -1,20 +1,20 @@
 # Unmask the flag which corresponds to ARCH.
 -ppc
 
-# James Le Cuirot <chewi@g.o> (12 Jan 2015)
+# James Le Cuirot <chewi@g.o> (2015-01-12)
 # Java is no longer supported on ppc.
 java
 
-# Michał Górny <mgorny@g.o> (27 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-27)
 # Unmask multilib flag for the ABI.
 -abi_ppc_32
 
-# Andrey Grozin <grozin@g.o> (25 Jun 2014)
+# Andrey Grozin <grozin@g.o> (2014-06-25)
 # keyworded on ppc
 -clisp
 -ecls
 -sbcl
 
-# Pacho Ramos <pacho@g.o> (11 Sep 2013)
+# Pacho Ramos <pacho@g.o> (2013-09-11)
 # Unmask systemd since it is keyworded here.
 -systemd

diff --git a/profiles/arch/powerpc/ppc32/use.stable.mask b/profiles/arch/powerpc/ppc32/use.stable.mask
index 49f0bee80f6..bb884f654d2 100644
--- a/profiles/arch/powerpc/ppc32/use.stable.mask
+++ b/profiles/arch/powerpc/ppc32/use.stable.mask
@@ -1,18 +1,18 @@
-# Mike Gilbert <floppym@g.o> (08 Jun 2017)
+# Mike Gilbert <floppym@g.o> (2017-06-08)
 # dev-lang/python:3.7 is not stable.
 python_targets_python3_7
 python_single_target_python3_7
 
-# Mikle Kolyada <zlogene@g.o> (24 Apr 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-04-24)
 # no stable net-misc/aria2 on ppc
 aria2
 
-# Andrey Grozin <grozin@g.o> (25 Jun 2014)
+# Andrey Grozin <grozin@g.o> (2014-06-25)
 # no stable versions on ppc
 clisp
 ecls
 sbcl
 
-# Chí-Thanh Christopher Nguyễn (25 Mar 2014)
+# Chí-Thanh Christopher Nguyễn (2014-03-25)
 # appears to not work correctly since mesa-10
 opencl

diff --git a/profiles/arch/powerpc/ppc64/32ul/make.defaults b/profiles/arch/powerpc/ppc64/32ul/make.defaults
index 9865b69f345..116e08896a1 100644
--- a/profiles/arch/powerpc/ppc64/32ul/make.defaults
+++ b/profiles/arch/powerpc/ppc64/32ul/make.defaults
@@ -11,6 +11,6 @@ MULTILIB_ABIS="ppc"
 DEFAULT_ABI="ppc"
 ACCEPT_KEYWORDS="${ARCH} -ppc64"
 
-# Michał Górny <mgorny@g.o> (27 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-27)
 # Make the ABI flag implicit for compatibility with native ebuilds.
 IUSE_IMPLICIT="abi_ppc_32 -abi_ppc_64"

diff --git a/profiles/arch/powerpc/ppc64/32ul/package.use.mask b/profiles/arch/powerpc/ppc64/32ul/package.use.mask
index 8afd2a21b2d..7d4cd362a34 100644
--- a/profiles/arch/powerpc/ppc64/32ul/package.use.mask
+++ b/profiles/arch/powerpc/ppc64/32ul/package.use.mask
@@ -1,11 +1,11 @@
 # Copyright 1999-2019 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Andreas Sturmlechner <asturm@g.o> (09 Jun 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-06-09)
 # media-libs/dav1d is not yet keyworded
 media-video/vlc dav1d
 
-# Andreas Sturmlechner <asturm@g.o> (16 Feb 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-02-16)
 # app-text/libwpd and app-text/libwpg are not keyworded
 media-gfx/inkscape cdr visio wpg
 

diff --git a/profiles/arch/powerpc/ppc64/32ul/use.force b/profiles/arch/powerpc/ppc64/32ul/use.force
index 2516d63d66d..e7102de1a2d 100644
--- a/profiles/arch/powerpc/ppc64/32ul/use.force
+++ b/profiles/arch/powerpc/ppc64/32ul/use.force
@@ -4,7 +4,7 @@ ppc
 # Unforce the flag which corresponds to the 64-bit ARCH.
 -ppc64
 
-# Michał Górny <mgorny@g.o> (27 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-27)
 # Switch multilib flags for the ABI.
 -abi_ppc_64
 abi_ppc_32

diff --git a/profiles/arch/powerpc/ppc64/32ul/use.mask b/profiles/arch/powerpc/ppc64/32ul/use.mask
index e39345da96c..abf49705cc6 100644
--- a/profiles/arch/powerpc/ppc64/32ul/use.mask
+++ b/profiles/arch/powerpc/ppc64/32ul/use.mask
@@ -7,7 +7,7 @@ ppc64
 # We mask this since we're not really a multilib profile
 multilib
 
-# Michał Górny <mgorny@g.o> (27 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-27)
 # Switch multilib flags for the ABI.
 abi_ppc_64
 -abi_ppc_32

diff --git a/profiles/arch/powerpc/ppc64/64le/package.mask b/profiles/arch/powerpc/ppc64/64le/package.mask
index 300d9c0d786..401e1bd7c3b 100644
--- a/profiles/arch/powerpc/ppc64/64le/package.mask
+++ b/profiles/arch/powerpc/ppc64/64le/package.mask
@@ -1,16 +1,16 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Georgy Yakovlev <gyakovlev@g.o> (04 Feb 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-02-04)
 # AdoptOpenJDK's ppc64 build is little-endian only
 # so we can use bins and build from source
 -dev-java/openjdk:11
 -dev-java/openjdk-bin
 
-# Sergei Trofimovich <slyfox@g.o> (11 Apr 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-04-11)
 # ltrace is not ported to powerpc64le yet.
 dev-util/ltrace
 
-# Arfrever Frehtes Taifersar Arahesis <arfrever.fta@×××××.com> (21 Feb 2018)
+# Arfrever Frehtes Taifersar Arahesis <arfrever.fta@×××××.com> (2018-02-21)
 # Mozc supports only little-endian architectures.
 -app-i18n/mozc

diff --git a/profiles/arch/powerpc/ppc64/64le/use.mask b/profiles/arch/powerpc/ppc64/64le/use.mask
index b8ad07b24a5..32b75ae1b23 100644
--- a/profiles/arch/powerpc/ppc64/64le/use.mask
+++ b/profiles/arch/powerpc/ppc64/64le/use.mask
@@ -1,10 +1,10 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (29 Jun 2017)
+# James Le Cuirot <chewi@g.o> (2017-06-29)
 # Remask as this profile is little endian.
 big-endian
 
-# 2008/02/13 - Chris Gianelloni <wolf31o2@g.o>
+# Chris Gianelloni <wolf31o2@g.o> (2008-02-13)
 # Mask multilib, since we cannot use it.
 multilib

diff --git a/profiles/arch/powerpc/ppc64/64ul/package.mask b/profiles/arch/powerpc/ppc64/64ul/package.mask
index 01475dc0e25..576692d1d06 100644
--- a/profiles/arch/powerpc/ppc64/64ul/package.mask
+++ b/profiles/arch/powerpc/ppc64/64ul/package.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Georgy Yakovlev <gyakovlev@g.o> (01 Feb 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-02-01)
 # AdoptOpenJDK's ppc64 build is little-endian only so it's impossible
 # to build openjdk:11, but it's possible to build openjdk:8 with icedtea{,-bin}
 dev-java/openjdk:11

diff --git a/profiles/arch/powerpc/ppc64/64ul/package.use.mask b/profiles/arch/powerpc/ppc64/64ul/package.use.mask
index c29a27db6e7..3de03b9f1dc 100644
--- a/profiles/arch/powerpc/ppc64/64ul/package.use.mask
+++ b/profiles/arch/powerpc/ppc64/64ul/package.use.mask
@@ -1,14 +1,14 @@
 # Copyright 1999-2019 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Brian Evans <grknight@g.o> (23 Nov 2015)
+# Brian Evans <grknight@g.o> (2015-11-23)
 # unmask galera for dev-db/mariadb
 >=dev-db/mariadb-10.1.0 -galera
 
-# Brent Baude <ranger@g.o> (06 Jan 2010)
+# Brent Baude <ranger@g.o> (2010-01-06)
 # masking toolame for mplayer bug 280281
 media-video/mplayer toolame
 
-# Brent Baude <ranger@g.o> (31 Dec 2009)
+# Brent Baude <ranger@g.o> (2009-12-31)
 # Masking for bug 274847
 app-admin/conky apcupsd

diff --git a/profiles/arch/powerpc/ppc64/64ul/use.mask b/profiles/arch/powerpc/ppc64/64ul/use.mask
index 1ecc38c7b29..0cc7f9e27d9 100644
--- a/profiles/arch/powerpc/ppc64/64ul/use.mask
+++ b/profiles/arch/powerpc/ppc64/64ul/use.mask
@@ -1,14 +1,14 @@
 # Copyright 1999-2017 Gentoo Foundation; Distributed under the GPL v2
 
-# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (07 May 2017)
+# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (2017-05-07)
 # There is no luajit support on ppc64 userland. Bug #608326.
 luajit
 
-# Anthony G. Basile <blueness@g.o> (01 Aug 2015)
+# Anthony G. Basile <blueness@g.o> (2015-08-01)
 # There is no luajit support on ppc64 userland.  Bug #554376.
 luajittex
 
-# Jeroen Roovers <jer@g.o> (10 May 2015)
+# Jeroen Roovers <jer@g.o> (2015-05-10)
 # virtual/opencl requires media-libs/mesa[opencl] (bug #549096)
 opencl
 
@@ -16,11 +16,11 @@ opencl
 # Tom Gall <tgall@g.o> manages this list
 directfb
 
-# Agostino Sarubbo <ago@g.o> (22 Dec 2012)
+# Agostino Sarubbo <ago@g.o> (2012-12-22)
 # mask kde since is not anymore keyworded for ppc64
 kde
 
-# Kacper Kowalik <xarthisius@g.o> (10 Aug 2011)
+# Kacper Kowalik <xarthisius@g.o> (2011-08-10)
 # Masking frei0r wrt bug #365451
 frei0r
 
@@ -40,7 +40,7 @@ diet
 # we don't have hardware to test. also see bug #113398
 dvb
 
-# 2006/03/20 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-03-20)
 # Modular X: mask for architectures on which they aren't available
 video_cards_glint
 # llvm is not keyworded
@@ -52,7 +52,7 @@ netbeans
 # mask pcmcia (bug #131306)
 pcmcia
 
-# conky dependencies missing keywords related (dragonheart -20061112)
+# conky dependencies missing keywords related (dragonheart 2006-11-12)
 # media-sound/mpd
 mpd
 # app-admin/hddtemp
@@ -62,7 +62,7 @@ hddtemp
 -ibm
 
 # USE=audit masked prior to testing on alpha, arm, hppa, ppc64, s390, sh.
-# Bug #184563, 18 Sep 2007
+# Bug #184563, 2007-09-18
 # Robin H. Johnson <robbat2@g.o>
 audit
 
@@ -70,6 +70,6 @@ audit
 # no ghci - no TH
 template_haskell
 
-# 2008/02/13 - Chris Gianelloni <wolf31o2@g.o>
+# Chris Gianelloni <wolf31o2@g.o> (2008-02-13)
 # Mask multilib, since we cannot use it.
 multilib

diff --git a/profiles/arch/powerpc/ppc64/make.defaults b/profiles/arch/powerpc/ppc64/make.defaults
index 7f43ef6c488..0e1645fcff9 100644
--- a/profiles/arch/powerpc/ppc64/make.defaults
+++ b/profiles/arch/powerpc/ppc64/make.defaults
@@ -29,11 +29,11 @@ CFLAGS_ppc="-m32"
 LDFLAGS_ppc="-m elf32ppc"
 CHOST_ppc="powerpc-unknown-linux-gnu"
 
-# Michał Górny <mgorny@g.o> (27 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-27)
 # Make the ABI flag implicit for compatibility with native ebuilds.
 IUSE_IMPLICIT="abi_ppc_64"
 
-# 2006/08/18 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-08-18)
 # Defaults for video drivers
 VIDEO_CARDS="fbdev mga nv r128 radeon"
 

diff --git a/profiles/arch/powerpc/ppc64/package.mask b/profiles/arch/powerpc/ppc64/package.mask
index 333c0ac220c..35296d82609 100644
--- a/profiles/arch/powerpc/ppc64/package.mask
+++ b/profiles/arch/powerpc/ppc64/package.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Arfrever Frehtes Taifersar Arahesis <arfrever.fta@×××××.com> (21 Feb 2018)
+# Arfrever Frehtes Taifersar Arahesis <arfrever.fta@×××××.com> (2018-02-21)
 # Mozc supports only little-endian architectures.
 app-i18n/mozc

diff --git a/profiles/arch/powerpc/ppc64/package.use b/profiles/arch/powerpc/ppc64/package.use
index fff5ac35def..d7e7cc95282 100644
--- a/profiles/arch/powerpc/ppc64/package.use
+++ b/profiles/arch/powerpc/ppc64/package.use
@@ -1,6 +1,6 @@
 # Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Doug Goldstein <cardoe@g.o> (29 Oct 2012)
+# Doug Goldstein <cardoe@g.o> (2012-10-29)
 # Enable the native arch as the default qemu target
 app-emulation/qemu qemu_softmmu_targets_ppc64

diff --git a/profiles/arch/powerpc/ppc64/package.use.force b/profiles/arch/powerpc/ppc64/package.use.force
index 0e40400abb2..6e52657a4dd 100644
--- a/profiles/arch/powerpc/ppc64/package.use.force
+++ b/profiles/arch/powerpc/ppc64/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Samuli Suominen <ssuominen@g.o> (30 Oct 2012)
+# Samuli Suominen <ssuominen@g.o> (2012-10-30)
 # Only gnome-base/gdm has stable keywording. If x11-misc/lightdm or kde-plasma/kdm gets
 # stable keyword, this line can be removed.
 x11-misc/xscreensaver gdm

diff --git a/profiles/arch/powerpc/ppc64/package.use.mask b/profiles/arch/powerpc/ppc64/package.use.mask
index 64d42ce7da6..c59420246de 100644
--- a/profiles/arch/powerpc/ppc64/package.use.mask
+++ b/profiles/arch/powerpc/ppc64/package.use.mask
@@ -1,101 +1,101 @@
 # Copyright 1999-2019 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Thomas Deutschmann <whissi@g.o> (10 Dec 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-12-10)
 # dev-lang/luajit lacks ppc64 keyword. luajit upstream does not support ppc64
 net-analyzer/snort open-appid
 
-# Andreas Sturmlechner <asturm@g.o> (13 Mar 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-03-13)
 # missing keyword on media-libs/portmidi
 media-sound/hydrogen portmidi
 
-# Gilles Dartiguelongue <eva@g.o> (16 Aug 2017)
+# Gilles Dartiguelongue <eva@g.o> (2017-08-16)
 # missing keyword on dev-python/dbusmock, bug #620024
 >=gnome-base/gnome-settings-daemon-3.24 test
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # package.use.force forces USE=binary, and USE=debug requires !binary,
 # so it can never be enabled.
 sys-firmware/seabios debug
 
-# Michał Górny <mgorny@g.o> (28 Jun 2017)
+# Michał Górny <mgorny@g.o> (2017-06-28)
 # app-misc/dtach is not keyworded, and tests are restricted anyway, so
 # no point in pursuing it right now.
 app-shells/bash-completion test
 
-# Jeroen Roovers <jer@g.o> <16 Jan 2017>
+# Jeroen Roovers <jer@g.o> (2017-01-16)
 # Incomplete support, bug #605878.
 net-vpn/tor seccomp
 
-# Jeroen Roovers <jer@g.o> <5 Feb 2017>
+# Jeroen Roovers <jer@g.o> (2017-02-05)
 # media-libs/libilbc has not been ported to PPC64
 media-video/ffmpeg libilbc
 
-# Robin H. Johnson <robbat2@g.o> (18 Nov 2016)
+# Robin H. Johnson <robbat2@g.o> (2016-11-18)
 # dev-lang/luajit lacks ppc64 keyword. luajit upstream does not support ppc64
 dev-db/redis luajit
 
-# Arfrever Frehtes Taifersar Arahesis <arfrever.fta@×××××.com> (01 Aug 2016)
+# Arfrever Frehtes Taifersar Arahesis <arfrever.fta@×××××.com> (2016-08-01)
 # kde-frameworks/*:5 not keyworded.
 net-irc/kvirc kde
 app-arch/p7zip kde
 dev-vcs/subversion kwallet
 
-# Alexandre Rostovtsev <tetromino@g.o> (28 Jun 2016)
+# Alexandre Rostovtsev <tetromino@g.o> (2016-06-28)
 # Missing keywords on app-text/gspell - bug #587368
 >=app-editors/gedit-3.20 spell
 
-# Patrice Clement <monsieurp@g.o> (08 Feb 2016)
+# Patrice Clement <monsieurp@g.o> (2016-02-08)
 # I would need to keyword an awful lot of packages on ppc64
 # that would need Java 7 otherwise.
 dev-java/batik python
 dev-java/bsf python
 dev-java/ant-apache-bsf python
 
-# Jeroen Roovers <jer@g.o> (26 Dec 2015)
+# Jeroen Roovers <jer@g.o> (2015-12-26)
 # Mask until >sys-cluster/ceph-0.94 goes stable
 net-analyzer/rrdtool rados
 
-# Ben de Groot <yngwin@g.o> (20 Jul 2015)
+# Ben de Groot <yngwin@g.o> (2015-07-20)
 # missing keywords
 media-sound/audacity midi soundtouch
 
-# Matthias Maier <tamiko@g.o> (24 Dec 2014)
+# Matthias Maier <tamiko@g.o> (2014-12-24)
 # sys-devel/clang is not keyworded
 app-doc/doxygen clang
 
-# Michael Sterrett <mr_bones_@g.o (12 Nov 2013)
+# Michael Sterrett <mr_bones_@g.o (2013-11-12)
 # Mask openmedia use flag because the content generation tools
 # are missing keywords.
 games-simulation/openttd openmedia
 
-# Sergey Popov <pinkbyte@g.o> (18 Feb 2013)
+# Sergey Popov <pinkbyte@g.o> (2013-02-18)
 # sys-cluster/ploop can not be build on ppc64, bug #447644
 # Masking USE-dep on it
 sys-cluster/vzctl ploop
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # requires app-office/unoconv, which requires virtual/ooo, which is not
 # keyworded here. Remove mask if this situation changes.
 gnome-extra/sushi office
 
-# Kacper Kowalik <xarthisius@g.o> (02 Sep 2011)
+# Kacper Kowalik <xarthisius@g.o> (2011-09-02)
 # Mask www-client/seamonkey[ipc] on ppc64 wrt #381191
 www-client/seamonkey ipc
 
-# Kacper Kowalik <xarthisius@g.o> (30 May 2010)
+# Kacper Kowalik <xarthisius@g.o> (2010-05-30)
 # quesoglc is not keyworded
 x11-misc/rss-glx quesoglc
 
-# Brent Baude <ranger@g.o> (05 May 2009)
+# Brent Baude <ranger@g.o> (2009-05-05)
 # Masking webkit from  libproxy due to TOC failure on webkit
 # and stupid 64bit toolchain.
 net-libs/libproxy webkit
 
-# Brent Baude <ranger@g.o> (11 June 2008)
+# Brent Baude <ranger@g.o> (2008-06-11)
 # Masking out passwdqc from pambase since passwdqc
 sys-auth/pambase passwdqc
 
-# Joseph Jezak <josejx@g.o> (12 February 2010)
+# Joseph Jezak <josejx@g.o> (2010-02-12)
 # Mask unstable pidgin deps until we can mark them stable (farsight2)
 net-im/pidgin gstreamer

diff --git a/profiles/arch/powerpc/ppc64/package.use.stable.mask b/profiles/arch/powerpc/ppc64/package.use.stable.mask
index 227a18b8cdb..da9e73ecf4a 100644
--- a/profiles/arch/powerpc/ppc64/package.use.stable.mask
+++ b/profiles/arch/powerpc/ppc64/package.use.stable.mask
@@ -8,7 +8,7 @@
 #
 ## Example:
 ##
-## # Dev E. Loper <developer@g.o> (28 Jun 2012)
+## # Dev E. Loper <developer@g.o> (2012-06-28)
 ## # Masking foo USE flag until we can get the
 ## # foo stuff to work properly again (bug 12345)
 ## =media-video/mplayer-0.90_pre5 foo
@@ -17,15 +17,15 @@
 
 #--- END OF EXAMPLES ---
 
-# Andreas Sturmlechner <asturm@g.o> (09 Jun 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-06-09)
 # media-libs/dav1d is not stable yet
 ~media-video/vlc-3.0.6 dav1d
 
-# Andreas Sturmlechner <asturm@g.o> (16 Feb 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-02-16)
 # app-text/libwpd and app-text/libwpg are not stable
 media-gfx/inkscape cdr visio wpg
 
-# Pacho Ramos <pacho@g.o> (02 Jul 2014)
+# Pacho Ramos <pacho@g.o> (2014-07-02)
 # Mask due Gnome3 not going to be stabilized on this arch
 >=gnome-base/gnome-desktop-2.32.1-r2 license-docs
 gnome-base/gvfs google

diff --git a/profiles/arch/powerpc/ppc64/use.mask b/profiles/arch/powerpc/ppc64/use.mask
index 3490fa2ef49..054b98cdaca 100644
--- a/profiles/arch/powerpc/ppc64/use.mask
+++ b/profiles/arch/powerpc/ppc64/use.mask
@@ -1,19 +1,19 @@
 ### THIS FILE IS ONLY FOR PACKAGES MASKED ON BOTH 64-BIT AND 32-BIT USERLAND!!!
 
-# Michał Górny <mgorny@g.o> (27 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-27)
 # Unmask multilib flag for the ABI.
 -abi_ppc_64
 
-# Samuli Suominen <ssuominen@g.o> (24 Nov 2012)
+# Samuli Suominen <ssuominen@g.o> (2012-11-24)
 # TODO: Keyword and stabilize media-gfx/opencolorio and media-libs/opencv
 color-management
 opencv
 
-# Brent Baude <ranger@g.o> (3 Oct 2008)
+# Brent Baude <ranger@g.o> (2008-10-03)
 # Masking xindy use flag for ppc64
 xindy
 
-# 01 Oct 2008   Brent Baude <ranger@g.o>
+# Brent Baude <ranger@g.o> (2008-10-01)
 # # Masking battery USE for bug 238770
 battery
 
@@ -26,6 +26,6 @@ battery
 # mask custom-cpuopts and cpudetection on ppc64 for mplayer - bug #234629
 cpudetection
 
-# Michał Górny <mgorny@g.o> (4 May 2013)
+# Michał Górny <mgorny@g.o> (2013-05-04)
 # Unmask systemd since it is keyworded here.
 -systemd

diff --git a/profiles/arch/powerpc/ppc64/use.stable.mask b/profiles/arch/powerpc/ppc64/use.stable.mask
index a47ca75152f..5ba9da7bc57 100644
--- a/profiles/arch/powerpc/ppc64/use.stable.mask
+++ b/profiles/arch/powerpc/ppc64/use.stable.mask
@@ -4,7 +4,7 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
-# Mike Gilbert <floppym@g.o> (08 Jun 2017)
+# Mike Gilbert <floppym@g.o> (2017-06-08)
 # dev-lang/python:3.7 is not stable.
 python_targets_python3_7
 python_single_target_python3_7

diff --git a/profiles/arch/powerpc/use.mask b/profiles/arch/powerpc/use.mask
index 3538982d4c7..c104292e834 100644
--- a/profiles/arch/powerpc/use.mask
+++ b/profiles/arch/powerpc/use.mask
@@ -4,11 +4,11 @@
 # PPC Specific use flags
 #
 
-# Matt Turner <mattst88@g.o> (18 Sep 2018)
+# Matt Turner <mattst88@g.o> (2018-09-18)
 # sci-libs/coinor-mp is not keyworded
 coinmp
 
-# Michał Górny <mgorny@g.o> (16 Jul 2018)
+# Michał Górny <mgorny@g.o> (2018-07-16)
 # Python 3.7 support requires fresh versions of packages which are stuck
 # at keywordreqs.
 # bug #661306: dev-python/pytest
@@ -16,40 +16,40 @@ coinmp
 python_targets_python3_7
 python_single_target_python3_7
 
-# Sergei Trofimovich <slyfox@g.o> (18 Mar 20180)
+# Sergei Trofimovich <slyfox@g.o> (2018-03-18)
 # mongodb is not keyworded on ppc/ppc64 (broken)
 mongodb
 
-# David Seifert <soap@g.o> (08 Jul 2017)
+# David Seifert <soap@g.o> (2017-07-08)
 # Games are not keyworded anymore on ppc
 fortune
 nagios-game
 physfs
 
-# James Le Cuirot <chewi@g.o> (29 Jun 2017)
+# James Le Cuirot <chewi@g.o> (2017-06-29)
 # Unmask as this profile is big endian.
 -big-endian
 
-# Matt Turner <mattst88@g.o> (24 Mar 2017)
+# Matt Turner <mattst88@g.o> (2017-03-24)
 # virtual/opencl is not keyworded
 opencl
 
-# Matt Turner <mattst88@g.o> (24 Mar 2017)
+# Matt Turner <mattst88@g.o> (2017-03-24)
 # We don't have sys-devel/llvm
 llvm
 video_cards_amdgpu
 video_cards_radeonsi
 clang
 
-# Jeroen Roovers <jer@g.o> (22 Sep 2015)
+# Jeroen Roovers <jer@g.o> (2015-09-22)
 # sci-libs/mkl is not supported on PPC
 mkl
 
-# Jeroen Roovers <jer@g.o> (25 May 2015)
+# Jeroen Roovers <jer@g.o> (2015-05-25)
 # PowerPC has no support for this bootloader (bug #550322)
 gnuefi
 
-# Patrick Lauer <patrick@g.o> (28 Apr 2015)
+# Patrick Lauer <patrick@g.o> (2015-04-28)
 # dependencies not keyworded yet
 ayatana
 
@@ -77,7 +77,7 @@ xvmc
 cg
 # dmi depends on PC BIOSes, we don't have those
 dmi
-#2006/10/11 - corsair - bug #150925
+# 2006-10-11 - corsair - bug #150925
 lcd_devices_graphlcd
 # Masked vaapi for PowerPC until it works on hardware available to PowerPC users (cell, etc.)
 vaapi
@@ -97,7 +97,7 @@ mbrola
 -input_devices_synaptics
 -input_devices_wacom
 
-# Diego Pettenò <flameeyes@g.o> (6 Dec 2006)
+# Diego Pettenò <flameeyes@g.o> (2006-12-06)
 # Mask ALSA drivers for ISA cards
 alsa_cards_msnd-pinnacle
 alsa_cards_sb16
@@ -105,11 +105,11 @@ alsa_cards_sbawe
 alsa_cards_sscape
 alsa_cards_wavefront
 
-# George Shapovalov <george@g.o> (8 Apr 2007)
+# George Shapovalov <george@g.o> (2007-04-08)
 # supported on ppc
 -ada
 
-# Joseph Jezak <josejx@g.o> (28 Jun 2007)
+# Joseph Jezak <josejx@g.o> (2007-06-28)
 # Masked Parallel LCD devices for bug #180683
 # app-misc/lcd4linux
 lcd_devices_lph7508
@@ -127,24 +127,24 @@ lcd_devices_t6963
 ipod
 ios
 
-# Christian Faulhammer <fauli@g.o> (01 Nov 2010)
+# Christian Faulhammer <fauli@g.o> (2010-11-01)
 # app-misc/lirc fails to compile on PPC64, see bug 275872 for example
-# Samuli Suominen <ssuominen@g.o> (03 Nov 2010)
+# Samuli Suominen <ssuominen@g.o> (2010-11-03)
 # and it's also masked in arch/powerpc/ppc64/32ul/package.mask
 lirc
 
-# Kacper Kowalik <xarthisius@g.o> (26 Jul 2011)
+# Kacper Kowalik <xarthisius@g.o> (2011-07-26)
 # ppc keywords were dropped for dev-libs/prelude
 prelude
 
-# Julian Ospald <hasufell@g.o> (25 Apr 2012)
+# Julian Ospald <hasufell@g.o> (2012-04-25)
 # Masked because nvidia-texture-tools is not (tested) for PowerPC
 nvtt
 
 # fdk-aac is already keyworded here
 -fdk
 
-# Pacho Ramos <pacho@g.o> (08 Jan 2014)
+# Pacho Ramos <pacho@g.o> (2014-01-08)
 # Unmask systemd since it is keyworded here.
 -systemd
 

diff --git a/profiles/arch/powerpc/use.stable.mask b/profiles/arch/powerpc/use.stable.mask
index dcbceb3527b..c53ac99eac1 100644
--- a/profiles/arch/powerpc/use.stable.mask
+++ b/profiles/arch/powerpc/use.stable.mask
@@ -4,15 +4,15 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
-# Andreas Sturmlechner <asturm@g.o> (31 Mar 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-03-31)
 # sys-auth/elogind not stable yet. bug #682158
 elogind
 
-# Matt Turner <mattst88@g.o> (25 Apr 2018)
+# Matt Turner <mattst88@g.o> (2018-04-25)
 # Dropped stable keywords
 octave
 
-# Pacho Ramos <pacho@g.o> (17 Apr 2014)
+# Pacho Ramos <pacho@g.o> (2014-04-17)
 # Dropped stable keywords after the discussion caused by
 # Gnome 3.8/3.10 stabilization on this arch
 colord

diff --git a/profiles/arch/s390/make.defaults b/profiles/arch/s390/make.defaults
index 7b0fad9d648..ae0d0d397e8 100644
--- a/profiles/arch/s390/make.defaults
+++ b/profiles/arch/s390/make.defaults
@@ -20,7 +20,7 @@ LIBDIR_s390="lib"
 INPUT_DEVICES="void"
 VIDEO_CARDS="dummy"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Make the native ABI implicit so that MULTILIB_USEDEP can be satisfied
 # by non-multilib ebuilds when non-native ABIs are disabled.
 IUSE_IMPLICIT="abi_s390_32"

diff --git a/profiles/arch/s390/package.use.force b/profiles/arch/s390/package.use.force
index bb8eae84de6..7d7cebc771a 100644
--- a/profiles/arch/s390/package.use.force
+++ b/profiles/arch/s390/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Mike Frysinger <vapier@g.o> (09 Dec 2016)
+# Mike Frysinger <vapier@g.o> (2016-12-09)
 # The ABI changes when the flag is disabled.  Force it for now.
 # https://gmplib.org/list-archives/gmp-bugs/2016-December/004039.html
 dev-libs/gmp asm

diff --git a/profiles/arch/s390/package.use.mask b/profiles/arch/s390/package.use.mask
index a8c3ad7e104..413a3a14b04 100644
--- a/profiles/arch/s390/package.use.mask
+++ b/profiles/arch/s390/package.use.mask
@@ -1,11 +1,11 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Hans de Graaff <graaff@g.o> (08 Apr 2019)
+# Hans de Graaff <graaff@g.o> (2019-04-08)
 # Obsolete ruby version, no newer versions keyworded or stable.
 dev-vcs/subversion ruby
 
-# Mikle Kolyada <zlogene@g.o> (03 Jun 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-06-03)
 # Not tested
 app-crypt/pinentry fltk
 dev-python/cssselect doc
@@ -31,64 +31,64 @@ app-arch/rpm test
 net-analyzer/rrdtool rados
 
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Required VIDEO_CARDS=i965/radeonsi, both masked in this profile.
 media-libs/mesa vulkan vulkan-overlay
 
-# Robin H. Johnson <robbat2@g.o> (05 Aug 2017)
+# Robin H. Johnson <robbat2@g.o> (2017-08-05)
 # Upstream Git is switching to PCRE2 w/ JIT.
 # This is not available on some arches, where a fallback to PCRE1 without JIT is used.
 dev-vcs/git pcre-jit
 
-# Lars Wendler <polynomial-c@g.o> (17 Nov 2016)
+# Lars Wendler <polynomial-c@g.o> (2016-11-17)
 # jit not supported on ia64 (bug #600052).
 dev-libs/libpcre2 jit
 
-# Sergey Popov <pinkbyte@g.o> (24 Oct 2015)
+# Sergey Popov <pinkbyte@g.o> (2015-10-24)
 # Not tested
 net-mail/dovecot lz4
 
-# Mike Frysinger <vapier@g.o> (16 Mar 2015)
+# Mike Frysinger <vapier@g.o> (2015-03-16)
 # Needs sci-physics/bullet tested #499974
 dev-libs/efl physics
 
-# Sergey Popov <pinkbyte@g.o> (18 Feb 2015)
+# Sergey Popov <pinkbyte@g.o> (2015-02-18)
 # Not tested
 app-portage/layman g-sorcery
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (16 Sep 2014)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2014-09-16)
 # Needs libepoxy keywording, bug #510940
 x11-base/xorg-server glamor wayland
 x11-drivers/xf86-video-ati glamor
 
-# Mikle Kolyada <zlogene@g.o> (11 Jan 2014)
+# Mikle Kolyada <zlogene@g.o> (2014-01-11)
 # too much unkeyworded dependencies (bug #497068)
 dev-vcs/git mediawiki mediawiki-experimental
 
-# Agostino Sarubbo <ago@g.o< (10 Apr 2013)
+# Agostino Sarubbo <ago@g.o< (2013-04-10)
 # It requires too much unstable dep.
 x11-libs/gtk+ colord
 
-# Justin Lecher <jlec@g.o> (09 Jan 2013)
+# Justin Lecher <jlec@g.o> (2013-01-09)
 # x11-base/xorg-server[xvfb] is not keyworded
 dev-lang/tk test
 
-# Raúl Porcel <armin76@g.o> (05 Nov 2011)
+# Raúl Porcel <armin76@g.o> (2011-11-05)
 # jit not supported on s390
 dev-libs/libpcre jit
 
-# Sebastian Pipping <sping@g.o> (22 Feb 2011)
+# Sebastian Pipping <sping@g.o> (2011-02-22)
 # No media-sound/lilypond here, yet (bug #356069)
 app-text/asciidoc test
 
-# Raúl Porcel <armin76@g.o> (27 Mar 2008)
+# Raúl Porcel <armin76@g.o> (2008-03-27)
 # Needs gtk USE-flag
 net-dns/avahi python
 
 # missing keyword for sys-cluster/openmpi sys-cluster/mpich2
 dev-libs/boost mpi
 
-# Robin H Johnson <robbat2@g.o> (01 Nov 2012)
+# Robin H Johnson <robbat2@g.o> (2012-11-01)
 # MySQL 5.5 wants systemtap, tcmalloc & jemalloc
 >=dev-db/mysql-5.5 tcmalloc
 >=dev-db/mariadb-5.5 tcmalloc

diff --git a/profiles/arch/s390/s390x/make.defaults b/profiles/arch/s390/s390x/make.defaults
index 69f466a272e..1cb8ff7551a 100644
--- a/profiles/arch/s390/s390x/make.defaults
+++ b/profiles/arch/s390/s390x/make.defaults
@@ -7,7 +7,7 @@ ABI="${DEFAULT_ABI}"
 
 CHOST="s390x-ibm-linux-gnu"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Make the native ABI implicit so that MULTILIB_USEDEP can be satisfied
 # by non-multilib ebuilds when non-native ABIs are disabled.
 IUSE_IMPLICIT="abi_s390_64 -abi_s390_32"

diff --git a/profiles/arch/s390/s390x/package.use.force b/profiles/arch/s390/s390x/package.use.force
index 1c07ebd158c..577dcc99cc0 100644
--- a/profiles/arch/s390/s390x/package.use.force
+++ b/profiles/arch/s390/s390x/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (11 Nov 2016)
+# Michał Górny <mgorny@g.o> (2016-11-11)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_SystemZ
 sys-devel/clang llvm_targets_SystemZ

diff --git a/profiles/arch/s390/use.mask b/profiles/arch/s390/use.mask
index 04e1680cc27..78f206bc291 100644
--- a/profiles/arch/s390/use.mask
+++ b/profiles/arch/s390/use.mask
@@ -7,11 +7,11 @@
 # Unmask ABI flags for this arch.
 -abi_s390_32
 
-# Andreas Sturmlechner <asturm@g.o> (31 Mar 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-03-31)
 # sys-auth/elogind is not yet keyworded here. bug #681200
 elogind
 
-# Michał Górny <mgorny@g.o> (16 Jul 2018)
+# Michał Górny <mgorny@g.o> (2018-07-16)
 # Python 3.7 support requires fresh versions of packages which are stuck
 # at keywordreqs.
 # bug #661306: dev-python/pytest
@@ -19,7 +19,7 @@ elogind
 python_targets_python3_7
 python_single_target_python3_7
 
-# James Le Cuirot <chewi@g.o> (29 Jun 2017)
+# James Le Cuirot <chewi@g.o> (2017-06-29)
 # Unmask as this profile is big endian.
 -big-endian
 
@@ -114,7 +114,7 @@ video_cards_r600
 video_cards_radeon
 video_cards_radeonsi
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (22 Aug 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-08-22)
 # virtual/opencl is not keyworded
 opencl
 

diff --git a/profiles/arch/sh/make.defaults b/profiles/arch/sh/make.defaults
index 63cf388187d..2464bab3c5c 100644
--- a/profiles/arch/sh/make.defaults
+++ b/profiles/arch/sh/make.defaults
@@ -12,7 +12,7 @@ CXXFLAGS="${CFLAGS}"
 FFLAGS="${CFLAGS}"
 FCFLAGS="${CFLAGS}"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Set ABI & DEFAULT_ABI consistently with ${ARCH}, to make ebuild
 # checks simpler.
 ABI="sh"
@@ -21,7 +21,7 @@ MULTILIB_ABIS="sh"
 CHOST_sh="${CHOST}"
 LIBDIR_sh="lib"
 
-# Jorge Manuel B. S. Vicetto <jmbsvicetto@g.o> (16 Nov 2011)
+# Jorge Manuel B. S. Vicetto <jmbsvicetto@g.o> (2011-11-16)
 # Rename STAGE1_USE to BOOTSTRAP_USE and stack it to the parent value
 # We need to disable ssp.
 BOOTSTRAP_USE="${BOOTSTRAP_USE} nossp"

diff --git a/profiles/arch/sh/package.use.mask b/profiles/arch/sh/package.use.mask
index 1ca4ce6f694..61a2417200c 100644
--- a/profiles/arch/sh/package.use.mask
+++ b/profiles/arch/sh/package.use.mask
@@ -1,69 +1,69 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Hans de Graaff <graaff@g.o> (08 Apr 2019)
+# Hans de Graaff <graaff@g.o> (2019-04-08)
 # Obsolete ruby version, no newer versions keyworded or stable.
 dev-vcs/subversion ruby
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Required VIDEO_CARDS=i965/radeonsi, both masked in this profile.
 media-libs/mesa vulkan vulkan-overlay
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=seccomp that is masked in this profile.
 net-libs/gnutls test-full
 
-# Michał Górny <mgorny@g.o> (07 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-07)
 # Requires USE=bluetooth that is masked in this profile.
 media-sound/pulseaudio native-headset ofono-headset
 
-# Matt Turner <mattst88@g.o> (25 Feb 2017)
+# Matt Turner <mattst88@g.o> (2017-02-25)
 # Needs libepoxy keywording, bug #510940
 x11-base/xorg-server glamor wayland
 x11-drivers/xf86-video-ati glamor
 
-# Sergey Popov <pinkbyte@g.o> (24 Oct 2015)
+# Sergey Popov <pinkbyte@g.o> (2015-10-24)
 # Not tested
 net-mail/dovecot lz4
 
-# Mike Frysinger <vapier@g.o> (16 Mar 2015)
+# Mike Frysinger <vapier@g.o> (2015-03-16)
 # Needs sci-physics/bullet tested #499974
 dev-libs/efl physics
 
-# Brian Evans <grknight@g.o> (03 Jun 2014)
+# Brian Evans <grknight@g.o> (2014-06-03)
 # unkeworded dependencies (bug #429708)
 >=dev-db/mysql-5.5 jemalloc
 >=dev-db/mariadb-5.5 jemalloc
 
-# Mikle Kolyada <zlogene@g.o> (11 Jan 2014)
+# Mikle Kolyada <zlogene@g.o> (2014-01-11)
 # too much unkeyworded dependencies (bug #497068)
 dev-vcs/git mediawiki mediawiki-experimental
 
-# Raúl Porcel <armin76@g.o> (28 May 2012)
+# Raúl Porcel <armin76@g.o> (2012-05-28)
 # Needs x11-misc/lightdm(which also requires some other deps)
 x11-misc/xscreensaver new-login
 
-# Raúl Porcel <armin76@g.o> (05 Nov 2011)
+# Raúl Porcel <armin76@g.o> (2011-11-05)
 # jit not supported on sh
 dev-libs/libpcre jit
 
-# Sebastian Pipping <sping@g.o> (22 Feb 2011)
+# Sebastian Pipping <sping@g.o> (2011-02-22)
 # No media-sound/lilypond here, yet (bug #356069)
 app-text/asciidoc test
 
-# Raúl Porcel <armin76@g.o> (13 Feb 2011)
+# Raúl Porcel <armin76@g.o> (2011-02-13)
 # Fails to build, pending to send a report upstream
 media-libs/mesa gallium
 
-# Alon Bar-Lev <alonbl@g.o> (24 Jan 2007)
+# Alon Bar-Lev <alonbl@g.o> (2007-01-24)
 # pkcs11-helper is not keyworded
 net-vpn/openvpn pkcs11
 
-# Christoph Mende <angelos@g.o> (14 May 2008)
+# Christoph Mende <angelos@g.o> (2008-05-14)
 # media-sound/wavpack is not keyworded
 media-sound/mpd wavpack
 
-# Peter Alfredsen <loki_val@g.o> (20 Jun 2008)
+# Peter Alfredsen <loki_val@g.o> (2008-06-20)
 # cppunit is not keyworded, needed by test. Bug 228559.
 media-libs/taglib test
 

diff --git a/profiles/arch/sh/use.mask b/profiles/arch/sh/use.mask
index 02c35f70154..22fd6154cc4 100644
--- a/profiles/arch/sh/use.mask
+++ b/profiles/arch/sh/use.mask
@@ -1,11 +1,11 @@
 # Unmask the flag which corresponds to ARCH.
 -sh
 
-# Andreas Sturmlechner <asturm@g.o> (31 Mar 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-03-31)
 # sys-auth/elogind is not yet keyworded here. bug #681200
 elogind
 
-# Kacper Kowalik <xarthisius@g.o> (9 Aug 2010)
+# Kacper Kowalik <xarthisius@g.o> (2010-08-09)
 # cblas-external as virtual/cblas is also masked
 cblas-external
 
@@ -83,7 +83,7 @@ rtmp
 metalink
 lucene
 
-# 2006/02/05 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-02-05)
 # Modular X: mask for architectures on which they aren't available
 video_cards_glint
 video_cards_mga
@@ -101,7 +101,7 @@ video_cards_r300
 video_cards_r600
 video_cards_radeonsi
 
-# 2006/03/07 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-03-07)
 # Modular X: mask for architectures lacking direct rendering      
 dri
 
@@ -110,11 +110,11 @@ nsplugin
 nss
 
 # USE=audit masked prior to testing on alpha, arm, hppa, ppc64, s390, sh.
-# Bug #184563, 18 Sep 2007 
+# Bug #184563, 2007-09-18
 # Robin H. Johnson <robbat2@g.o>
 audit
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (22 Aug 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-08-22)
 # virtual/opencl is not keyworded
 opencl
 

diff --git a/profiles/arch/sparc/make.defaults b/profiles/arch/sparc/make.defaults
index f29dad7aaaf..b7dc3ff5dc2 100644
--- a/profiles/arch/sparc/make.defaults
+++ b/profiles/arch/sparc/make.defaults
@@ -35,11 +35,11 @@ CXXFLAGS="${CFLAGS}"
 FEATURES="-multilib-strict"
 MULTILIB_STRICT_DIRS="/lib32 /usr/lib32 /usr/kde/*/lib32 /usr/qt/*/lib32 /usr/X11R6/lib32"
 
-# 2006/10/05 - Gustavo Zacarias <gustavoz@g.o>
+# Gustavo Zacarias <gustavoz@g.o> (2006-10-05)
 # Defaults for video drivers
 VIDEO_CARDS="fbdev glint mga r128 radeon"
 
-# Sergei Trofimovich <slyfox@g.o> (24 Jun 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-06-24)
 # Enable USE=libtirpc by default, to ease dependency resolution during
 # the stabilization of glibc-2.26. Bug 657148
 USE="libtirpc"

diff --git a/profiles/arch/sparc/package.mask b/profiles/arch/sparc/package.mask
index 19e2f5841dd..0d6a7972c48 100644
--- a/profiles/arch/sparc/package.mask
+++ b/profiles/arch/sparc/package.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Raúl Porcel <armin76@g.o> (17 Nov 2014)
+# Raúl Porcel <armin76@g.o> (2014-11-17)
 # Mask sys-devel/kgcc64 since >=gcc-4.4 can build 64bit kernels
 sys-devel/kgcc64

diff --git a/profiles/arch/sparc/package.use b/profiles/arch/sparc/package.use
index 8c7e997a623..aad975a6da7 100644
--- a/profiles/arch/sparc/package.use
+++ b/profiles/arch/sparc/package.use
@@ -1,7 +1,7 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Enable the GPU targets matching the default VIDEO_CARDS
 dev-ml/llvm-ocaml llvm_targets_AMDGPU
 sys-devel/clang llvm_targets_AMDGPU

diff --git a/profiles/arch/sparc/package.use.force b/profiles/arch/sparc/package.use.force
index e629d210eb5..e199f04684f 100644
--- a/profiles/arch/sparc/package.use.force
+++ b/profiles/arch/sparc/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_Sparc
 sys-devel/clang llvm_targets_Sparc

diff --git a/profiles/arch/sparc/package.use.mask b/profiles/arch/sparc/package.use.mask
index e34489690c4..2c5afe242ae 100644
--- a/profiles/arch/sparc/package.use.mask
+++ b/profiles/arch/sparc/package.use.mask
@@ -1,214 +1,214 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Sergei Trofimovich <slyfox@g.o> (05 May 2019)
+# Sergei Trofimovich <slyfox@g.o> (2019-05-05)
 # No sparc arch support for jit.
 dev-lang/spidermonkey jit
 
-# Sergei Trofimovich <slyfox@g.o> (20 Apr 2019)
+# Sergei Trofimovich <slyfox@g.o> (2019-04-20)
 # No ffmpeg keywords on sparc
 media-sound/dir2ogg aac wma
 
-# Sergei Trofimovich <slyfox@g.o> (28 Sep 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-09-28)
 # No stable nftables yet. Let new iptables stabilization
 # to pick nftables up. Meanwhile keep old iptables off
 # nftables.
 <net-firewall/iptables-1.6.2 nftables
 
-# Virgil Dupras <vdupras@g.o> (08 Oct 2018)
+# Virgil Dupras <vdupras@g.o> (2018-10-08)
 # app-text/mupdf sparc keyword was dropped in bug #631970
 net-print/cups-filters pdf
 
-# Sergei Trofimovich <slyfox@g.o> (28 Sep 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-09-28)
 # mpir fails to build at least on sparc: bug #640424
 dev-python/gmpy mpir
 
-# Sergei Trofimovich <slyfox@g.o> (30 Aug 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-08-30)
 # dev-games/openscenegraph is a heavy unkeyworded dependency.
 # Skip keywording it for now.
 app-office/scribus osg
 
-# Sergei Trofimovich <slyfox@g.o> (17 Jun 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-06-17)
 # Mask broken HIPE support on sparc32 (bug #656618)
 dev-lang/erlang hipe
 
-# Sergei Trofimovich <slyfox@g.o> (08 May 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-05-08)
 # Mask USE=games to avoid unkeyworded games-util/qstat.
 net-analyzer/monitoring-plugins game
 
-# Sergei Trofimovich <slyfox@g.o> (20 Dec 2017)
+# Sergei Trofimovich <slyfox@g.o> (2017-12-20)
 # Mask USE=rados for net-analyzer/rrdtool since sys-cluster/ceph is not
 # keyworded (bug #597174)
 net-analyzer/rrdtool rados
 
-# Mart Raudsepp <leio@g.o> (02 Sep 2017)
+# Mart Raudsepp <leio@g.o> (2017-09-02)
 # Failure to re-keyword ffmpeg/gst-plugins-libav in a timely
 # fashion; bugs #574786, #608868, #610810
 media-plugins/gst-plugins-meta ffmpeg
 
-# Brian Evans <grknight@g.o> (21 Aug 2017)
+# Brian Evans <grknight@g.o> (2017-08-21)
 # No keywords for sys-process/numactl
 dev-db/mariadb numa
 
-# Gilles Dartiguelongue <eva@g.o> (16 Aug 2017)
+# Gilles Dartiguelongue <eva@g.o> (2017-08-16)
 # missing keyword on dev-python/dbusmock, bug #620024
 >=gnome-base/gnome-settings-daemon-3.24 test
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Required VIDEO_CARDS=i965/radeonsi, both masked in this profile.
 media-libs/mesa vulkan vulkan-overlay
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=redis that is masked in this profile.
 dev-python/pyzor test
 
-# Michał Górny <mgorny@g.o> (08 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-08)
 # Requires USE=seccomp that is masked in this profile.
 net-libs/gnutls test-full
 
-# Michał Górny <mgorny@g.o> (07 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-07)
 # Requires USE=bluetooth that is masked in this profile.
 media-sound/pulseaudio native-headset ofono-headset
 net-misc/ofono dundee
 
-# Michał Górny <mgorny@g.o> (07 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-07)
 # Requires USE=hdf5 that is masked in this profile.
 media-libs/vigra doc python test
 
-# Michał Górny <mgorny@g.o> (28 Jun 2017)
+# Michał Górny <mgorny@g.o> (2017-06-28)
 # app-misc/dtach is not keyworded, and tests are restricted anyway, so
 # no point in pursuing it right now.
 app-shells/bash-completion test
 
-# Jason Zaman <perfinion@g.o> (09 May 2017)
+# Jason Zaman <perfinion@g.o> (2017-05-09)
 # x11-libs/libXpresent is not keyworded on sparc
 xfce-base/xfwm4 xpresent
 
-# Michał Górny <mgorny@g.o> (23 Mar 2017)
+# Michał Górny <mgorny@g.o> (2017-03-23)
 # Most of clang runtimes are not supported here
 sys-devel/clang-runtime openmp sanitize
 sys-libs/libcxx libunwind libcxxrt
 sys-libs/libcxxabi libunwind
 
-# Pacho Ramos <pacho@g.o> (04 Feb 2017)
+# Pacho Ramos <pacho@g.o> (2017-02-04)
 # Missing keywords, bug #599572
 net-libs/gnome-online-accounts gnome
 x11-terms/gnome-terminal gnome-shell
 
-# Pacho Ramos <pacho@g.o> (15 Jan 2017)
+# Pacho Ramos <pacho@g.o> (2017-01-15)
 # Missing keywords, bug #559770
 >=net-misc/networkmanager-1.4.4 consolekit
 
-# Justin Lecher <jlec@g.o> (15 Jan 2017)
+# Justin Lecher <jlec@g.o> (2017-01-15)
 # unkeyworded rev deps
 dev-games/openscenegraph gdal las
 
-# Pacho Ramos <pacho@g.o> (02 Jan 2017)
+# Pacho Ramos <pacho@g.o> (2017-01-02)
 # Don't keyword redis
 dev-libs/hiredis test
 
-# James Le Cuirot <chewi@g.o> (14 Dec 2016)
+# James Le Cuirot <chewi@g.o> (2016-12-14)
 # DOSBox + OpenGLide is untested on this arch.
 games-emulation/dosbox glide
 
-# Michał Górny <mgorny@g.o> (18 Nov 2016)
+# Michał Górny <mgorny@g.o> (2016-11-18)
 # libomp does not support SPARC, #600148.
 sys-devel/clang-runtime openmp
 
-# Christian Ruppert <idl0r@g.o> (14 Oct 2016)
+# Christian Ruppert <idl0r@g.o> (2016-10-14)
 # dnstap USE masked due to missing keywords
 net-dns/bind dnstap
 
-# Gilles Dartiguelongue <eva@g.o> (11 Sep 2016)
+# Gilles Dartiguelongue <eva@g.o> (2016-09-11)
 # networkmanager USE masked due to missing keywords
 gnome-extra/nm-applet teamd
 
-# Alexandre Rostovtsev <tetromino@g.o> (28 Jun 2016)
+# Alexandre Rostovtsev <tetromino@g.o> (2016-06-28)
 # Missing keywords on app-text/gspell - bug #587368
 >=app-editors/gedit-3.20 spell
 
-# Justin Lecher <jlec@g.o> (22 Feb 2016)
+# Justin Lecher <jlec@g.o> (2016-02-22)
 # Missing test deps keyword #575366
 dev-cpp/eigen test
 
-# Pacho Ramos <pacho@g.o> (20 Feb 2016)
+# Pacho Ramos <pacho@g.o> (2016-02-20)
 # Missing keywords, bug #551580
 app-office/planner eds
 
-# Pacho Ramos <pacho@g.o> (31 Jan 2016)
+# Pacho Ramos <pacho@g.o> (2016-01-31)
 # Missing keywords, bug #560382
 media-video/ffmpeg snappy
 
-# James Le Cuirot <chewi@g.o> (30 Jan 2016)
+# James Le Cuirot <chewi@g.o> (2016-01-30)
 # scrollview requires Java, which is unsupported on SPARC.
 app-text/tesseract scrollview
 
-# Justin Lecher <jlec@g.o> (18 Nov 2015)
+# Justin Lecher <jlec@g.o> (2015-11-18)
 # requires dev-python/restkit which requires
 # dev-python/socketpool which requires dev-python/gevent which requires
 # dev-python/greenlet which has not been ported
 dev-python/wsgiproxy2 test
 dev-python/pyquery test
 
-# Pacho Ramos <pacho@g.o> (15 Nov 2015)
+# Pacho Ramos <pacho@g.o> (2015-11-15)
 # Missing keywords
 >=media-plugins/grilo-plugins-0.2.14 upnp-av
 
-# Davide Pesavento <pesa@g.o> (26 Oct 2015)
+# Davide Pesavento <pesa@g.o> (2015-10-26)
 # Tests require non-keyworded qt5
 dev-qt/qtchooser test
 
-# Sergey Popov <pinkbyte@g.o> (24 Oct 2015)
+# Sergey Popov <pinkbyte@g.o> (2015-10-24)
 # Not tested
 net-mail/dovecot lz4
 
-# Justin Lecher <jlec@g.o> (14 Oct 2015)
+# Justin Lecher <jlec@g.o> (2015-10-14)
 # Requires dev-python/ipython which triggers a long dep chain
 dev-python/restkit cli
 
-# Brian Evans <grknight@g.o> (14 Sep 2015)
+# Brian Evans <grknight@g.o> (2015-09-14)
 # Mask new USE flags for mariadb which all arches do not yet have dependencies
 >=dev-db/mariadb-10.1.0 innodb-snappy
 
-# Alexandre Rostovtsev <tetromino@g.o> (10 Sep 2015)
+# Alexandre Rostovtsev <tetromino@g.o> (2015-09-10)
 # Requires wifi USE flag, which is masked for this arch
 net-misc/networkmanager wext
 
-# Pacho Ramos <pacho@g.o> (13 Jun 2015)
+# Pacho Ramos <pacho@g.o> (2015-06-13)
 # Missing keywords, bug #513108
 net-misc/spice-gtk smartcard webdav
 
-# Gilles Dartiguelongue <eva@g.o> (09 Jun 2015)
+# Gilles Dartiguelongue <eva@g.o> (2015-06-09)
 # net-fs/libnfs lacks sparc keyword, bug #551576
 gnome-base/gvfs nfs
 
-# Gilles Dartiguelongue <eva@g.o> (09 Jun 2015)
+# Gilles Dartiguelongue <eva@g.o> (2015-06-09)
 # dev-lua/lgi lacks sparc keyword, bug #551540
 dev-libs/libpeas lua
 
-# Mike Frysinger <vapier@g.o> (16 Mar 2015)
+# Mike Frysinger <vapier@g.o> (2015-03-16)
 # Needs sci-physics/bullet & media-libs/libsdl2 tested #499974
 dev-libs/efl physics sdl
 
-# Alexis Ballier <aballier@g.o> (11 Feb 2015)
+# Alexis Ballier <aballier@g.o> (2015-02-11)
 # Missing ffmpeg deps, bug #510340
 media-video/ffmpeg x265
 
-# Patrick Lauer <patrick@g.o> (10 Feb 2015)
+# Patrick Lauer <patrick@g.o> (2015-02-10)
 # Missing keywords for media-libs/x265
 media-video/libav x265
 
-# Pacho Ramos <pacho@g.o> (10 Jan 2014)
+# Pacho Ramos <pacho@g.o> (2014-01-10)
 # Missing keywords
 net-misc/networkmanager teamd
 
-# Gilles Dartiguelongue <eva@g.o> (23 Dec 2014)
+# Gilles Dartiguelongue <eva@g.o> (2014-12-23)
 # New dependencies for wayland support in Gnome 3.14
 # See bug #533420.
 media-libs/clutter egl wayland
 media-libs/clutter-gtk wayland
 
-# Mark Wright <gienah@g.o> (14-23 Dec 2014, 1 Apr 2015)
+# Mark Wright <gienah@g.o> (2014-12-14/2014-12-23, 2015-04-01)
 # test dependencies need keywording
 dev-haskell/binary test
 dev-haskell/dlist test
@@ -216,131 +216,131 @@ dev-haskell/haskell-src-exts test
 dev-haskell/text test
 dev-haskell/vector test
 
-# Pacho Ramos <pacho@g.o> (03 Oct 2014)
+# Pacho Ramos <pacho@g.o> (2014-10-03)
 # Missing keywords, bug #524352
 >=app-accessibility/orca-3.12.3 braille
 
-# Christoph Junghans <junghans@g.o> (21 Jul 2014)
+# Christoph Junghans <junghans@g.o> (2014-07-21)
 # Missing keywords on sci-libs/libcerf (bug 517726)
 sci-visualization/gnuplot libcerf
 
-# Pacho Ramos <pacho@g.o> (12 Apr 2014)
+# Pacho Ramos <pacho@g.o> (2014-04-12)
 # Missing keywords, bug #507490
 net-misc/modemmanager mbim
 
-# Pacho Ramos <pacho@g.o> (15 Mar 2014)
+# Pacho Ramos <pacho@g.o> (2014-03-15)
 # Missing keywords, bug #504672
 >=net-misc/vinagre-3.10 rdp
 
-# Pacho Ramos <pacho@g.o> (22 Feb 2014)
+# Pacho Ramos <pacho@g.o> (2014-02-22)
 # Missing keywords, bug #495250
 >=gnome-base/gnome-extra-apps-3.10 tracker
 
-# Pacho Ramos <pacho@g.o> (10 Feb 2014)
+# Pacho Ramos <pacho@g.o> (2014-02-10)
 # Missing keywords, bug #495254
 >=dev-libs/totem-pl-parser-3.10 quvi
 
-# Raúl Porcel <armin76@g.o> (1 Feb 2014)
+# Raúl Porcel <armin76@g.o> (2014-02-01)
 # Sigbuses
 net-misc/openssh hpn
 
-# Pacho Ramos <pacho@g.o> (19 Jan 2014)
+# Pacho Ramos <pacho@g.o> (2014-01-19)
 # Missing keywords, bug #478254
 gnome-base/gnome classic extras
 
-# Pacho Ramos <pacho@g.o> (02 Dec 2013)
+# Pacho Ramos <pacho@g.o> (2013-12-02)
 # Missing keywords, bug #493156
 media-libs/libgphoto2 serial
 
-# Pacho Ramos <pacho@g.o> (28 Nov 2013)
+# Pacho Ramos <pacho@g.o> (2013-11-28)
 # Missing keywords, bug #492820
 net-im/telepathy-connection-managers sipe
 
-# Mark Wright <gienah@g.o> (26 Oct 2013)
+# Mark Wright <gienah@g.o> (2013-10-26)
 # template-haskell not yet available
 dev-haskell/dataenc test
 
-# Pacho Ramos <pacho@g.o> (20 Jul 2013)
+# Pacho Ramos <pacho@g.o> (2013-07-20)
 # Keywords pending, bug #476710
 >=gnome-base/gnome-extra-apps-3.8 games
 
-# Patrick Lauer <patrick@g.o> (27 May 2013)
+# Patrick Lauer <patrick@g.o> (2013-05-27)
 # stable keywords missing on tagpy/coherence
 media-sound/rhythmbox upnp-av
 
-# Julian Ospald <hasufell@g.o> (31 Mar 2013)
+# Julian Ospald <hasufell@g.o> (2013-03-31)
 # depends on mono
 >=net-irc/hexchat-2.9.4-r1 theme-manager
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Jan 2013)
+# Alexandre Rostovtsev <tetromino@g.o> (2013-01-31)
 # remove mask when net-libs/libqmi is keyworded here
 net-misc/modemmanager qmi
 
-# Alexandre Rostovtsev <tetromino@g.o> (22 Jan 2013)
+# Alexandre Rostovtsev <tetromino@g.o> (2013-01-22)
 # remove mask if/when media-gfx/argyllcms is keywored here.
 x11-misc/colord argyllcms extra-print-profiles
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # requires app-office/unoconv, which requires virtual/ooo, which is not
 # keyworded here. Remove mask if this situation changes.
 gnome-extra/sushi office
 
-# Raúl Porcel <armin76@g.o> (30 Dec 2012)
+# Raúl Porcel <armin76@g.o> (2012-12-30)
 # Needs testing
 media-libs/phonon gstreamer vlc
 
-# Alexandre Rostovtsev <tetromino@g.o> (27 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-27)
 # remove mask when dev-java/fop is keyworded here
 gnome-extra/libgda reports
 
-# Robin H Johnson <robbat2@g.o> (01 Nov 2012)
+# Robin H Johnson <robbat2@g.o> (2012-11-01)
 # MySQL 5.5 wants systemtap, tcmalloc & jemalloc
 >=dev-db/mysql-5.5 systemtap tcmalloc jemalloc
 >=dev-db/mariadb-5.5 systemtap tcmalloc jemalloc
 >=dev-db/percona-server-5.5 systemtap tcmalloc jemalloc
 
-# Diego Elio Pettenò <flameeyes@g.o> (24 Jun 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-06-24)
 # Requires libpcre with jit
 www-apache/mod_security jit
 
-# Raúl Porcel <armin76@g.o> (28 May 2012)
+# Raúl Porcel <armin76@g.o> (2012-05-28)
 # Needs x11-misc/lightdm(which also requires some other deps)
 x11-misc/xscreensaver new-login
 
-# Pacho Ramos <pacho@g.o> (07 May 2012)
+# Pacho Ramos <pacho@g.o> (2012-05-07)
 # libhid is not keyworded
 app-misc/lcdproc hid lcd_devices_mdm166a
 
-# Alexey Shvetsov <alexxy@g.o> (17 Dec 2011)
+# Alexey Shvetsov <alexxy@g.o> (2011-12-17)
 # Mask use numa for openmpi
 sys-cluster/openmpi openmpi_fabrics_psm openmpi_fabrics_knem openmpi_fabrics_open-mx openmpi_fabrics_ofed openmpi_fabrics_dapl openmpi_rm_slurm openmpi_ofed_features_rdmacm openmpi_ofed_features_control-hdr-padding openmpi_ofed_features_connectx-xrc openmpi_ofed_features_udcm openmpi_ofed_features_dynamic-sl openmpi_ofed_features_failover
 
-# Raúl Porcel <armin76@g.o> (08 Oct 2011)
+# Raúl Porcel <armin76@g.o> (2011-10-08)
 # Needs media-sound/lilypond
 app-text/asciidoc test
 
-# Patrick McLean <chutzpah@g.o> (07 Sep 2011)
+# Patrick McLean <chutzpah@g.o> (2011-09-07)
 # missing keywords on dependencies
 media-video/x264-encoder ffmpegsource
 
-# Alexey Shvetsov <alexxy@g.o> (31 Aug 2011)
+# Alexey Shvetsov <alexxy@g.o> (2011-08-31)
 # Mask numa use flag per bug #381313
 sys-apps/hwloc numa
 sys-cluster/openmpi numa
 
-# Pacho Ramos <pacho@g.o> (27 Jan 2011)
+# Pacho Ramos <pacho@g.o> (2011-01-27)
 # missing keywords on needed plugins
 media-plugins/gst-plugins-meta dts dv libvisual modplug vcd wavpack
 
-# Michael Weber <xmw@g.o> (03 Jan 2011)
+# Michael Weber <xmw@g.o> (2011-01-03)
 # dev-libs/libev is not keyworded
 www-servers/lighttpd libev
 
-# Justin Lecher <jlec@g.o> (13 Aug 2010)
+# Justin Lecher <jlec@g.o> (2010-08-13)
 # MKL not available on this arch
 media-gfx/povray mkl
 
-# Ben de Groot <yngwin@g.o> (11 Nov 2009)
+# Ben de Groot <yngwin@g.o> (2009-11-11)
 # Requires qthelp, which requires qtwebkit, bug 292838
 dev-libs/uriparser doc
 
@@ -363,10 +363,10 @@ net-im/pidgin zephyr
 # Mask srtp for ortp because libsrtp is marked -sparc
 net-libs/ortp srtp
 
-# Ultrabug <ultrabug@g.o> (05 Sept 2011)
+# Ultrabug <ultrabug@g.o> (2011-09-05)
 # missing keyword for net-libs/zeromq
 app-admin/rsyslog zeromq
 
-# Marius Brehler <marfbre@××××××××××××××.de> (13 Aug 2015)
+# Marius Brehler <marfbre@××××××××××××××.de> (2015-08-13)
 # missing keyword
 >=sci-misc/boinc-7.4.42-r1 X

diff --git a/profiles/arch/sparc/package.use.stable.mask b/profiles/arch/sparc/package.use.stable.mask
index 232cf1725c4..310af1dd6ce 100644
--- a/profiles/arch/sparc/package.use.stable.mask
+++ b/profiles/arch/sparc/package.use.stable.mask
@@ -8,7 +8,7 @@
 #
 ## Example:
 ##
-## # Dev E. Loper <developer@g.o> (28 Jun 2012)
+## # Dev E. Loper <developer@g.o> (2012-06-28)
 ## # Masking foo USE flag until we can get the
 ## # foo stuff to work properly again (bug 12345)
 ## =media-video/mplayer-0.90_pre5 foo
@@ -17,30 +17,30 @@
 
 #--- END OF EXAMPLES ---
 
-# Sergei Trofimovich <slyfox@g.o> (03 May 2019)
+# Sergei Trofimovich <slyfox@g.o> (2019-05-03)
 # Requires net-libs/webkit-gtk. Not stable on sparc.
 dev-util/geany-plugins markdown
 
-# Sergei Trofimovich <slyfox@g.o> (31 Mar 2019)
+# Sergei Trofimovich <slyfox@g.o> (2019-03-31)
 # No stable dovecot on net-mail/dovecot, bug #634822.
 mail-filter/maildrop dovecot
 
-# Sergei Trofimovich <slyfox@g.o> (25 Dec 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-12-25)
 # Needs net-mail/mailutils and net-libs/webkit-gtk which are not
 # stable (yet?), bug #663248
 app-editors/emacs mailutils xwidgets
 
-# Andreas Sturmlechner <asturm@g.o> (14 Sep 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-09-14)
 # media-libs/libraw is not stable
 media-gfx/imagemagick raw
 
-# Andreas Sturmlechner <asturm@g.o> (7 May 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-05-07)
 # sci-visualization/gnuplot is not stable.
 app-admin/sysstat isag
 sci-libs/libqalculate gnuplot
 sci-mathematics/octave gnuplot
 
-# Mart Raudsepp <leio@g.o> (02 Sep 2017)
+# Mart Raudsepp <leio@g.o> (2017-09-02)
 # Drop stable gstreamer on sparc, can move to use.stable.mask
 # after gstreamer:0.10 is gone; #601354
 dev-libs/efl gstreamer
@@ -48,12 +48,12 @@ media-sound/mp3splt-gtk gstreamer
 net-im/pidgin gstreamer
 media-libs/libcanberra gstreamer
 
-# Pacho Ramos <pacho@g.o> (02 Aug 2015)
+# Pacho Ramos <pacho@g.o> (2015-08-02)
 # Missing keywords
 dev-python/pyquery test
 sys-fs/dmraid klibc
 
-# Pacho Ramos <pacho@g.o> (02 Jul 2014)
+# Pacho Ramos <pacho@g.o> (2014-07-02)
 # Mask due Gnome3 not going to be stabilized on this arch
 dev-util/geany-plugins gtkspell
 >=gnome-base/gnome-desktop-2.32.1-r2 license-docs

diff --git a/profiles/arch/sparc/use.mask b/profiles/arch/sparc/use.mask
index 9aa4bd45662..6f6afa96909 100644
--- a/profiles/arch/sparc/use.mask
+++ b/profiles/arch/sparc/use.mask
@@ -6,15 +6,15 @@
 
 # This file contains a list of useflags that cannot be used on sparc.
 
-# Sergei Trofimovich <slyfox@g.o> (12 Dec 2018)
+# Sergei Trofimovich <slyfox@g.o> (2018-12-12)
 # mongodb is not keyworded on sparc
 mongodb
 
-# Andreas Sturmlechner <asturm@g.o> (06 Dec 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-12-06)
 # dev-qt/qtdeclarative-5.11.x is broken and blocks re-keywording of Qt5.
 qml
 
-# Michał Górny <mgorny@g.o> (16 Jul 2018)
+# Michał Górny <mgorny@g.o> (2018-07-16)
 # Python 3.7 support requires fresh versions of packages which are stuck
 # at keywordreqs.
 # bug #661306: dev-python/pytest
@@ -22,46 +22,46 @@ qml
 python_targets_python3_7
 python_single_target_python3_7
 
-# Sergei Trofimovich <slyfox@g.o> (19 Nov 2017)
+# Sergei Trofimovich <slyfox@g.o> (2017-11-19)
 # There is no luajit support on sparc. Bug #554376
 luajit
 luajittex
 
-# David Seifert <soap@g.o> (08 Jul 2017)
+# David Seifert <soap@g.o> (2017-07-08)
 # Games are not keyworded anymore on sparc
 fortune
 physfs
 
-# James Le Cuirot <chewi@g.o> (29 Jun 2017)
+# James Le Cuirot <chewi@g.o> (2017-06-29)
 # Unmask as this profile is big endian.
 -big-endian
 
-# Andreas Sturmlechner <asturm@g.o> (25 Feb 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-02-25)
 # kwallet integration split from kde to distinct flag
 kwallet
 
-# Andrey Grozin <grozin@g.o> (25 Jun 2014)
+# Andrey Grozin <grozin@g.o> (2014-06-25)
 # keyworded on sparc
 -ecls
 -sbcl
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # net-misc/connman is not keyworded, bug 348308
 connman
 
-# Alexandre Rostovtsev <tetromino@g.o> (31 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-31)
 # Not keyworded on sparc
 xine
 
-# Diego Elio Pettenò <flameeyes@g.o> (17 Aug 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-08-17)
 # qstat is not available on sparc, as it is
 nagios-game
 
-# Samuli Suominen <ssuominen@g.o> (07 May 2012)
+# Samuli Suominen <ssuominen@g.o> (2012-05-07)
 # Missing keywording in www-client/firefox wrt #360427
 mozilla
 
-# Alexandre Rostovtsev <tetromino@×××××.com> (28 Oct 2011)
+# Alexandre Rostovtsev <tetromino@×××××.com> (2011-10-28)
 # x11-misc/colord and app-admin/packagekit-base not tested. Bug #387959.
 colord
 packagekit
@@ -78,7 +78,7 @@ webkit
 # bug 359963
 webp
 
-# Gustavo Zacarias <gustavoz@g.o> 14 Feb 2007
+# Gustavo Zacarias <gustavoz@g.o> (2007-02-14)
 # Mono needs gcc4 and it's not yet stable
 mono
 
@@ -194,7 +194,7 @@ hdf5
 
 # This should probably never be touched
 
-# 2006/02/05 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-02-05)
 # Modular X: mask for architectures on which they aren't available
 video_cards_nv
 video_cards_nouveau
@@ -204,7 +204,7 @@ video_cards_nouveau
 video_cards_amdgpu
 video_cards_radeonsi
 
-# Diego Pettenò <flameeyes@g.o> (6 Dec 2006)
+# Diego Pettenò <flameeyes@g.o> (2006-12-06)
 # Mask ALSA drivers for ISA cards
 alsa_cards_msnd-pinnacle
 alsa_cards_hdsp
@@ -221,31 +221,31 @@ alsa_cards_wavefront
 # if a sub-profile want's it, it can -use.mask it
 multilib
 
-# Ben de Groot <yngwin@g.o> (11 Feb 2009)
+# Ben de Groot <yngwin@g.o> (2009-02-11)
 # Both dev-qt/qtphonon and media-sound/phonon are unkeyworded
 phonon
 
 # nvidia toolkit for binary drivers
 cg
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (22 Aug 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-08-22)
 # virtual/opencl is not keyworded
 opencl
 
 # Unmask once sys-libs/libunwind gets ported & keyworded.
 unwind
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (10 Nov 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-11-10)
 # sys-devel/llvm is not keyworded, bug #320221
 llvm
 
-# Pacho Ramos <pacho@g.o> (19 Jan 2014)
+# Pacho Ramos <pacho@g.o> (2014-01-19)
 # Unmask systemd since it is keyworded here.
 -systemd
 
 # sys-libs/libseccomp has not been ported to this arch yet #524148
 seccomp
 
-# Ben de Groot <yngwin@g.o> (01 Feb 2015)
+# Ben de Groot <yngwin@g.o> (2015-02-01)
 # please remove when keyworded
 qt5

diff --git a/profiles/arch/sparc/use.stable.mask b/profiles/arch/sparc/use.stable.mask
index e5b189ea899..dda2b0e622d 100644
--- a/profiles/arch/sparc/use.stable.mask
+++ b/profiles/arch/sparc/use.stable.mask
@@ -4,32 +4,32 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
-# Sergei Trofimovich <slyfox@g.o> (02 Feb 2019)
+# Sergei Trofimovich <slyfox@g.o> (2019-02-02)
 # No stable app-arch/rpm on sparc.
 rpm
 
-# Andreas Sturmlechner <asturm@g.o> (23 Apr 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-04-23)
 openal
 
-# Andreas Sturmlechner <asturm@g.o> (09 Apr 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-04-09)
 # sys-auth/elogind not stable yet. bug #682158
 elogind
 
-# Sergei Trofimovich <slyfox@g.o> (02 Feb 2019)
+# Sergei Trofimovich <slyfox@g.o> (2019-02-02)
 # clamav has no stable versions yet
 clamav
 
-# Mike Gilbert <floppym@g.o> (08 Jun 2017)
+# Mike Gilbert <floppym@g.o> (2017-06-08)
 # dev-lang/python:3.7 is not stable.
 python_targets_python3_7
 python_single_target_python3_7
 
-# Andrey Grozin <grozin@g.o> (25 Jun 2014)
+# Andrey Grozin <grozin@g.o> (2014-06-25)
 # no stable version on sparc
 ecls
 sbcl
 
-# Pacho Ramos <pacho@g.o> (17 Apr 2014)
+# Pacho Ramos <pacho@g.o> (2014-04-17)
 # Dropped stable keywords after the discussion caused by
 # Gnome 3.8/3.10 stabilization on this arch   
 devhelp
@@ -39,6 +39,6 @@ gnumeric
 upnp
 upnp-av
 
-# Pacho Ramos <pacho@g.o> (13 Apr 2014)
+# Pacho Ramos <pacho@g.o> (2014-04-13)
 # Not going to be stabilized on this arch
 gnome-online-accounts

diff --git a/profiles/arch/x86-fbsd/make.defaults b/profiles/arch/x86-fbsd/make.defaults
index 85fb647de9b..e801595ce68 100644
--- a/profiles/arch/x86-fbsd/make.defaults
+++ b/profiles/arch/x86-fbsd/make.defaults
@@ -10,7 +10,7 @@ FCFLAGS="${CFLAGS}"
 
 ACCEPT_KEYWORDS="x86-fbsd ~x86-fbsd"
 
-# Michał Górny <mgorny@g.o> (20 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-20)
 # Provide values for ABI-related variables that are compatible with
 # multilib amd64, to make consistent ebuild writing easier.
 MULTILIB_ABIS="x86_fbsd"
@@ -23,11 +23,11 @@ VIDEO_CARDS="dummy intel mga nv r128 radeon siliconmotion via vmware"
 # Unhide the CPU_FLAGS_X86 USE_EXPANDs.
 USE_EXPAND_HIDDEN="-CPU_FLAGS_X86"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Default to abi_x86_32 for packages that don't have it forced.
 ABI_X86="32"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Make the native ABI implicit so that MULTILIB_USEDEP can be satisfied
 # by non-multilib ebuilds when non-native ABIs are disabled.
 IUSE_IMPLICIT="abi_x86_32"

diff --git a/profiles/arch/x86-fbsd/package.use.force b/profiles/arch/x86-fbsd/package.use.force
index 55380264955..1c803f758db 100644
--- a/profiles/arch/x86-fbsd/package.use.force
+++ b/profiles/arch/x86-fbsd/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_X86
 sys-devel/clang llvm_targets_X86

diff --git a/profiles/arch/x86-fbsd/package.use.mask b/profiles/arch/x86-fbsd/package.use.mask
index 9646560833b..389c2705113 100644
--- a/profiles/arch/x86-fbsd/package.use.mask
+++ b/profiles/arch/x86-fbsd/package.use.mask
@@ -1,61 +1,61 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Andreas Sturmlechner <asturm@g.o> (01 Sep 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-09-01)
 # media-libs/libaom not yet keyworded
 # media-libs/aribb24 not yet keyworded, bug #665048
 # media-libs/dav1d is not yet keyworded
 # skins requires USE=qt5 that is masked in this profile.
 media-video/vlc aom aribsub dav1d skins
 
-# Thomas Deutschmann <whissi@g.o> (26 Oct 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-10-26)
 # idn: Needs net-dns/libidn2 which is not keyworded
 # uuid: Needs sys-apps/util-linux which is not keyworded
 net-misc/wget idn uuid
 
-# Ulrich Müller <ulm@g.o> (23 Oct 2017)
+# Ulrich Müller <ulm@g.o> (2017-10-23)
 # Needs net-mail/mailutils which is not keyworded, bug #635216.
 app-editors/emacs mailutils
 app-editors/emacs-vcs mailutils
 
-# Thomas Deutschmann <whissi@g.o> (09 Jun 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-06-09)
 # sys-process/audit not keyworded
 sys-process/fcron audit
 
-# Thomas Deutschmann <whissi@g.o> (14 Feb 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-02-14)
 # net-misc/curl dropped keywords in ffe8d873b8110d4434fc89423ea668450cab1d96
 www-servers/nginx nginx_modules_http_security
 
-# Alexis Ballier <aballier@g.o> (31 Jan 2017)
+# Alexis Ballier <aballier@g.o> (2017-01-31)
 # nvidia drivers are unmasked here
 media-video/ffmpeg -nvenc
 
-# Michael Palimaka <kensington@g.o> (21 Jun 2016)
+# Michael Palimaka <kensington@g.o> (2016-06-21)
 # Requires unkeyworded media-sound/jack-audio-connection-kit & media-video/movit
 media-libs/mlt jack opengl
 
-# Davide Pesavento <pesa@g.o> (26 Oct 2015)
+# Davide Pesavento <pesa@g.o> (2015-10-26)
 # Tests require non-keyworded qt5
 dev-qt/qtchooser test
 
-# Johannes Huber <johu@g.o> (28 Jan 2015)
+# Johannes Huber <johu@g.o> (2015-01-28)
 # Missing keyword on dev-libs/botan
 app-crypt/qca botan
 
-# Pacho Ramos <pacho@gentoo> (18 Mar 2011)
+# Pacho Ramos <pacho@gentoo> (2011-03-18)
 # Missing keywords on deps (GNOME related packages)
 dev-libs/totem-pl-parser quvi
 media-plugins/gst-plugins-meta dv dvd musepack vcd vpx wavpack
 
-# Justin Lecher <jlec@g.o> (19 Sep 2010)
+# Justin Lecher <jlec@g.o> (2010-09-19)
 # kde-apps/konqueror not keyworded
 app-arch/p7zip kde
 
-# Justin Lecher <jlec@g.o> (12 Sep 2010)
+# Justin Lecher <jlec@g.o> (2010-09-12)
 # net-libs/farsight2 not keyworded
 net-im/gajim jingle
 
-# Justin Lecher <jlec@g.o> (13 Aug 2010)
+# Justin Lecher <jlec@g.o> (2010-08-13)
 # MKL not available on this arch
 media-gfx/povray mkl
 

diff --git a/profiles/arch/x86-fbsd/use.mask b/profiles/arch/x86-fbsd/use.mask
index 6746ea43d4d..bdecee028a0 100644
--- a/profiles/arch/x86-fbsd/use.mask
+++ b/profiles/arch/x86-fbsd/use.mask
@@ -5,15 +5,15 @@
 -x86-fbsd
 -abi_x86_32
 
-# Andreas Sturmlechner <asturm@g.o> (31 Mar 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-03-31)
 # sys-auth/elogind is not keyworded here.
 elogind
 
-# Michael Palimaka <kensington@g.o> (21 Jun 2016)
+# Michael Palimaka <kensington@g.o> (2016-06-21)
 # Unkeyworded
 qt5
 
-# Diego Elio Pettenò <flameeyes@g.o> (21 Aug 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-08-21)
 # IPMI is only implemented for x86, amd64 and ia64
 -ipmi
 
@@ -46,7 +46,7 @@ qt5
 -video_cards_vmware
 -input_devices_vmmouse
 
-# James Le Cuirot <chewi@g.o> (19 May 2015)
+# James Le Cuirot <chewi@g.o> (2015-05-19)
 # icedtea needs testing and gcj isn't supported
 java
 
@@ -61,10 +61,10 @@ valgrind
 # libva doesnt build on fbsd for now
 vaapi
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (22 Aug 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-08-22)
 # virtual/opencl is not keyworded
 opencl
 
-# Benda Xu <heroxbd@g.o> (26 Jun 2019)
+# Benda Xu <heroxbd@g.o> (2019-06-26)
 # Not tested
 eselect-ldso

diff --git a/profiles/arch/x86/make.defaults b/profiles/arch/x86/make.defaults
index 231dfd1b9be..c0600e4ae9f 100644
--- a/profiles/arch/x86/make.defaults
+++ b/profiles/arch/x86/make.defaults
@@ -13,11 +13,11 @@ CXXFLAGS="${CFLAGS}"
 FFLAGS="${CFLAGS}"
 FCFLAGS="${CFLAGS}"
 
-# Michał Górny <mgorny@g.o> (30 Jan 2015)
+# Michał Górny <mgorny@g.o> (2015-01-30)
 # Unhide the CPU_FLAGS_X86 USE_EXPANDs.
 USE_EXPAND_HIDDEN="-CPU_FLAGS_X86"
 
-# Michał Górny <mgorny@g.o> (20 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-20)
 # Provide values for ABI-related variables that are compatible with
 # multilib amd64, to make consistent ebuild writing easier.
 MULTILIB_ABIS="x86"
@@ -26,24 +26,24 @@ ABI="x86"
 CHOST_x86="${CHOST}"
 LIBDIR_x86="lib"
 
-# 2006/08/18 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-08-18)
 # Defaults for video drivers
 VIDEO_CARDS="amdgpu fbdev intel nouveau radeon radeonsi vesa"
 
-# 2006/12/21 - Andrej Kacian <ticho@g.o>
+# Andrej Kacian <ticho@g.o> (2006-12-21)
 # Defaults for audio drivers
 ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1 emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci"
 
-# Michał Górny <mgorny@g.o> (25 Jun 2014)
+# Michał Górny <mgorny@g.o> (2014-06-25)
 # Make the native ABI implicit so that MULTILIB_USEDEP can be satisfied
 # by non-multilib ebuilds when non-native ABIs are disabled.
 IUSE_IMPLICIT="abi_x86_32"
 
-# Michał Górny <mgorny@g.o> (01 Jul 2014)
+# Michał Górny <mgorny@g.o> (2014-07-01)
 # Default to abi_x86_32 for packages that don't have it forced.
 ABI_X86="32"
 
-# Thomas Deutschmann <whissi@g.o> (6 Jun 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-06-06)
 # Enable USE=libtirpc by default, to ease dependency resolution during
 # the stabilization of glibc-2.26. Bug 657148
 USE="libtirpc"

diff --git a/profiles/arch/x86/package.use b/profiles/arch/x86/package.use
index 408c7a4da0b..0cbd9b6e601 100644
--- a/profiles/arch/x86/package.use
+++ b/profiles/arch/x86/package.use
@@ -1,12 +1,12 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Enable the GPU targets matching the default VIDEO_CARDS
 dev-ml/llvm-ocaml llvm_targets_AMDGPU llvm_targets_NVPTX
 sys-devel/clang llvm_targets_AMDGPU llvm_targets_NVPTX
 sys-devel/llvm llvm_targets_AMDGPU llvm_targets_NVPTX
 
-# Doug Goldstein <cardoe@g.o> (29 Oct 2012)
+# Doug Goldstein <cardoe@g.o> (2012-10-29)
 # Enable the native arch as the default qemu target
 app-emulation/qemu qemu_softmmu_targets_i386

diff --git a/profiles/arch/x86/package.use.force b/profiles/arch/x86/package.use.force
index c0f5156c963..5d692726f06 100644
--- a/profiles/arch/x86/package.use.force
+++ b/profiles/arch/x86/package.use.force
@@ -1,17 +1,17 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Georgy Yakovlev <gyakovlev@g.o> (14 May 2018)
+# Georgy Yakovlev <gyakovlev@g.o> (2018-05-14)
 # Force the host target to avoid dependency hell
 dev-lang/rust llvm_targets_X86
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_X86
 sys-devel/clang llvm_targets_X86
 sys-devel/llvm llvm_targets_X86
 
-# Pawel Hajdan jr <phajdan.jr@g.o> (12 Jun 2014)
+# Pawel Hajdan jr <phajdan.jr@g.o> (2014-06-12)
 # On x86 Chromium can be built in non-PIC mode, and this
 # flag can affect performance, see http://crbug.com/332109 .
 www-client/chromium -pic

diff --git a/profiles/arch/x86/package.use.mask b/profiles/arch/x86/package.use.mask
index 8626e359d71..7929f69d8b1 100644
--- a/profiles/arch/x86/package.use.mask
+++ b/profiles/arch/x86/package.use.mask
@@ -3,280 +3,280 @@
 
 # This file requires >=portage-2.1.1
 
-# Matt Turner <mattst88@g.o> (20 Jun 2019)
+# Matt Turner <mattst88@g.o> (2019-06-20)
 # dev-lang/spidermonkey:60[jit] fails to build on most platforms, but does
 # build on x86.
 >=dev-lang/spidermonkey-60 -jit
 
-# Denis Lisov <dennis.lissov@×××××.com> (09 May 2019)
+# Denis Lisov <dennis.lissov@×××××.com> (2019-05-09)
 # Overlay can only be built on amd64 and x86
 x11-apps/igt-gpu-tools -overlay
 
-# Georgy Yakovlev <gyakovlev@g.o> (05 March 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-03-05)
 # freeipmi is supported on x86
 app-admin/conserver -freeipmi
 
-# Mikle Kolyada <zlogene@g.o> (03 Mar 2019)
+# Mikle Kolyada <zlogene@g.o> (2019-03-03)
 # No Spice protocol for x86
 app-emulation/nemu spice
 
-# Thomas Deutschmann <whissi@g.o> (15 Nov 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-11-15)
 # - rdrand plugin is supported on x86
 # - padlock plugin is supported on x86
 net-vpn/strongswan -strongswan_plugins_rdrand -strongswan_plugins_padlock
 
-# Alexys Jacob <ultrabug@g.o> (05 Nov 2018)
+# Alexys Jacob <ultrabug@g.o> (2018-11-05)
 # Requires dev-db/mongodb which has dropped x86 support
 net-analyzer/zmap mongo
 
-# Michael Palimaka <kensington@g.o> (12 Oct 2018)
+# Michael Palimaka <kensington@g.o> (2018-10-12)
 # Unmask arch-specific USE flag available on x86
 net-analyzer/testssl -bundled-openssl
 
-# Thomas Deutschmann <whissi@g.o> (30 Sep 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-09-30)
 # Unmask libheif support where media-libs/libheif is keyworded
 media-gfx/imagemagick -heif
 
-# Tomáš Mózes <hydrapolic@×××××.com> (28 Sep 2018)
+# Tomáš Mózes <hydrapolic@×××××.com> (2018-09-28)
 # Requires dev-db/mongodb which has dropped x86 support
 dev-python/pymongo test
 
-# Bernard Cafarelli <voyageur@g.o> (27 Sep 2018)
+# Bernard Cafarelli <voyageur@g.o> (2018-09-27)
 # media-libs/qtav not keyworded
 media-video/orion qtav
 
-# Ben Kohler <bkohler@g.o> (23 Aug 2018)
+# Ben Kohler <bkohler@g.o> (2018-08-23)
 # Unmask iwd support where net-wireless/iwd is keyworded
 net-misc/connman -iwd
 net-misc/networkmanager -iwd
 
-# Thomas Deutschmann <whissi@g.o> (23 Aug 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-08-23)
 # Dependency sys-cluster/ceph is keyworded for x86
 net-fs/samba -ceph
 
-# Rick Farina <zerochaos@g.o> (27 Jun 2018)
+# Rick Farina <zerochaos@g.o> (2018-06-27)
 # Catalyst has support for assembling bootloader on this arch
 dev-util/catalyst -system-bootloader
 
-# Jan Ziak <0xe2.0x9a.0x9b@×××××.com> (14 Mar 2018)
+# Jan Ziak <0xe2.0x9a.0x9b@×××××.com> (2018-03-14)
 # Expose SVGA backend for x86 users
 app-emulation/fuse -backend-svga
 
-# Thomas Deutschmann <whissi@g.o> (10 Feb 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-02-10)
 # Requires dev-db/mongodb which has dropped x86 support
 dev-libs/mongo-c-driver test
 
-# Thomas Deutschmann <whissi@g.o> (05 Jan 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-01-05)
 # Requires dev-python/neovim-remote, which is not keyworded on x86.
 app-editors/neovim remote
 
-# Michał Górny <mgorny@g.o> (30 Dec 2017)
+# Michał Górny <mgorny@g.o> (2017-12-30)
 # Moved from use.mask since it is a flag local to one package:
 # pbbuttonsd and macbook for KDE and pbuttonsd it
 app-laptop/pbbuttonsd -macbook
 
-# Hans de Graaff <graaff@g.o> (8 Dec 2017)
+# Hans de Graaff <graaff@g.o> (2017-12-08)
 # Test dependencies are no longer keyworded due to dropped Rails
 # keyword.
 dev-ruby/asciidoctor test
 
-# Tim Harder <radhermit@g.o> (11 Sep 2017)
+# Tim Harder <radhermit@g.o> (2017-09-11)
 # Pulls in dev-ruby/asciidoctor which has too large of a ruby testing
 # dep tree that is unkeyworded at this time.
 >=net-irc/weechat-1.7 doc
 
-# Johannes Huber <johu@g.o> (07 Aug 2017)
+# Johannes Huber <johu@g.o> (2017-08-07)
 # Requires media-libs/qtav, which is not keyworded on x86.
 media-gfx/digikam mediaplayer
 
-# Michał Górny <mgorny@g.o> (07 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-07)
 # Requires USE=cuda that is masked in this profile.
 media-gfx/blender opensubdiv
 
-# Thomas Deutschmann <whissi@g.o> (01 Mar 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-03-01)
 # dev-libs/libmaxminddb is keyworded on x86
 app-admin/rsyslog -mdblookup
 
-# David Seifert <soap@g.o> (10 Feb 2017)
+# David Seifert <soap@g.o> (2017-02-10)
 # Requires dev-lua/ldoc for building documentation,
 # which is only keyworded for amd64
 x11-wm/awesome doc
 
-# Alexis Ballier <aballier@g.o> (31 Jan 2017)
+# Alexis Ballier <aballier@g.o> (2017-01-31)
 # nvidia drivers are unmasked here
 media-video/ffmpeg -nvenc
 
-# Luca Barbato <lu_zero@g.o> (22 Jan 2017)
+# Luca Barbato <lu_zero@g.o> (2017-01-22)
 # cuda is not available on x86 nvidia-video-codec depends on it
 media-video/libav nvidia
 
-# Andreas Sturmlechner <asturm@g.o> (31 Dec 2016)
-# on behalf of Andreas K. Hüttel <dilfridge@g.o> (14 Dec 2016)
+# Andreas Sturmlechner <asturm@g.o> (2016-12-31)
+# on behalf of Andreas K. Hüttel <dilfridge@g.o> (2016-12-14)
 # Fails to build with newly unmasked ffmpeg-3, so mask this useflag
 # Workaround; leaving a real fix to the maintainers... bug 580630
 media-libs/mlt vdpau
 
-# Yixun lan <dlan@g.o> (07 Dec 2016)
+# Yixun lan <dlan@g.o> (2016-12-07)
 # Disable zfs storage backend since sys-fs/zfs doesn't support 32bit arch
 app-emulation/libvirt zfs
 
-# Ettore Di Giacinto <mudler@g.o> (18 Oct 2016)
+# Ettore Di Giacinto <mudler@g.o> (2016-10-18)
 # Enable gambit and scm only on supported architectures
 >=dev-scheme/slib-3.2.5 -gambit -scm
 
-# Thomas Deutschmann <whissi@g.o> (22 Sep 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-09-22)
 # Enable MQTT support on supported architectures
 app-metrics/collectd -collectd_plugins_mqtt
 
-# Thomas Deutschmann <whissi@g.o> (26 Aug 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-08-26)
 # Enable numa support on supported architectures
 dev-db/mysql -numa
 dev-db/percona-server -numa
 
-# Brian Evans <grknight@g.o> (18 Aug 2016)
+# Brian Evans <grknight@g.o> (2016-08-18)
 # Allow jdbc on this arch
 dev-db/mariadb -jdbc
 
-# Mike Gilbert <floppym@g.o> (03 Mar 2016)
+# Mike Gilbert <floppym@g.o> (2016-03-03)
 # chrome-binary-plugins dropped x86 support
 www-client/chromium widevine
 
-# Ian Delaney <idella4@g.o> (02 Dec 2015)
+# Ian Delaney <idella4@g.o> (2015-12-02)
 # mask revdeps of xen that emply a hypervisor in arch x86
 app-emulation/libvirt xen
 app-emulation/ganeti xen
 
-# Nathan Phillip Brink <binki@g.o> (26 Sep 2015)
+# Nathan Phillip Brink <binki@g.o> (2015-09-26)
 # git useflag requires dev-libs/libgit2 which few arches support
 dev-util/geany-plugins -git
 
-# Brian Evans <grknight@g.o (14 Sep 2015)
+# Brian Evans <grknight@g.o (2015-09-14)
 # Unmask new USE flags for mariadb on supported arches
 >=dev-db/mariadb-10.1.0 -sst-xtrabackup -galera
 
-# Mike Gilbert <floppym@g.o> (05 Sep 2015)
+# Mike Gilbert <floppym@g.o> (2015-09-05)
 # sys-boot/gnu-efi is not supported on all archs.
 sys-apps/systemd -gnuefi
 
-# James Le Cuirot <chewi@g.o> (28 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-28)
 # JavaFX and the browser plugin are included on x86 Linux.
 dev-java/oracle-jdk-bin -javafx -nsplugin
 dev-java/oracle-jre-bin -javafx -nsplugin
 
-# Ben de Groot <yngwin@g.o> (15 Mar 2015)
+# Ben de Groot <yngwin@g.o> (2015-03-15)
 # media-libs/libbdplus is keyworded on x86, so unmask the useflag
 media-libs/libbluray -bdplus
 
-# Michał Górny <mgorny@g.o> (01 Mar 2015)
+# Michał Górny <mgorny@g.o> (2015-03-01)
 # pidgin-opensteamworks is only available for amd64, ppc32 and x86
 net-im/telepathy-connection-managers -steam
 
-# Jeroen Roovers <jer@g.o> (31 Jan 2015)
+# Jeroen Roovers <jer@g.o> (2015-01-31)
 # >x11-drivers/nvidia-drivers-346 on x86 has no UVM support (bug #534156)
 >x11-drivers/nvidia-drivers-346 uvm
 
-# Mike Frysinger <vapier@g.o> (04 Aug 2014)
+# Mike Frysinger <vapier@g.o> (2014-08-04)
 # Unmask flashrom drivers that only work on x86 due to in/out asm insns #454024
 sys-apps/flashrom -atahpt -nic3com -nicnatsemi -nicrealtek -rayer_spi -satamv
 
-# Yixun Lan <dlan@g.o> (21 May 2014)
+# Yixun Lan <dlan@g.o> (2014-05-21)
 # sys-fs/zfs not keyworded on x86
 sys-cluster/ceph zfs
 
-# Lars Wendler <polynomial-c@g.o (23 Apr 2014)
+# Lars Wendler <polynomial-c@g.o (2014-04-23)
 # Works on 32bit x86
 media-sound/lmms -vst
 
-# Samuli Suominen <ssuominen@g.o> (16 Feb 2014)
+# Samuli Suominen <ssuominen@g.o> (2014-02-16)
 # Still considered experimental by upstream:
 # https://sourceforge.net/p/mikmod/bugs/16/#17ea
 media-libs/libmikmod cpu_flags_x86_sse2
 
-# Sergey Popov <pinkbyte@g.o> (27 Dec 2013)
+# Sergey Popov <pinkbyte@g.o> (2013-12-27)
 # Boost.Context can be built on x86
 dev-libs/boost	-context
 
-# Christoph Junghans <junghans@g.o> (08 Sep 2013)
+# Christoph Junghans <junghans@g.o> (2013-09-08)
 # restrict USE=quad for x86 as there are too less registers
 sci-libs/fftw quad
 
-# Tim Harder <radhermit@g.o> (13 Aug 2013)
+# Tim Harder <radhermit@g.o> (2013-08-13)
 # dev-lang/luajit keyworded for x86 (masked in base)
 # dev-scheme/racket keyworded for amd64 (masked in base)
 app-editors/vim -luajit -racket
 app-editors/gvim -luajit -racket
 
-# Kacper Kowalik <xarthisius@g.o> (09 Aug 2013)
+# Kacper Kowalik <xarthisius@g.o> (2013-08-09)
 # Works on x86
 sys-apps/hwloc -gl
 
-# Christoph Junghans <junghans@g.o> (26 Dec 2012)
+# Christoph Junghans <junghans@g.o> (2012-12-26)
 # mkl works on x86/amd64 (masked in base)
 sci-chemistry/gromacs -mkl
 
-# Diego Elio Pettenò <flameeyes@g.o> (3 Nov 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-11-03)
 # Unmask here, as it's masked in base.
 net-libs/gnutls -dane
 
-# Ben de Groot <yngwin@g.o> (30 Jul 2012)
+# Ben de Groot <yngwin@g.o> (2012-07-30)
 # dependency keyworded here, masked in base
 media-libs/freetype -infinality
 
-# Michał Górny <mgorny@g.o> (11 Apr 2012)
+# Michał Górny <mgorny@g.o> (2012-04-11)
 # JIT compilation in zpaq generates code for x86/amd64.
 app-arch/zpaq -jit
 
-# Arun Raghavan <ford_prefect@g.o> (29 Mar 2012)
+# Arun Raghavan <ford_prefect@g.o> (2012-03-29)
 # webrtc-audio-processing is only supported on x86/amd64. Possibly arm can be
 # added.
 media-sound/pulseaudio -webrtc-aec
 
-# Bernard Cafarelli <voyageur@g.o> (27 Feb 2012)
+# Bernard Cafarelli <voyageur@g.o> (2012-02-27)
 # Masked in base profile, supported on this arch
 gnustep-base/gnustep-make -libobjc2
 
-# Doug Goldstein <cardoe@g.o> (17 Jan 2012)
+# Doug Goldstein <cardoe@g.o> (2012-01-17)
 # The SPICE server is only supported on 64-bit platforms and not on 32-bit
 # https://lists.freedesktop.org/archives/spice-devel/2015-September/021846.html
 app-emulation/qemu	spice
 
-# Samuli Suominen <ssuominen@g.o> (06 Dec 2011)
+# Samuli Suominen <ssuominen@g.o> (2011-12-06)
 # NuppelVideo support is x86 only
 media-video/transcode -nuv -pic
 
-# Davide Pesavento <pesa@g.o> (30 Nov 2011)
+# Davide Pesavento <pesa@g.o> (2011-11-30)
 # The QML (V4) and JSC JITs are supported only on amd64/arm/x86,
 # so the flag is masked in the base profile and unmasked here.
 dev-qt/qtdeclarative -jit
 dev-qt/qtscript -jit
 dev-qt/qtwebkit -jit
 
-# Samuli Suominen <ssuominen@g.o> (25 Nov 2011)
+# Samuli Suominen <ssuominen@g.o> (2011-11-25)
 # Expose USE="suid" for USE="svga" only for x86 users,
 # see base/package.use.mask
 www-client/links -suid
 
-# Robin H. Johnson <robbat2@g.o> (10 Jul 2011)
+# Robin H. Johnson <robbat2@g.o> (2011-07-10)
 # PPS should work on all arches, but only keyworded on amd64/x86
 >=net-misc/ntp-4.2.6_p3-r1 -parse-clocks
 
-# Tim Harder <radhermit@g.o> (13 Feb 2011)
+# Tim Harder <radhermit@g.o> (2011-02-13)
 # Masked in base, unmask for amd64/x86
 >=media-video/mplayer-1.0_rc4_p20101219 -bluray
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (28 Nov 2010)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2010-11-28)
 # sys-devel/llvm is keyworded on x86
 media-libs/mesa -llvm
 
-# Tomáš Chvátal <scarabeus@g.o> (4 Apr 2010)
+# Tomáš Chvátal <scarabeus@g.o> (2010-04-04)
 # x86 platforms works
 sys-power/pm-utils -video_cards_intel -video_cards_radeon
 
-# Jean-Noël Rivasseau <elvanor@g.o> (23 Sep 2009)
+# Jean-Noël Rivasseau <elvanor@g.o> (2009-09-23)
 # X use flag only for amd64/x86, bug 285951.
 media-gfx/iscan -X
 
 x11-terms/eterm cpu_flags_x86_sse2
 
-# Steve Dibb <beandog@g.o> (29 Sept 2008)
+# Steve Dibb <beandog@g.o> (2008-09-29)
 media-video/mplayer -cpudetection

diff --git a/profiles/arch/x86/package.use.stable.mask b/profiles/arch/x86/package.use.stable.mask
index f72a49e022a..b30e559610e 100644
--- a/profiles/arch/x86/package.use.stable.mask
+++ b/profiles/arch/x86/package.use.stable.mask
@@ -8,7 +8,7 @@
 #
 ## Example:
 ##
-## # Dev E. Loper <developer@g.o> (28 Jun 2012)
+## # Dev E. Loper <developer@g.o> (2012-06-28)
 ## # Masking foo USE flag until we can get the
 ## # foo stuff to work properly again (bug 12345)
 ## =media-video/mplayer-0.90_pre5 foo
@@ -17,83 +17,83 @@
 
 #--- END OF EXAMPLES ---
 
-# Brian Evans <grknight@g.o> (22 May 2019)
+# Brian Evans <grknight@g.o> (2019-05-22)
 # Allow python-exec to install all targets
 # Ack by mgorny
 dev-lang/python-exec -python_targets_python3_7
 
-# Andreas Sturmlechner <asturm@g.o> (21 May 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-05-21)
 # dev-db/oracle-instantclient ain't stable
 dev-qt/qtsql oci8
 
-# Andreas Sturmlechner <asturm@g.o> (06 May 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-05-06)
 # media-libs/dav1d is not yet stable
 ~media-video/vlc-3.0.6 dav1d
 
-# Amy Liffey <amynka@g.o> (15 Jan 2019)
+# Amy Liffey <amynka@g.o> (2019-01-15)
 # Mask experimental contrib repo
 media-libs/opencv contrib contrib_cvv contrib_dnn contrib_hdf contrib_sfm contrib_xfeatures2d gflags glog tesseract
 
-# Brian Evans <grknight@g.o> (06 Dec 2018)
+# Brian Evans <grknight@g.o> (2018-12-06)
 # Unmask argon2 for php
 dev-lang/php -argon2
 
-# Mikle Kolyada <zlogene@g.o> (07 Nov 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-11-07)
 # unmask sssd for sudo
 app-admin/sudo -sssd
 
-# Mart Raudsepp <leio@g.o> (01 Nov 2018)
+# Mart Raudsepp <leio@g.o> (2018-11-01)
 # net-wireless/iwd not stable yet
 net-misc/networkmanager iwd
-# Ben Kohler <bkohler@g.o> (22 May 2019)
+# Ben Kohler <bkohler@g.o> (2019-05-22)
 net-misc/connman iwd
 
-# Thomas Deutschmann <whissi@g.o> (27 Sep 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-09-27)
 # sys-devel/lld is unstable
 www-client/firefox clang
 
-# Thomas Deutschmann <whissi@g.o> (01 Jun 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-06-01)
 net-analyzer/wireshark -doc
 
-# Andreas Sturmlechner <asturm@g.o> (21 Nov 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-11-21)
 # Requires not yet stabilised media-libs/qtav
 media-gfx/digikam mediaplayer
 
-# Thomas Deutschmann <whissi@g.o> (01 Oct 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-10-01)
 # Stable mask dev-ruby/haml test till rails is stabilized.
 dev-ruby/haml test
 
-# Michael Palimaka <kensington@g.o> (30 Sep 2017)
+# Michael Palimaka <kensington@g.o> (2017-09-30)
 # Required dependeny is not stable
 sci-libs/gdal oracle
 
-# NP-Hardass <NP-Hardass@g.o> (27 Sep 2017)
+# NP-Hardass <NP-Hardass@g.o> (2017-09-27)
 # patchset variants are not stable
 virtual/wine d3d9 staging
 
-# Andreas Sturmlechner <asturm@g.o> (01 Mar 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-03-01)
 # Requires not yet stabilised dev-db/oracle-instantclient.
 sci-geosciences/qgis oracle
 
-# Christoph Junghans <junghans@g.o> (26 Feb 2017)
+# Christoph Junghans <junghans@g.o> (2017-02-26)
 # Stable mask some fabrics (bug #525534)
 sys-cluster/openmpi openmpi_fabrics_psm openmpi_fabrics_knem openmpi_fabrics_open-mx openmpi_fabrics_ofed openmpi_fabrics_dapl openmpi_rm_pbs openmpi_rm_slurm openmpi_ofed_features_rdmacm openmpi_ofed_features_control-hdr-padding openmpi_ofed_features_connectx-xrc openmpi_ofed_features_udcm openmpi_ofed_features_dynamic-sl openmpi_ofed_features_failover
 
-# Brian Evans <grknight@g.o> (17 Jan 2017)
+# Brian Evans <grknight@g.o> (2017-01-17)
 # Stable mask groonga on mariadb as I don't know how stable
 # the dependencies really are
 dev-db/mariadb mroonga
 
-# Bernard Cafarelli <voyageur@g.o> (09 Jan 2017)
+# Bernard Cafarelli <voyageur@g.o> (2017-01-09)
 # Requires more testing
 # and additional unstable dependencies
 gnustep-base/gnustep-make libobjc2
 
-# Michael Palimaka <kensington@g.o> (26 May 2016)
+# Michael Palimaka <kensington@g.o> (2016-05-26)
 # Dependencies not yet stable
 dev-cpp/eigen test
 
-# Michał Górny <mgorny@g.o> (30 Mar 2014)
+# Michał Górny <mgorny@g.o> (2014-03-30)
 # Don't apply stable masks to python-exec since we're forcing every
 # impl there anyway. Please keep this in sync with use.stable.mask.
 dev-lang/python-exec -python_targets_pypy

diff --git a/profiles/arch/x86/use.force b/profiles/arch/x86/use.force
index 1f18bb0cec1..857a8b5df0f 100644
--- a/profiles/arch/x86/use.force
+++ b/profiles/arch/x86/use.force
@@ -1,7 +1,7 @@
 # Force the flag which corresponds to ARCH.
 x86
 
-# Michał Górny <mgorny@g.o> (26 Jan 2013)
+# Michał Górny <mgorny@g.o> (2013-01-26)
 # Force the flag corresponding to the only ABI. This allows x86 binary
 # packages to have uniform dependencies for amd64-multilib & x86.
 abi_x86_32

diff --git a/profiles/arch/x86/use.mask b/profiles/arch/x86/use.mask
index 4cc91a68765..9cdfa7634ac 100644
--- a/profiles/arch/x86/use.mask
+++ b/profiles/arch/x86/use.mask
@@ -4,54 +4,54 @@
 # Unmask the flag which corresponds to ARCH.
 -x86
 
-# Andreas Sturmlechner <asturm@g.o> (17 Nov 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-11-17)
 # media-sound/audacious is keyworded on x86
 -audacious
 
-# Matt Turner <mattst88@g.o> (11 Nov 2018)
+# Matt Turner <mattst88@g.o> (2018-11-11)
 # d3d9 works on x86
 -d3d9
 
-# Michał Górny <mgorny@g.o> (16 Jul 2018)
+# Michał Górny <mgorny@g.o> (2018-07-16)
 # Python 3.7 support requires fresh versions of packages which are stuck
 # at keywordreqs.
 # bug #661320: dev-python/twisted
 python_targets_python3_7
 python_single_target_python3_7
 
-# Michael Orlitzky <mjo@g.o> (13 Jan 2018)
+# Michael Orlitzky <mjo@g.o> (2018-01-13)
 # Oracle database stuff should work on x86.
 -oci8
 -oci8-instant-client
 -oracle
 
-# Sven Wegener <swegener@g.o> (31 May 2017)
+# Sven Wegener <swegener@g.o> (2017-05-31)
 # libvirt is supported on x86
 -libvirt
 
-# Andreas K. Hüttel <dilfridge@g.o> (26 May 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-05-26)
 # dev-db/firebird is keyworded ~x86
 -firebird
 
 # cilk has been ported to this arch.
 -cilk
 
-# Mike Gilbert <floppym@g.o (19 Oct 2014)
+# Mike Gilbert <floppym@g.o (2014-10-19)
 # sys-libs/libapparmor
 -apparmor
 
-# Michał Górny <mgorny@g.o> (30 Mar 2014)
+# Michał Górny <mgorny@g.o> (2014-03-30)
 # PyPy is keyworded on this arch.
 -python_targets_pypy
 -python_single_target_pypy
 -python_targets_pypy3
 -python_single_target_pypy3
 
-# Michał Górny <mgorny@g.o> (4 May 2013)
+# Michał Górny <mgorny@g.o> (2013-05-04)
 # Unmask systemd since it is keyworded here.
 -systemd
 
-# Andrey Grozin <grozin@g.o> (25 Jun 2014)
+# Andrey Grozin <grozin@g.o> (2014-06-25)
 # keyworded on x86
 -clisp
 -clozurecl
@@ -60,29 +60,29 @@ python_single_target_python3_7
 -gcl
 -sbcl
 
-# Michał Górny <mgorny@g.o> (26 Jan 2013)
+# Michał Górny <mgorny@g.o> (2013-01-26)
 # Unmask the flag corresponding to the only ABI. This allows x86 binary
 # packages to have uniform dependencies for amd64-multilib & x86.
 -abi_x86_32
 
-# Alexandre Rostovtsev <tetromino@g.o> (09 Dec 2012)
+# Alexandre Rostovtsev <tetromino@g.o> (2012-12-09)
 # Orc optimisations work fine on amd64 and x86
 -orc
 
-# Diego Elio Pettenò <flameeyes@g.o> (21 Aug 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-08-21)
 # IPMI is only implemented for x86, amd64 and ia64
 -ipmi
 
-# Ralph Sennhauser <sera@g.o> (31 Jul 2012)
+# Ralph Sennhauser <sera@g.o> (2012-07-31)
 # Keyworded on x86
 -python_targets_jython2_7
 -python_single_target_jython2_7
 
-# Joerg Bornkessel <hd_brummy@g.o> (05. Mar 2012)
+# Joerg Bornkessel <hd_brummy@g.o> (2012-03-05)
 # Unmask, works with v4l2, #350211
 -dxr3
 
-# Samuli Suominen <ssuominen@g.o> (28 Feb 2012)
+# Samuli Suominen <ssuominen@g.o> (2012-02-28)
 # Unmasking vidix for x86 which is masked in base/use.mask for others
 -vidix
 
@@ -90,22 +90,22 @@ python_single_target_python3_7
 # x86 profile.  This works, for example, if another architecture's
 # profile have a USE flag associated with (such as altivec, mmx, etc).
 
-# 2011/12/22 - Alexis Ballier <aballier@g.o>
+# Alexis Ballier <aballier@g.o> (2011-12-22)
 # Unmask vdpau as its supported here
 -vdpau
 
-# 2011/07/01 - Alexey Shvetsov <alexxy@g.o>
+# Alexey Shvetsov <alexxy@g.o> (2011-07-01)
 # Infiniband stuff works on x86
 -infiniband
 
-# 2010/02/14 - Samuli Suominen <ssuominen@g.o>
+# Samuli Suominen <ssuominen@g.o> (2010-02-14)
 # Unmask amd64/x86 only SANE_BACKENDS
 -sane_backends_canon_pp
 -sane_backends_hpsj5s
 -sane_backends_mustek_pp
 -sane_backends_qcam
 
-# 2010/05/03 - Alex Legler <a3li@g.o>
+# Alex Legler <a3li@g.o> (2010-05-03)
 # Add support for Ruby Enterprise Edition targets where rubyee is available
 # -ruby_targets_ree18
 
@@ -154,12 +154,12 @@ python_single_target_python3_7
 -video_cards_virtualbox
 -video_cards_qxl
 
-# Robert Buchholz <rbu@g.o> (03 Jun 2007)
+# Robert Buchholz <rbu@g.o> (2007-06-03)
 # Unmask as it works on x86
 -lcd_devices_svga
 -lcd_devices_luise
 
-# George Shapovalov <george@g.o> (8 Apr 2007)
+# George Shapovalov <george@g.o> (2007-04-08)
 # supported on x86
 -ada
 

diff --git a/profiles/arch/x86/use.stable.mask b/profiles/arch/x86/use.stable.mask
index 0e2ad52b66f..c30ac38e05b 100644
--- a/profiles/arch/x86/use.stable.mask
+++ b/profiles/arch/x86/use.stable.mask
@@ -4,28 +4,28 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
-# Andreas Sturmlechner <asturm@g.o> (17 Nov 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-11-17)
 # media-sound/audacious is not yet stabilised
 audacious
 
-# Mike Gilbert <floppym@g.o> (08 Jun 2017)
+# Mike Gilbert <floppym@g.o> (2017-06-08)
 # dev-lang/python:3.7 is not stable.
 python_targets_python3_7
 python_single_target_python3_7
 
-# Andreas K. Hüttel <dilfridge@g.o> (26 May 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-05-26)
 # dev-db/firebird is keyworded ~x86
 firebird
 
-# Mike Gilbert <floppym@g.o> (19 Oct 2014)
+# Mike Gilbert <floppym@g.o> (2014-10-19)
 # sys-libs/libapparmor
 apparmor
 
-# Andrey Grozin <grozin@g.o> (25 Jun 2014)
+# Andrey Grozin <grozin@g.o> (2014-06-25)
 # no stable versions on x86
 clozurecl
 
-# Michał Górny <mgorny@g.o> (30 Mar 2014)
+# Michał Górny <mgorny@g.o> (2014-03-30)
 # PyPy is unstable on this arch.
 python_targets_pypy
 python_single_target_pypy

diff --git a/profiles/base/make.defaults b/profiles/base/make.defaults
index cc08beb437d..3fdd2e453a4 100644
--- a/profiles/base/make.defaults
+++ b/profiles/base/make.defaults
@@ -56,56 +56,56 @@ INPUT_DEVICES="keyboard mouse"
 # the freedom to use, share, modify and share modifications
 ACCEPT_LICENSE="-* @FREE"
 
-# Tomáš Chvátal <scarabeus@g.o> (23 Mar 2013)
+# Tomáš Chvátal <scarabeus@g.o> (2013-03-23)
 # By default enable libreoffice implementation only.
 OFFICE_IMPLEMENTATION="libreoffice"
 
-# Tomáš Chvátal <scarabeus@g.o> (12 Aug 2011)
+# Tomáš Chvátal <scarabeus@g.o> (2011-08-12)
 # By default do not build any grub platform and let it guess.
 GRUB_PLATFORMS=""
 
-# Tomáš Chvátal <scarabeus@g.o> (05 May 2013)
+# Tomáš Chvátal <scarabeus@g.o> (2013-05-05)
 # By default enable all extensions with no dependencies
 LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer"
 
-# Andreas K. Hüttel <dilfridge@g.o> (19 Aug 2011, 25 Mar 2012)
-# Johannes Huber <johu@g.o> (15 Apr 2018)
-# Andreas Sturmlechner <asturm@g.o> (01 Jan 2019)
+# Andreas K. Hüttel <dilfridge@g.o> (2011-08-19, 2012-03-25)
+# Johannes Huber <johu@g.o> (2018-04-15)
+# Andreas Sturmlechner <asturm@g.o> (2019-01-01)
 # By default build all calligra features (except unmaintained: stage).
 CALLIGRA_FEATURES="karbon sheets words"
 
-# Andreas K. Huettel <dilfridge@g.o> (28 Sep 2010)
+# Andreas K. Huettel <dilfridge@g.o> (2010-09-28)
 # Small default list of enabled plugins for collectd
 COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog"
 
-# Tomáš Chvátal <scarabeus@g.o> (26 Oct 2010)
+# Tomáš Chvátal <scarabeus@g.o> (2010-10-26)
 # By default enable all protocols for average GPS user
 GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx"
 
-# Benedikt Böhm <hollow@g.o> (27 Nov 2007)
+# Benedikt Böhm <hollow@g.o> (2007-11-27)
 # Sane defaults for built-in apache modules
-# Patrick Lauer <patrick@g.o> (12 Oct 2012)
+# Patrick Lauer <patrick@g.o> (2012-10-12)
 # extend for apache 2.4
 APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias"
 
-# Peter Volkov <pva@g.o> (29 Apr 2010)
+# Peter Volkov <pva@g.o> (2010-04-29)
 # Set some defaults or package will fail to build (Check mconfig in package sources)
 XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
 
-# Robert Buchholz <rbu@g.o> (17 Jan 2006)
+# Robert Buchholz <rbu@g.o> (2006-01-17)
 # Some common lcd devices
 LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text"
 
-# Miroslav Šulc <fordfrog@g.o> (19 Nov 2008)
+# Miroslav Šulc <fordfrog@g.o> (2008-11-19)
 # Netbeans modules/clusters
 NETBEANS_MODULES="apisupport cnd groovy gsf harness ide identity j2ee java mobility nb php profiler soa visualweb webcommon websvccommon xml"
 
-# Manuel Rüger <mrueg@g.o> (09 Sep 2015)
+# Manuel Rüger <mrueg@g.o> (2015-09-09)
 # Default Ruby build target(s)
-# Updated to include ruby24 on 12 Nov 2018
+# Updated to include ruby24 on 2018-11-12
 RUBY_TARGETS="ruby24"
 
-# Samuli Suominen <ssuominen@g.o> (03 Dec 2009)
+# Samuli Suominen <ssuominen@g.o> (2009-12-03)
 # Enable USE cxx by default so base-system and toolchain pkgs can start using USE cxx
 # instead of USE nocxx.
 # https://archives.gentoo.org/gentoo-dev/msg_a181cd0d36600067b599f4b996c6989f.xml
@@ -115,27 +115,27 @@ USE="${USE} cxx"
 # https://archives.gentoo.org/gentoo-dev/message/ba0e3457e4b807e79816f0df03566af0
 USE="${USE} xattr"
 
-# Tiziano Müller <dev-zero@g.o> (24 Jan 2010)
+# Tiziano Müller <dev-zero@g.o> (2010-01-24)
 # We usually don't want python to (re)write .py[co] files during phase runs
 # since it could cause sandbox violations
 PYTHONDONTWRITEBYTECODE="1"
 
-# Jorge Manuel B. S. Vicetto <jmbsvicetto@g.o> (16 Nov 2011)
+# Jorge Manuel B. S. Vicetto <jmbsvicetto@g.o> (2011-11-16)
 # Add default USE value for bootstrap and rename it from STAGE1_USE to BOOTSTRAP_USE
 # Add in expanded PYTHON_TARGETS or stage1 builds break because of USE="-* ${BOOTSTRAP_USE}"
 # This MUST be kept in sync with the PYTHON_TARGETS below
-# Mike Gilbert <floppym@g.o> (23 May 2018)
+# Mike Gilbert <floppym@g.o> (2018-05-23)
 # sys-apps/baslayout-2.5 needs split-usr enabled.
 BOOTSTRAP_USE="unicode internal-glib pkg-config split-usr python_targets_python3_6 python_targets_python2_7"
 
-# Mike Gilbert <floppym@g.o> (15 May 2012)
+# Mike Gilbert <floppym@g.o> (2012-05-15)
 # Default target(s) for python-r1.eclass
-# Mikle Kolyada <zlogene@g.o> (24 Jul 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-07-24)
 # Updated to python3_6
 PYTHON_TARGETS="python2_7 python3_6"
 PYTHON_SINGLE_TARGET="python3_6"
 
-# Michał Górny <mgorny@g.o> (10 Aug 2013)
+# Michał Górny <mgorny@g.o> (2013-08-10)
 # Moved from portage's make.globals.
 # 1) do not uninstall kernel modules and therefore allow replacing them,
 # 2,3) removed wrt bug #663170,
@@ -143,20 +143,20 @@ PYTHON_SINGLE_TARGET="python3_6"
 COLLISION_IGNORE="/lib/modules/*"
 UNINSTALL_IGNORE="/lib/modules/* /var/run /var/lock"
 
-# Andreas K. Hüttel <dilfridge@g.o> (23 Aug 2013)
+# Andreas K. Hüttel <dilfridge@g.o> (2013-08-23)
 # Make emerge messages default to English as per Council decision
 LC_MESSAGES="C"
 
-# Brian Dolbec <dolsen@g.o> (16 Jun 2017)
+# Brian Dolbec <dolsen@g.o> (2017-06-16)
 # disable twisted's plugin cache update to prevent access violations
 # call /usr/bin/twisted-regen-cache in pkg_postinst()
 TWISTED_DISABLE_WRITING_OF_PLUGIN_CACHE="1"
 
-# Aaron W. Swenson <titanofold@g.o> (9 Jul 2017)
+# Aaron W. Swenson <titanofold@g.o> (2017-07-09)
 # Default target(s) for postgres{,-multi}.eclass
 POSTGRES_TARGETS="postgres10 postgres11"
 
-# Michael Orlitzky <mjo@g.o> (17 Nov 2017)
+# Michael Orlitzky <mjo@g.o> (2017-11-17)
 #
 # Default PHP targets, used only for extensions at the moment.
 #

diff --git a/profiles/base/package.use b/profiles/base/package.use
index cf204db955b..6122e7297a5 100644
--- a/profiles/base/package.use
+++ b/profiles/base/package.use
@@ -1,7 +1,7 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# David Seifert <soap@g.o> (17 Apr 2017)
+# David Seifert <soap@g.o> (2017-04-17)
 # These py2-only packages also support pypy, enable
 # Python 2.7 as the default implementation, preparing
 # for the eventual switch to py3 in PYTHON_SINGLE_TARGET
@@ -11,23 +11,23 @@ dev-vcs/git-bz python_single_target_python2_7 python_targets_python2_7
 gnome-base/libglade python_single_target_python2_7 python_targets_python2_7
 sci-chemistry/pdb-tools python_single_target_python2_7 python_targets_python2_7
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Enable the BPF target by default
 dev-ml/llvm-ocaml llvm_targets_BPF
 sys-devel/clang llvm_targets_BPF
 sys-devel/llvm llvm_targets_BPF
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (27 Jul 2012)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2012-07-27)
 # Modular X: Build the Xorg X server by default
 x11-base/xorg-server xorg
 
-# Diego Elio Pettenò <flameeyes@g.o> (11 Apr 2011)
+# Diego Elio Pettenò <flameeyes@g.o> (2011-04-11)
 # Disable ldap support by default in sudo, as it seem to lack
 # developers maintaining that particular support and is, thus, vastly
 # untested.
 app-admin/sudo -ldap
 
-# Zac Medico <zmedico@g.o> (04 Dec 2009)
+# Zac Medico <zmedico@g.o> (2009-12-04)
 # Bug #295615 - Disable cxx by default, in order to avoid a die
 # in pkg_setup with default USE settings (cxx requires sasl).
 net-nds/openldap -cxx

diff --git a/profiles/base/package.use.force b/profiles/base/package.use.force
index 02cab145994..8b269fd7c32 100644
--- a/profiles/base/package.use.force
+++ b/profiles/base/package.use.force
@@ -1,18 +1,18 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Andreas K. Hüttel <dilfridge@g.o> (14 Apr 2019)
+# Andreas K. Hüttel <dilfridge@g.o> (2019-04-14)
 # Make sure glibc static libs are installed for now. Not installing
 # them is an experimental feature and needs testing.
 sys-libs/glibc static-libs
 
-# Mart Raudsepp <leio@g.o> (14 Dec 2018)
+# Mart Raudsepp <leio@g.o> (2018-12-14)
 # Security is not optional if available for the architecture/kernel.
 gnome-base/gnome-desktop seccomp
 app-misc/tracker-miners seccomp
 >gnome-base/nautilus-3.29 seccomp
 
-# Andreas K. Hüttel <dilfridge@g.o> (11 Sep 2018)
+# Andreas K. Hüttel <dilfridge@g.o> (2018-09-11)
 # All glibc versions that include RPC code are masked now.
 dev-libs/libspt libtirpc
 dev-perl/Lab-VXI11 libtirpc
@@ -24,46 +24,46 @@ net-misc/netkit-bootparamd libtirpc
 sci-astronomy/esomidas libtirpc
 sys-cluster/glusterfs libtirpc
 
-# NP-Hardass <NP-Hardass@g.o> (10 Apr 2017)
+# NP-Hardass <NP-Hardass@g.o> (2017-04-10)
 # Always force patch on appropriate variant to ensure
 # similar experience when using app-emulation/wine-any
 app-emulation/wine-staging staging
 app-emulation/wine-d3d9 d3d9
 
-# David Seifert <soap@g.o> (07 Mar 2017)
+# David Seifert <soap@g.o> (2017-03-07)
 # Only ever use system ffmpeg, allow kodi bundled ffmpeg
 # only for debug pruposes.
 media-tv/kodi system-ffmpeg
 
-# Sam Jorna <wraeth@g.o> (15 Dec 2016)
+# Sam Jorna <wraeth@g.o> (2016-12-15)
 # Known to build unbootable EFI binaries on some systems when built with
 # UDK. Forcing use of gnu-efi until it's more stable.
 sys-boot/refind gnuefi
 
-# Mike Gilbert <floppym@g.o> (13 Oct 2016)
+# Mike Gilbert <floppym@g.o> (2016-10-13)
 # Python without threads breaks in many ways.
 dev-lang/python threads
 
-# Maciej Mrozowski <reavertm@g.o> (1 Sept 2016)
+# Maciej Mrozowski <reavertm@g.o> (2016-09-01)
 # Workaround until resolved upstream (bug #586840)
 >=dev-games/simgear-2016.2.1 dns
 
-# Justin Lecher <jlec@g.o> (10 Aug 2014)
+# Justin Lecher <jlec@g.o> (2014-08-10)
 # Doesn't work without acl support
 # No patch yet, #516626
 >=net-fs/netatalk-3.1.3 acl
 
-# Pawel Hajdan jr <phajdan.jr@g.o> (12 Jun 2014)
+# Pawel Hajdan jr <phajdan.jr@g.o> (2014-06-12)
 # Chromium builds in PIC mode on most arches anyway,
 # i.e. this use flag has no effect on them.
 www-client/chromium pic
 
-# Zac Medico <zmedico@g.o> (4 Dec 2012)
+# Zac Medico <zmedico@g.o> (2012-12-04)
 # Force app-shells/bash[readline] in stage1 builds, so that compgen is
 # available for sys-apps/portage (see bug #445576).
 app-shells/bash:0 readline
 
-# Michał Górny <mgorny@g.o> (14 Oct 2012)
+# Michał Górny <mgorny@g.o> (2012-10-14)
 # Force-enable all PYTHON_TARGETS for python-exec to avoid using private
 # API. Please remember to keep it in sync with python_targets.desc.
 dev-lang/python-exec python_targets_python2_7
@@ -74,7 +74,7 @@ dev-lang/python-exec python_targets_jython2_7
 dev-lang/python-exec python_targets_pypy
 dev-lang/python-exec python_targets_pypy3
 
-# Zac Medico <zmedico@g.o> (20 Oct 2010)
+# Zac Medico <zmedico@g.o> (2010-10-20)
 # Force ipc USE flag since it should remain enabled unless
 # it is found to be incompatible with a specific profile
 # or environment. When enabled, it fixes bug #278895,
@@ -88,7 +88,7 @@ sys-apps/portage ipc
 # and requires reinstallation of many Python modules.
 dev-lang/python wide-unicode
 
-# Peter Alfredsen <loki_val@g.o> (11 Apr 2009)
+# Peter Alfredsen <loki_val@g.o> (2009-04-11)
 # Forcing w.r.t. bug 265336. When unicode use-flag is
 # turned off, ABI is broken without a .so bump.
 dev-libs/libpcre unicode

diff --git a/profiles/base/package.use.mask b/profiles/base/package.use.mask
index e2720afe97f..d2924483f84 100644
--- a/profiles/base/package.use.mask
+++ b/profiles/base/package.use.mask
@@ -7,18 +7,18 @@
 # This file is only for generic masks. For arch-specific masks (i.e.
 # mask everywhere, unmask on arch/*) use arch/base.
 
-# Mike Gilbert <floppym@g.o> (21 Jun 2019)
+# Mike Gilbert <floppym@g.o> (2019-06-21)
 # Fails to build.
 # https://bugs.gentoo.org/661880
 <www-client/chromium-76 system-icu
 
-# James Le Cuirot <chewi@g.o> (21 May 2019)
+# James Le Cuirot <chewi@g.o> (2019-05-21)
 # Doesn't support ffmpeg-4. Portage takes a long time to report the
 # conflict and the feature is half broken anyway. See
 # https://github.com/visualboyadvance-m/visualboyadvance-m/issues/179.
 games-emulation/vbam ffmpeg
 
-# Ulrich Müller <ulm@g.o> (18 May 2019)
+# Ulrich Müller <ulm@g.o> (2019-05-18)
 # Firmware images without a known license. Most likely, upstream
 # redistribution may conflict with the licenses or lack thereof
 # on the images. Check the WHENCE file in the package for specific
@@ -26,150 +26,150 @@ games-emulation/vbam ffmpeg
 # bug #318841#c20.
 sys-kernel/linux-firmware unknown-license
 
-# Andreas K. Hüttel <dilfridge@g.o> (11 May 2019)
+# Andreas K. Hüttel <dilfridge@g.o> (2019-05-11)
 # app-accessibility/festival:
 # Outdated, EAPI=2, unmaintained, segfaults immediately.
 # See bug 634928 and bug 612980. Removal in 30 days.
 media-radio/xastir festival
 
-# Virgil Dupras <vdupras@g.o> (29 Apr 2019)
+# Virgil Dupras <vdupras@g.o> (2019-04-29)
 # Docs are temporarily broken. See bug #680014
 dev-python/pandas doc
 
-# Ulrich Müller <ulm@g.o> (25 Apr 2019)
+# Ulrich Müller <ulm@g.o> (2019-04-25)
 # Pulls in media-fonts/kochi-substitute as dependency, which allows
 # only non-commercial distribution and can therefore not be included
 # with Gentoo install media. Mask the l10n_ja flag until a better
 # solution is found, e.g., transition to a free font package.
 app-text/ghostscript-gpl l10n_ja
 
-# Georgy Yakovlev <gyakovlev@g.o> (17 Apr 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-04-17)
 # Mask jre useflags for use as system java-vm until it's proven to work
 dev-java/openjdk-jre-bin:8 gentoo-vm
 dev-java/openjdk-jre-bin:11 gentoo-vm
 
-# Michał Górny <mgorny@g.o> (13 Apr 2019)
+# Michał Górny <mgorny@g.o> (2019-04-13)
 # net-libs/ftplib is slated for removal.
 app-cdr/xbiso ftp
 
-# Michał Górny <mgorny@g.o> (10 Apr 2019)
+# Michał Górny <mgorny@g.o> (2019-04-10)
 # media-sound/aacplusenc is slated for removal.
 media-video/h264enc aac
 
-# Michał Górny <mgorny@g.o> (21 Mar 2019)
+# Michał Górny <mgorny@g.o> (2019-03-21)
 # x11-wm/afterstep is slated for removal.
 x11-terms/aterm background
 
-# Michał Górny <mgorny@g.o> (21 Mar 2019)
+# Michał Górny <mgorny@g.o> (2019-03-21)
 # net-mail/uw-imap masked for removal.
 dev-perl/NetxAP test
 
-# Michał Górny <mgorny@g.o> (16 Mar 2019)
+# Michał Górny <mgorny@g.o> (2019-03-16)
 # Requires last rited dev-python/scimath.
 dev-python/construct python_targets_python2_7
 
-# Brian Evans <grknight@g.o> (15 Mar 2019)
+# Brian Evans <grknight@g.o> (2019-03-15)
 # Prepare to remove the mysqlcompat USE from mariadb-connector-c
 # Has multiple issues including symlinks and threading.
 # Packages should use and access libmariadb.so instead
 dev-db/mariadb-connector-c mysqlcompat
 ~media-tv/kodi-17.6 mariadb
 
-# Georgy Yakovlev <gyakovlev@g.o> (05 Mar 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-03-05)
 # Not keyworded on non-x86 arches
 app-admin/conserver freeipmi
 
-# Matt Turner <mattst88@g.o> (03 Mar 2019)
+# Matt Turner <mattst88@g.o> (2019-03-03)
 # Mask for testing. Bug 606924
 media-libs/mesa libglvnd
 
-# Georgy Yakovlev <gyakovlev@g.o> (17 Jan 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-01-17)
 # Mask openjdk:8 for use as system java-vm until it's proven to work
 dev-java/openjdk:8 gentoo-vm
 dev-java/openjdk-bin:8 gentoo-vm
 
-# Sven Wegener <swegener@g.o> (18 Jan 2019)
+# Sven Wegener <swegener@g.o> (2019-01-18)
 # Waiting for >=dev-libs/libressl-2.7 to be unmasked.
 >=net-libs/libvncserver-0.9.12 libressl
 
-# William Hubbs <williamh@g.o> (13 Jan 2019)
+# William Hubbs <williamh@g.o> (2019-01-13)
 # For memtest86+ mask the floppy use flag since it requires grub:0 which
 # is being removed
 # (bug #674364)
 sys-apps/memtest86+ floppy
 
-# Brian Evans <grknight@g.o> (11 Jan 2019)
+# Brian Evans <grknight@g.o> (2019-01-11)
 # Depend on the EOL PHP 7.0
 dev-libs/Ice php
 
-# Michał Górny <mgorny@g.o> (01 Dec 2018)
+# Michał Górny <mgorny@g.o> (2018-12-01)
 # Moved from use.mask to specific packages.
-# Andreas Sturmlechner <asturm@g.o> (10 May 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-05-10)
 # media-sound/mumble is masked/not keyworded at this point, bug #656826.
 games-fps/quake3 mumble
 games-fps/turtlearena mumble
 games-fps/urbanterror mumble
 games-rpg/manaplus mumble
 
-# Michał Górny <mgorny@g.o> (28 Nov 2018)
+# Michał Górny <mgorny@g.o> (2018-11-28)
 # Requires last-rited games-server/ut2003-ded.
 games-fps/ut2003 dedicated
 
-# Alfredo Tupone <tupone@g.o> (18 Nov 2018)
+# Alfredo Tupone <tupone@g.o> (2018-11-18)
 # go brokes build of gnat-gpl
 dev-lang/gnat-gpl go
 
-# Pacho Ramos <pacho@g.o> (11 Nov 2018)
+# Pacho Ramos <pacho@g.o> (2018-11-11)
 # pm-utils will be removed, bug #659616
 net-misc/wicd pm-utils
 sys-apps/razercfg pm-utils
 sys-power/powermgmt-base pm-utils
 
-# Pacho Ramos <pacho@g.o> (11 Nov 2018)
+# Pacho Ramos <pacho@g.o> (2018-11-11)
 # sci-libs/spqr is going to be removed
 dev-cpp/eigen test
 kde-apps/cantor julia
 sci-libs/ceres-solver sparse
 
-# Alon Bar-Lev <alonbl@g.o> (08 Nov 2018)
+# Alon Bar-Lev <alonbl@g.o> (2018-11-08)
 # Waiting for >=dev-libs/libressl-2.7 to be unmasked.
 >=app-crypt/xca-2.1.0 libressl
 
-# Alfredo Tupone <tupone@g.o> (24 Oct 2018)
+# Alfredo Tupone <tupone@g.o> (2018-10-24)
 # jit brokes build of gnat-gpl
 dev-lang/gnat-gpl jit
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (06 Oct 2018)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2018-10-06)
 # address user visible breakage due to circular dependency #665008
 =media-fonts/encodings-1.0.4-r3 X
 
-# Dirkjan Ochtman <djc@g.o> (29 Sep 2018)
+# Dirkjan Ochtman <djc@g.o> (2018-09-29)
 # Clippy is broken for now, can't find libraries (bug 667286)
 <dev-lang/rust-1.29.2 clippy
 <dev-lang/rust-bin-1.34.1 clippy
 
-# Virgil Dupras <vdupras@g.o> (26 Sep 2018)
+# Virgil Dupras <vdupras@g.o> (2018-09-26)
 # Server feature in paramiko is patched out for security reasons. It can
 # be re-enabled with the 'server' USE flag, but this flag is hard
 # masked. bug #666619
 dev-python/paramiko server
 
-# Alon Bar-Lev <alonbl@g.o> (11 Sep 2018)
+# Alon Bar-Lev <alonbl@g.o> (2018-09-11)
 # Waiting for >=dev-libs/libressl-2.7 to be stablized.
 >=dev-libs/opensc-0.18.0 libressl
 
-# Andreas K. Hüttel <dilfridge@g.o> (3 Aug 2018)
+# Andreas K. Hüttel <dilfridge@g.o> (2018-08-03)
 # New and for Gentoo still quite experimental. You've been
 # warned. (Also, works only on x86_64 and with certain CPUs
 # and compiler/binutils combinations.)
 sys-libs/glibc cet
 
-# Göktürk Yüksek <gokturk@g.o> (6 Jul 2018)
+# Göktürk Yüksek <gokturk@g.o> (2018-07-06)
 # Dependency app-crypt/jitterentropy is keyworded for
 # only a subset of the archs rng-tools supports
 sys-apps/rng-tools jitterentropy
 
-# Michał Górny <mgorny@g.o> (13 Jun 2018)
+# Michał Górny <mgorny@g.o> (2018-06-13)
 # Requires app-arch/snappy[static-libs] that is no longer available.
 # Bugs #651604, #651606.
 app-emulation/qemu static
@@ -177,64 +177,64 @@ app-emulation/qemu static
 sys-block/fio static
 sys-cluster/ceph static-libs
 
-# Michał Górny <mgorny@g.o> (16 May 2018)
+# Michał Górny <mgorny@g.o> (2018-05-16)
 # Depends on last-rited sci-libs/coinhsl.
 sci-libs/ipopt hsl
 
-# Mike Gilbert <floppym@g.o> (01 May 2018)
+# Mike Gilbert <floppym@g.o> (2018-05-01)
 # Requires >=media-video/ffmpeg-4 (bug 654208).
 >=www-client/chromium-67 system-ffmpeg
 
-# Göktürk Yüksek <gokturk@g.o> (4 Apr 2018)
+# Göktürk Yüksek <gokturk@g.o> (2018-04-04)
 # libewf is getting treecleaned (#547418).
 # Starting with sleuthkit-4.6.0, we statically link sleuthkit to a
 # locally compiled libewf. Mask the prior versions.
 <app-forensics/sleuthkit-4.6.0 ewf
 
-# Lars Wendler <polynomial-c@g.o> (14 Mar 2018)
+# Lars Wendler <polynomial-c@g.o> (2018-03-14)
 # Broken on all 32bit arches. Globally masked because of sys-apps/dmapi having
 # no active upstream anymore.
 # sys-cluster/ceph is only available on amd64 & x86, unmask per arch
 net-fs/samba dmapi ceph
 
-# Jan Ziak <0xe2.0x9a.0x9b@×××××.com> (14 Mar 2018)
+# Jan Ziak <0xe2.0x9a.0x9b@×××××.com> (2018-03-14)
 # Mask local USE flag to satisfy repoman
 app-emulation/fuse backend-svga
 
-# Pacho Ramos <pacho@g.o> (13 Mar 2018)
+# Pacho Ramos <pacho@g.o> (2018-03-13)
 # libewf is going to be removed, bug #547418
 app-admin/testdisk ewf
 
-# Patrick McLean <chutzpah@g.o> (6 Mar 2018)
+# Patrick McLean <chutzpah@g.o> (2018-03-06)
 # Requires dev-libs/boost-1.66 that is unkeyworded/masked
 >=sys-cluster/ceph-12.2.4 system-boost
 
-# Brian Evans <grknight@g.o> (5 Mar 2018)
+# Brian Evans <grknight@g.o> (2018-03-05)
 # Mask embedded USE on virtual/mysql and friends to transition it to be obsolete
 virtual/mysql embedded
 dev-perl/DBD-mysql embedded
 
-# Brian Evans <grknight@g.o> (28 Feb 2018)
+# Brian Evans <grknight@g.o> (2018-02-28)
 # Mask client-libs USE to force users to install alternative standard pacakges
 dev-db/mariadb client-libs
 dev-db/mariadb-galera client-libs
 dev-db/mysql client-libs
 dev-db/percona-server client-libs
 
-# Andreas K. Hüttel <dilfridge@g.o> (2 Feb 2018)
+# Andreas K. Hüttel <dilfridge@g.o> (2018-02-02)
 # This feature is not ready yet, see bug 146882 comment 26
 sys-libs/glibc compile-locales
 
-# Mart Raudsepp <leio@g.o> (10 Jan 2018)
+# Mart Raudsepp <leio@g.o> (2018-01-10)
 # Failing tests, with extra deps that aren't keyworded due to that
 >=gnome-base/gnome-settings-daemon-3.24 test
 
-# Andrey Utkin <andrey_utkin@g.o> (29 Dec 2017)
+# Andrey Utkin <andrey_utkin@g.o> (2017-12-29)
 # This flag can be sensibly enabled only on macos.
 # Can be unmasked in prefix/darwin/macos profiles. Bug #637482
 media-video/ffmpeg appkit
 
-# James Le Cuirot <chewi@g.o> (17 Dec 2017)
+# James Le Cuirot <chewi@g.o> (2017-12-17)
 # Java 9+ is not yet fully supported on Gentoo. Having a masked
 # gentoo-vm flag allows us to provide it without it breaking Gentoo
 # packages. Those who wish to experiment with it as a fully recognised
@@ -243,29 +243,29 @@ dev-java/oracle-jdk-bin:11 gentoo-vm
 dev-java/openjdk-bin:11 gentoo-vm
 dev-java/openjdk:11 gentoo-vm
 
-# Andreas K. Hüttel <dilfridge@g.o> (04 Nov 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-11-04)
 # Requires audacious, which is masked. Bug 632513
 media-libs/freeverb3 jack
 
-# Andreas K. Huettel <dilfridge@g.o> (9 Sep 2017)
+# Andreas K. Huettel <dilfridge@g.o> (2017-09-09)
 # Potentially destructive. Use it only if you know what you're doing.
 sys-libs/glibc vanilla
 
-# Michael Orlitzky <mjo@g.o> (24 Aug 2017)
+# Michael Orlitzky <mjo@g.o> (2017-08-24)
 # This is a security risk if not used carefully, bug 628596.
 net-analyzer/nrpe command-args
 
-# Michał Górny <mgorny@g.o> (04 Aug 2017)
+# Michał Górny <mgorny@g.o> (2017-08-04)
 # sys-kernel/openvz-sources is being treecleaned wrt #580516.
 app-emulation/libvirt openvz
 
-# Michał Górny <mgorny@g.o> (30 Jul 2017)
+# Michał Górny <mgorny@g.o> (2017-07-30)
 # The Z3 backend is unstable and causes assertion failures. Mask it
 # until upstream fixes it properly.
 <sys-devel/clang-8 z3
 
-# Mike Gilbert <floppym@g.o> (09 Jul 2017)
-# Matthias Dahl <matthias.dahl@×××××××××××××.eu> (05 Jul 2017)
+# Mike Gilbert <floppym@g.o> (2017-07-09)
+# Matthias Dahl <matthias.dahl@×××××××××××××.eu> (2017-07-05)
 # Both are not your typical garden-variety Linux programs and are
 # rather sensitive when it comes to compiler flags, resulting in
 # black screens, hangs or crashes. The average joe should have no
@@ -274,57 +274,57 @@ app-emulation/libvirt openvz
 sys-boot/gnu-efi custom-cflags
 sys-boot/refind custom-cflags
 
-# Michał Górny <mgorny@g.o> (29 Jun 2017)
+# Michał Górny <mgorny@g.o> (2017-06-29)
 # Upstream switched to CMake and no longer provides option to build
 # static and shared libs. The flag is preserved not to break USE
 # depenencies.
 >=app-arch/snappy-1.1.5 static-libs
 
-# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (18 Jun 2017)
+# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (2017-06-18)
 # Libav is basically unsupported by mpv, see upstream issues 3923, 3925.
 # Needs patch to even build, subs are broken and not supported anymore.
 media-video/mpv libav
 
-# Andreas K. Hüttel <dilfridge@g.o> (29 May 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-05-29)
 # Does not build
 sci-libs/linux-gpib php
 
-# Michał Górny <mgorny@g.o> (15 May 2017)
+# Michał Górny <mgorny@g.o> (2017-05-15)
 # Mask ruby20-only compatible packages
 =media-libs/libcaca-0.99_beta19 ruby
 
-# Matthias Maier <tamiko@g.o> (11 May 2017)
+# Matthias Maier <tamiko@g.o> (2017-05-11)
 # Globally mask pie use flag. Selectively unmask on specific profiles.
 sys-devel/gcc pie
 
-# Pawel Hajdan jr <phajdan.jr@g.o> (02 Mar 2017)
+# Pawel Hajdan jr <phajdan.jr@g.o> (2017-03-02)
 # Known build issue with system libvpx:
 # https://bugs.gentoo.org/show_bug.cgi?id=611394
 >=www-client/chromium-58.0.3026.3 system-libvpx
 
-# Michał Górny <mgorny@g.o> (17 Feb 2017)
+# Michał Górny <mgorny@g.o> (2017-02-17)
 # Python 2 package relies on gedit[python] which is py3 only.
 dev-vcs/rabbitvcs gedit
 
-# Mike Gilbert <floppym@g.o> (16 Feb 2017)
+# Mike Gilbert <floppym@g.o> (2017-02-16)
 # Multiple test failures.
 sys-boot/grub:2 test
 
-# Ian Stakenvicius (25 Jan 2017)
+# Ian Stakenvicius (2017-01-25)
 # rust on mozilla packages is experimental
 www-client/firefox rust
 mail-client/thunderbird rust
 
-# Lars Wendler <polynomial-c@g.o> (19 Jan 2017)
+# Lars Wendler <polynomial-c@g.o> (2017-01-19)
 # Masked until system heimdal can finally be used with AD DC
 net-fs/samba system-heimdal
 
-# Magnus Granberg <zorry@g.o> (18 Jan 2017)
+# Magnus Granberg <zorry@g.o> (2017-01-18)
 # Adding the mask so that end users and devlopers are notified of the removal and have some
 # time to migrate. There is no support for gcj in gcc-7
 >=sys-devel/gcc-6.3.0 gcj
 
-# Robin H. Johnson <robbat2@g.o> (04 Dec 2016)
+# Robin H. Johnson <robbat2@g.o> (2016-12-04)
 # Additional HAProxy functionality waiting for related stuff to land in the
 # tree.
 # bug 541042 - lua 5.3
@@ -334,37 +334,37 @@ net-proxy/haproxy 51degrees
 # bug (none) - WURFL
 net-proxy/haproxy wurfl
 
-# Pacho Ramos <pacho@g.o> (27 Nov 2016)
+# Pacho Ramos <pacho@g.o> (2016-11-27)
 # Not rely on monodevelop, bug #596656
 # dev-dotnet/zeitgeist-sharp is going to be removed, bug #582894
 net-irc/hexchat theme-manager
 
-# Pacho Ramos <pacho@g.o> (27 Nov 2016)
+# Pacho Ramos <pacho@g.o> (2016-11-27)
 # Avoid the usage of dead net-dialup/capi4k-utils
 app-emulation/crossover-bin capi
 
-# Ettore Di Giacinto <mudler@g.o> (10 Nov 2016)
+# Ettore Di Giacinto <mudler@g.o> (2016-11-10)
 # Dependency has no stable keyword
 # and as for now we have only stable mate versions
 mate-base/mate bluetooth
 
-# Ulrich Müller <ulm@g.o> (15 Oct 2016)
+# Ulrich Müller <ulm@g.o> (2016-10-15)
 # The --with-cairo option is considered as experimental by upstream
 # and causes problems with updating the X window, bug #592238
 app-editors/emacs cairo
 app-editors/emacs-vcs cairo
 
-# Michał Górny <mgorny@g.o> (05 Jul 2016)
+# Michał Górny <mgorny@g.o> (2016-07-05)
 # Mask system-clang support as it requires llvm-3.4 that is subject
 # to security bug cleanup, #585102.
 dev-util/intel-ocl-sdk system-clang
 
-# Matthew Brewer <tomboy64@××××.cn> (02 June 2016)
+# Matthew Brewer <tomboy64@××××.cn> (2016-06-02)
 # Acked-by: Amy Winston <amynka@g.o>
 # Currently broken upstream.
 >=dev-lang/rakudo-2016.05 java
 
-# Michał Górny <mgorny@g.o> (14 May 2016)
+# Michał Górny <mgorny@g.o> (2016-05-14)
 # (on behalf of QA team)
 # sys-devel/gcc[jit]:
 # - violates strict multilib rules, #569608
@@ -372,11 +372,11 @@ dev-util/intel-ocl-sdk system-clang
 # Masking the flag until it is fixed.
 sys-devel/gcc jit
 
-# Mike Frysinger <vapier@g.o> (08 May 2016)
+# Mike Frysinger <vapier@g.o> (2016-05-08)
 # Most targets do not support VTV #547040.
 sys-devel/gcc vtv
 
-# Matthew Brewer <tomboy64@××××.cn> (08 May 2016)
+# Matthew Brewer <tomboy64@××××.cn> (2016-05-08)
 # Acked-by: Amy Winston <amynka@g.o>
 # Upstream supports using Clang's address sanitizer, but apparently
 # invokes it wrong.
@@ -384,42 +384,42 @@ dev-lang/moarvm asan
 
 # Patrice Clement <monsieurp@g.o>
 # Merged on behalf of:
-# Jonathan Scruggs <j.scruggs@×××××.com> (28 Sep 2017)
+# Jonathan Scruggs <j.scruggs@×××××.com> (2017-09-28)
 # Newer versions have a patch to fix the python issues.
 <=media-libs/openimageio-1.6.13 python
 
-# Ian Stakenvicius <axs@g.o> (28 Apr 2016)
+# Ian Stakenvicius <axs@g.o> (2016-04-28)
 # system-cairo support causes lots of crashing in mozilla pkgs
 # (see bug #556378 and others)
 www-client/firefox system-cairo
 mail-client/thunderbird system-cairo
 >=www-client/seamonkey-2.41 system-cairo
 
-# James Le Cuirot <chewi@g.o> (10 Apr 2016)
+# James Le Cuirot <chewi@g.o> (2016-04-10)
 # Slower and less reliable than HotSpot and we don't support Java on
 # any non-HotSpot platforms. Don't unmask these unless you know what
 # you're doing. This has upstream's approval.
 dev-java/icedtea cacao jamvm
 
-# Patrice Clement <monsieurp@g.o> (27 Nov 2015)
+# Patrice Clement <monsieurp@g.o> (2015-11-27)
 # Unsastified dependencies are upsetting repoman. Needs investigation.
 app-arch/cfv bittorrent
 
-# Rick Farina <zerochaos@g.o> (06 Oct 2015)
+# Rick Farina <zerochaos@g.o> (2015-10-06)
 # forward porting this patch is non-trivial, mask for now
 >=net-wireless/wpa_supplicant-2.5 wimax
 
-# Justin Lecher <jlec@g.o> (22 Sep 2015)
+# Justin Lecher <jlec@g.o> (2015-09-22)
 # Downloads files during installation
 # https://bugs.gentoo.org/show_bug.cgi?id=533876
 >=sci-libs/vtk-6.1.0 examples
 
-# Jason Zaman <perfinion@g.o> (06 Sep 2015)
+# Jason Zaman <perfinion@g.o> (2015-09-06)
 # This is for cgmanager which is linux only.
 # Unmasked in default/linux/package.use.mask.
 sys-auth/consolekit cgroups
 
-# James Le Cuirot <chewi@g.o> (18 Aug 2015)
+# James Le Cuirot <chewi@g.o> (2015-08-18)
 # gcc[awt] is only used by gcj-jdk[awt] and that isn't needed by
 # anything in the tree. The toolchain folks aren't keen to support it
 # and it should probably only be used if you really know what you're
@@ -427,66 +427,66 @@ sys-auth/consolekit cgroups
 sys-devel/gcc awt
 dev-java/gcj-jdk awt
 
-# Mike Gilbert <floppym@g.o> (16 May 2015)
+# Mike Gilbert <floppym@g.o> (2015-05-16)
 # dev-lang/python[berkdb] fails with recent multilib sys-libs/db (bug 519584).
 dev-lang/python berkdb
 
-# Lars Wendler <polynomial-c@g.o> (19 Mar 2015)
+# Lars Wendler <polynomial-c@g.o> (2015-03-19)
 # >=games-strategy/freeciv-2.5.0 requires >=dev-lang/lua-5.2
 games-strategy/freeciv system-lua
 
-# Andrew Savchenko <bircoph@g.o> (11 Feb 2015)
+# Andrew Savchenko <bircoph@g.o> (2015-02-11)
 # Cluster code is still under development, only base functionality
 # is implemented. Masking for testing and evaluation.
 app-admin/clsync cluster mhash
 
-# Brian Evans <grknight@g.o> (29 Nov 2014)
+# Brian Evans <grknight@g.o> (2014-11-29)
 # Strongly recommened by upstream to disable lzo and zlib due to memory leaks
 # https://github.com/groonga/groonga/issues/6 (Japanese)
 app-text/groonga lzo zlib
 
-# Jeroen Roovers <jer@g.o> (18 Nov 2014)
+# Jeroen Roovers <jer@g.o> (2014-11-18)
 # Requires dev-lang/lua-5.2 (bug #253269)
 net-analyzer/nmap system-lua
 
-# Mike Frysinger <vapier@g.o> (21 Oct 2014)
+# Mike Frysinger <vapier@g.o> (2014-10-21)
 # Most targets do not support ASAN/etc... #504200.
 sys-devel/gcc sanitize
 
-# Rick Farina <zerochaos@g.o> (26 Aug 2014)
+# Rick Farina <zerochaos@g.o> (2014-08-26)
 # mirisdr does not seem to like making releases
 <net-wireless/gr-osmosdr-9999 mirisdr
 
-# Maxim Koltsov <maksbotan@g.o> (05 Aug 2014)
+# Maxim Koltsov <maksbotan@g.o> (2014-08-05)
 # net-libs/tox is in mva overlay only ATM
 app-leechcraft/lc-azoth sarin
 
-# Pacho Ramos <pacho@g.o> (01 Jun 2014)
+# Pacho Ramos <pacho@g.o> (2014-06-01)
 # Needs hardmasked lua-5.2
 >=media-plugins/grilo-plugins-0.2.12 lua
 
-# Rick Farina <zerochaos@g.o> (30 Dec 2015)
+# Rick Farina <zerochaos@g.o> (2015-12-30)
 # mask test use flag since tests do not pass
 # mask development use flag since most of it isn't packaged (or useful)
 net-analyzer/metasploit development test
 
-# Tom Wijsman <TomWij@g.o> (14 May 2014)
+# Tom Wijsman <TomWij@g.o> (2014-05-14)
 # Documentation generation needs APIviz which is not in the Portage tree yet.
 # Tracked in Gentoo bug #509602.
 dev-java/jboss-logging doc
 
-# Mike Frysinger <vapier@g.o> (03 Feb 2014)
+# Mike Frysinger <vapier@g.o> (2014-02-03)
 # Upstream says to not use this for now.
 dev-libs/elfutils threads
 
-# Gilles Dartiguelongue <eva@g.o> (23 Dec 2013)
+# Gilles Dartiguelongue <eva@g.o> (2013-12-23)
 # Gstreamer support fails to build due to libtool shortcomings when using
 # an intermediate library as a dependency of another libtool target dependency.
 # Since this is new and unused yet, keep it masked for now and check
 # with upstream if there is something that can be done to fix the issue.
 media-libs/cogl gstreamer
 
-# Michał Górny <mgorny@g.o> (10 Nov 2013)
+# Michał Górny <mgorny@g.o> (2013-11-10)
 # (on behalf of python@)
 # USE=sandbox is not done properly in Gentoo and results in crippled
 # PyPy install that is not usable for non-sandbox clients (and there are
@@ -495,98 +495,98 @@ media-libs/cogl gstreamer
 dev-python/pypy sandbox
 dev-python/pypy3 sandbox
 
-# Julian Ospald <hasufell@g.o> (31 Aug 2013)
+# Julian Ospald <hasufell@g.o> (2013-08-31)
 # Randomly breaks consumers at runtime. Do not report
 # gentoo bugs.
 media-libs/libsdl2 custom-cflags
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (13 Jul 2013)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2013-07-13)
 # GL/GLES support in cairo is mutually exclusive, bug #428770.
 x11-libs/cairo gles2
 
-# Kacper Kowalik <xarthisius@g.o> (19 May 2013)
+# Kacper Kowalik <xarthisius@g.o> (2013-05-19)
 # Fails to build, haven't had time to debug
 app-doc/doxygen sqlite
 
-# Alexis Ballier <aballier@g.o> (08 May 2013)
+# Alexis Ballier <aballier@g.o> (2013-05-08)
 # On behalf of Pavel Sanda <ps@××××××××××.cz>
 # Lyx is currently not working with subversion 1.7 and needs 1.6.
 app-office/lyx subversion
 
-# Christian Faulhammer <fauli@g.o> (08 May 2013)
+# Christian Faulhammer <fauli@g.o> (2013-05-08)
 # Will not build successfully yet
 mail-client/claws-mail gtk3
 
-# Bernard Cafarelli <voyageur@g.o> (04 Apr 2013)
+# Bernard Cafarelli <voyageur@g.o> (2013-04-04)
 # Broken for now (segmentation fault on play)
 gnustep-apps/cynthiune flac
 
-# Richard Freeman <rich0@g.o> (24 Mar 2013)
+# Richard Freeman <rich0@g.o> (2013-03-24)
 # Dependency is masked for buffer overflows for now
 dev-python/pyocr cuneiform
 
-# Tom Wijsman <TomWij@g.o> (10 Mar 2013)
+# Tom Wijsman <TomWij@g.o> (2013-03-10)
 # Experimental, masked until it compiles and works.
 media-libs/avidemux-core system-ffmpeg
 
-# Jory A. Pratt <anarchy@g.o> (15 Dec 2012)
+# Jory A. Pratt <anarchy@g.o> (2012-12-15)
 # PGO is known to be busted with most configurations
 www-client/firefox pgo
 
-# Diego Elio Pettenò (27 Aug 2012)
+# Diego Elio Pettenò (2012-08-27)
 # The libpci access is only used for linux.
 net-analyzer/net-snmp pci
 
-# Diego Elio Pettenò (20 Aug 2012)
+# Diego Elio Pettenò (2012-08-20)
 # The prevent-removal USE flag is only implemented for Linux.
 sys-auth/pam_mktemp prevent-removal
 
-# Samuli Suominen <ssuominen@g.o> (20 Mar 2012)
+# Samuli Suominen <ssuominen@g.o> (2012-03-20)
 # This is for udev-acl. Unmasked in default/linux/package.use.mask.
 sys-auth/consolekit acl
 
-# Bernard Cafarelli <voyageur@g.o> (08 Feb 2012)
+# Bernard Cafarelli <voyageur@g.o> (2012-02-08)
 # libobjc2/clang experimental support
 >=gnustep-base/gnustep-make-2.6.2 libobjc2
 
-# Samuli Suominen <ssuominen@g.o> (10 Jan 2012)
+# Samuli Suominen <ssuominen@g.o> (2012-01-10)
 # This is required only for Linux, so mask it here and unmask in
 # default/linux/package.use.mask. Bug 354923.
 app-arch/libarchive e2fsprogs
 
-# Mike Frysinger <vapier@g.o> (06 Dec 2011)
+# Mike Frysinger <vapier@g.o> (2011-12-06)
 # No one should be mucking with libssp unless they really know what they're
 # doing.  Force extra work on the smart peeps to protect the not-so-smart.
 sys-devel/gcc libssp
 
-# Andrey Grozin <grozin@g.o> (29 Mar 2011)
+# Andrey Grozin <grozin@g.o> (2011-03-29)
 # dev-lang/swig-2.0.2 with -octave generated .cpp files
 # incompatible with >=sci-mathematics/octave-3.4.0
 sci-libs/mathgl octave
 
-# Diego E. Pettenò <flameeyes@g.o> (27 Mar 2011)
+# Diego E. Pettenò <flameeyes@g.o> (2011-03-27)
 #
 # Mask pdnsd's Linux-specific USE flags.
 net-dns/pdnsd isdn urandom
 
-# Raúl Porcel <armin76@g.o> (13 Feb 2011)
+# Raúl Porcel <armin76@g.o> (2011-02-13)
 # Masked until devs know how to use repoman
 <media-video/mplayer-9999 bluray
 
-# Justin Lecher <jlec@g.o> (17 Nov 2010)
+# Justin Lecher <jlec@g.o> (2010-11-17)
 # Upstream didn't release patches for aria yet
 >=sci-chemistry/cns-1.3 aria
 
-# Tomas Touceda <chiiph@g.o> (13 Apr 2010)
+# Tomas Touceda <chiiph@g.o> (2010-04-13)
 # Masked because libsvm module is broken with this release on every arch.
 dev-lisp/clisp svm
 
-# Diego E. Pettenò <flameeyes@×××××.com> (18 Jan 2010)
+# Diego E. Pettenò <flameeyes@×××××.com> (2010-01-18)
 # Don't use system-wide mode unless you *really* know what you're doing.
 # Keep it masked here so that I don't need to manage two versions every time.
 media-sound/pulseaudio system-wide
 
-# Jeremy Olexa <darkside@g.o> (10 Jan 2010)
+# Jeremy Olexa <darkside@g.o> (2010-01-10)
 # Upsteam doesn't support ioctl backend and neither does Gentoo. ioctl USE flag
 # will eventually be removed unless the backend is re-written by upstream. bug
 # 299674
@@ -595,7 +595,7 @@ media-sound/pulseaudio system-wide
 # These are for BSD only
 net-proxy/squid ipf-transparent pf-transparent
 
-# Alexis Ballier <aballier@g.o> <16 Feb 2011>
+# Alexis Ballier <aballier@g.o> (2011-02-16)
 # Win32 specific useflag for vlc. Can be used for cross-compiling.
 media-video/vlc directx
 # Mac OSX / iPhone OS specific useflags

diff --git a/profiles/base/package.use.stable.mask b/profiles/base/package.use.stable.mask
index 8bde36761be..3066fadcb2c 100644
--- a/profiles/base/package.use.stable.mask
+++ b/profiles/base/package.use.stable.mask
@@ -4,171 +4,171 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in package.use.mask
 
-# Bernd Waibel <waebbl@×××××.com> (22 May 2019)
+# Bernd Waibel <waebbl@×××××.com> (2019-05-22)
 # Marked experimental, needs build and runtime testing. Due to non-
 # available licenses for arnold and maya I can not test these addons.
 # Build and functional tests and reports on issues are appreciated!
 media-gfx/alembic arnold maya
 
-# Georgy Yakovlev <gyakovlev@g.o> (10 May 2019)
+# Georgy Yakovlev <gyakovlev@g.o> (2019-05-10)
 # needs llvm slots which are not stable #678908
 # also prone to weird compilation failures
 # masking this for now, will readjust as situation changes
 >=dev-lang/rust-1.34 system-llvm
 
-# Virgil Dupras <vdupras@g.o> (10 May 2019)
+# Virgil Dupras <vdupras@g.o> (2019-05-10)
 # Needs openssl 1.1 which isn't going stable for a while and blocks
 # bug #684972. See bug #685584
 >=app-text/mupdf-1.14.0-r3 ssl
 
-# Mart Raudsepp <leio@g.o> (14 Apr 2019)
+# Mart Raudsepp <leio@g.o> (2019-04-14)
 # Needs media-plugins/gst-plugins-chromaprint, which is not stable
 # anywhere yet.
 media-plugins/grilo-plugins chromaprint
 
-# Andreas Sturmlechner <asturm@g.o> (16 Feb 2019)
+# Andreas Sturmlechner <asturm@g.o> (2019-02-16)
 # Unstable dependencies.
 media-gfx/digikam vkontakte
 media-plugins/kipi-plugins mediawiki vkontakte
 
-# Brian Evans <grknight@g.o> (06 Dec 2018)
+# Brian Evans <grknight@g.o> (2018-12-06)
 # Mask USE flag since argon2 dependency is not stable on most arches
 dev-lang/php argon2
 
-# Mikle Kolyada <zlogene@g.o> (07 Nov 2018)
+# Mikle Kolyada <zlogene@g.o> (2018-11-07)
 # sssd is only stable for amd64 and x86
 app-admin/sudo sssd
 
-# Andreas Sturmlechner <asturm@g.o> (16 Oct 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-10-16)
 # app-misc/ddcutil is not yet stable.
 kde-plasma/powerdevil brightness-control
 
-# Michał Górny <mgorny@g.o> (07 Jun 2018)
+# Michał Górny <mgorny@g.o> (2018-06-07)
 # sys-libs/netbsd-csu not stable yet.
 sys-devel/clang-runtime crt
 
-# Thomas Deutschmann <whissi@g.o> (01 Jun 2018)
+# Thomas Deutschmann <whissi@g.o> (2018-06-01)
 # Needs dev-ruby/asciidoctor which has a lot of unstable deps
 net-analyzer/wireshark doc
 
-# Andreas Sturmlechner <asturm@g.o> (29 May 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-05-29)
 # Depends on unstable media-libs/libaom
 media-video/vlc aom
 
-# Andreas Sturmlechner <asturm@g.o> (21 May 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-05-21)
 # Depends on lots of unstable dependencies
 dev-python/s3fs test
 
-# Andreas Sturmlechner <asturm@g.o> (03 Mar 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-03-03)
 # sci-geosciences/grass is not stable
 sci-geosciences/qgis grass
 
-# Matthias Maier <tamiko@g.o> (18 Mar 2018)
+# Matthias Maier <tamiko@g.o> (2018-03-18)
 # dev-libs/capstone hasn't been stabilized yet
 app-emulation/qemu capstone
 
-# Kent Fredric <kentnl@g.o> (3 Mar 2018)
+# Kent Fredric <kentnl@g.o> (2018-03-03)
 # Not an officially supported configuration, as it causes unpredictable
 # fragility and/or dependency headaches due to the very narrow interop window
 # Bugs #649408, #641108, #640724
 dev-perl/DBD-SQLite system-sqlite
 
-# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (13 Feb 2018)
+# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (2018-02-13)
 # Requires >=dev-lang/mujs-1.0.0 stabilized. mpv-0.27.2 is stabilized
 # due to a security bug, so we won't bother with javascript this time.
 ~media-video/mpv-0.27.2 javascript
 
-# Andrey Grozin <grozin@g.o> (24 Jan 2018)
+# Andrey Grozin <grozin@g.o> (2018-01-24)
 # Depends on unstable dev-python/sphinx-gallery.
 # Bug #643840.
 dev-python/matplotlib doc
 
-# Michał Górny <mgorny@g.o> (20 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-20)
 # Requires proprietary fetch-restricted package that is not suitable
 # for stabilization. Bug #645092.
 net-proxy/haproxy device-atlas
 
-# Bernard Cafarelli <voyageur@g.o> (27 Nov 2017)
+# Bernard Cafarelli <voyageur@g.o> (2017-11-27)
 # Dependencies have no stable keyword
 app-backup/backup-manager s3
 
-# Brian Evans <grknight@g.o (6 Nov 2017)
+# Brian Evans <grknight@g.o (2017-11-06)
 # Requires stable phpunit
 dev-php/PEAR-Text_Password test
 
-# Andreas Sturmlechner <asturm@g.o> (22 Oct 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-10-22)
 # Requires unmaintained unstable dependency net-libs/gloox.
 # The go flag requires stable masked dev-lang/go[gccgo].
 www-servers/uwsgi go pypy uwsgi_plugins_alarm_xmpp
 
-# Michael Palimaka <kensington@g.o> (30 Sep 2017)
+# Michael Palimaka <kensington@g.o> (2017-09-30)
 # Required dependeny is not stable
 sci-libs/gdal mdb
 
-# Tim Harder <radhermit@g.o> (11 Sep 2017)
+# Tim Harder <radhermit@g.o> (2017-09-11)
 # Requires guile-2 which is still unstable.
 >=net-irc/weechat-1.7 guile
 
-# Michael Palimaka <kensington@g.o) (11 Aug 2017)
+# Michael Palimaka <kensington@g.o) (2017-08-11)
 # Unstable dependencies.
 dev-util/rpmdevtools emacs
 
-# Andreas Sturmlechner <asturm@g.o> (23 Mar 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-03-23)
 # Requires dev-lang/julia stabilisation, bug #613576
 kde-apps/cantor julia
 
-# Brian Dolbec <dolsen@g.o> (14 Feb 2017)
+# Brian Dolbec <dolsen@g.o> (2017-02-14)
 # This is stable masked as g-sorcery is being not actively developed.
 app-portage/layman g-sorcery
 
-# David Seifert <soap@g.o> (12 Feb 2017)
+# David Seifert <soap@g.o> (2017-02-12)
 # Unknown future, stable deps are hopelessly
 # broken, only allow for unstable keywords
 # Bug: #581058
 net-misc/asterisk osplookup
 
-# Michael Palimaka <kensington@g.o (26 Jan 2017)
+# Michael Palimaka <kensington@g.o (2017-01-26)
 # Requires testing version of media-libs/opencv
 media-libs/mlt opencv
 
-# Michael Palimaka <kensington@g.o (18 Jan 2017)
+# Michael Palimaka <kensington@g.o (2017-01-18)
 # www-client/weboob is horribly outdated and not stable
 app-office/kmymoney weboob
 
-# Andreas K. Hüttel <dilfridge@g.o> (15 Jan 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-01-15)
 # Has no stable reverse deps requiring this useflag
 # Stable-masking it so Boost 1.62 stabilization can go ahead
 sci-libs/vtk mpi
 
-# Alon Bar-Lev <alonbl@g.o> (01 Jan 2017)
+# Alon Bar-Lev <alonbl@g.o> (2017-01-01)
 # Will always require unstable packages.
 net-libs/gnutls test-full
 
-# Lars Wendler <polynomial-c@g.o> (15 Dev 2016)
+# Lars Wendler <polynomial-c@g.o> (2016-12-15)
 # Requires php:7.0 and ruby:2.2 being stable
 >=dev-libs/Ice-3.6.3 php ruby
 
-# Pacho Ramos <pacho@g.o> (19 Aug 2016)
+# Pacho Ramos <pacho@g.o> (2016-08-19)
 # Not ready to be stabilized yet.
 app-admin/packagekit-base entropy
 
-# Kristian Fiskerstrand <k_f@g.o> (18 Aug 2016)
+# Kristian Fiskerstrand <k_f@g.o> (2016-08-18)
 # Dropping stable for xtrabackup-bin, stable masking use
 # flag until a source based version that doesn't depend
 # on a vulnerable libgcrypt version is in tree
 dev-db/mariadb sst-xtrabackup
 dev-db/mariadb-galera sst-xtrabackup
 
-# Sergey Popov <pinkbyte@g.o> (15 Feb 2016)
+# Sergey Popov <pinkbyte@g.o> (2016-02-15)
 # Mask monitoring capabilities of Ganeti on stable branches
 app-emulation/ganeti monitoring
 
-# Pacho Ramos <pacho@g.o> (15 May 2015)
+# Pacho Ramos <pacho@g.o> (2015-05-15)
 # Version compatible with current ffmpeg is not ready to be stabilized
 # bug #539212
 app-emulation/vice ffmpeg
 
-# Jeroen Roovers <jer@g.o> (26 Apr 2015)
+# Jeroen Roovers <jer@g.o> (2015-04-26)
 # mongodb support is nice, but dev-libs/mongo-c-driver upstream is not ready
 # yet (bug #542210)
 net-analyzer/pmacct mongodb
@@ -182,46 +182,46 @@ sci-libs/openfoam paraview
 # Mask experimental feature on stable. This also needs not yet stable mupdf.
 app-text/qpdfview fitz
 
-# Andreas K. Huettel <dilfridge@g.o> (12 Feb 2015)
+# Andreas K. Huettel <dilfridge@g.o> (2015-02-12)
 # Pulls in way too many unstable sci packages
 app-office/libreoffice coinmp
 
-# Andreas K. Huettel <dilfridge@g.o> (30 Oct 2014)
+# Andreas K. Huettel <dilfridge@g.o> (2014-10-30)
 # Pulls in sci-libs/vtk with a lot of new dependencies; stabilizing
 # that will take some more time
 media-libs/opencv vtk
 
-# Mikle Kolyada <zlogene@g.o> (16 Aug 2014)
+# Mikle Kolyada <zlogene@g.o> (2014-08-16)
 # Not yet stabilized dependency, need more testing
 >=dev-perl/PDL-2.4.11 pdl2 pgplot
 
-# Samuli Suominen <ssuominen@g.o> (01 Aug 2014)
+# Samuli Suominen <ssuominen@g.o> (2014-08-01)
 # Optional (not required by anything in gentoo-x86) and fragile (based on
 # host system, like Java JRE version). Keep masked indefinately until
 # something starts requiring these.
 # https://bugs.gentoo.org/483372 and https://bugs.gentoo.org/508564
 media-libs/libcaca java mono
 
-# Alon Bar-Lev <alonbl@g.o> (21 Jul 2014)
+# Alon Bar-Lev <alonbl@g.o> (2014-07-21)
 # dev-libs/opencryptoki will not be stabile any time soon (bug#510204)
 app-crypt/tpm-tools pkcs11
 
-# Doug Goldstein <cardoe@g.o> (12 Sep 2013)
+# Doug Goldstein <cardoe@g.o> (2013-09-12)
 # Waiting on glusterfs maintainers in bug #484016
 app-emulation/qemu glusterfs
 
-# Ian Delaney <idella4@g.o> (09 Dec 2013)
+# Ian Delaney <idella4@g.o> (2013-12-09)
 # subsequent to the total inaction of the maintainer of
 # ocaml to honour / respond in any way to
 # Bug #486076, ocaml masked to allow xen to once again
 # become a stabilisable package
 app-emulation/xen-tools ocaml
 
-# Samuli Suominen <ssuominen@g.o> (19 Mar 2014)
+# Samuli Suominen <ssuominen@g.o> (2014-03-19)
 # Some open source OpenCL providers cause sandbox violation while accessing /dev/dri/card*
 # from a command like eg. `/usr/bin/mogrify -version`, see bug #472766
 media-gfx/imagemagick opencl
 
-# Andreas K. Huettel <dilfridge@g.o> (28 Mar 2013)
+# Andreas K. Huettel <dilfridge@g.o> (2013-03-28)
 # Depends on unstable sci-libs/avogadrolibs
 kde-apps/kalzium editor

diff --git a/profiles/base/use.mask b/profiles/base/use.mask
index 8af3c738487..f692333411d 100644
--- a/profiles/base/use.mask
+++ b/profiles/base/use.mask
@@ -4,23 +4,23 @@
 # This file is only for generic masks. For arch-specific masks (i.e.
 # mask everywhere, unmask on arch/*) use arch/base.
 
-# Hans de Graaff <graaff@g.o> (7 Apr 2019)
+# Hans de Graaff <graaff@g.o> (2019-04-07)
 # Mask Ruby 2.3 as EOL
 ruby_targets_ruby23
 
-# Brian Evans <grknight@g.o> (11 Jan 2019)
+# Brian Evans <grknight@g.o> (2019-01-11)
 # Mask PHP 7.0 target as EOL
 php_targets_php7-0
 
-# Matt Turner <mattst88@g.o> (11 Nov 2018)
+# Matt Turner <mattst88@g.o> (2018-11-11)
 # d3d9 only works on amd64/x86.
 d3d9
 
-# Aaron W. Swenson <titanofold@g.o> (09 Sep 2018)
+# Aaron W. Swenson <titanofold@g.o> (2018-09-09)
 # Mask PostgreSQL 12 while in (pre-)alpha.
 postgres_targets_postgres12
 
-# Andreas K. Hüttel <dilfridge@g.o> (04 Nov 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-11-04)
 # Unkeyworded on most arches, unmasked in supported arch profiles.
 audacious
 
@@ -69,7 +69,7 @@ kernel_OpenBSD
 kernel_SunOS
 kernel_Winnt
 
-# Diego Pettenò <flameeyes@g.o> (30 Dec 2006)
+# Diego Pettenò <flameeyes@g.o> (2006-12-30)
 # These are specific of Mac OS X
 aqua
 coreaudio
@@ -80,19 +80,19 @@ prefix
 prefix-guest
 prefix-stack
 
-# Diego E. Pettenò <flameeyes@g.o> (19 Oct 2010)
+# Diego E. Pettenò <flameeyes@g.o> (2010-10-19)
 # masking flags that only apply to FreeBSD
 kqueue
 
-# Ralph Sennhauser <sera@g.o> (31 Jul 2012)
+# Ralph Sennhauser <sera@g.o> (2012-07-31)
 # Unmask in arch specific profiles when jython implementaton is available.
 python_targets_jython2_7
 python_single_target_jython2_7
 
-# Diego Elio Pettenò <flameeyes@g.o> (18 Aug 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-08-18)
 # Prelude is being masked for removal
 prelude
 
-# Diego Elio Pettenò <flameeyes@g.o> (27 Aug 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-08-27)
 # netlink is a Linux-specific interface
 netlink

diff --git a/profiles/base/use.stable.mask b/profiles/base/use.stable.mask
index 741d220aa4b..bd286e3389e 100644
--- a/profiles/base/use.stable.mask
+++ b/profiles/base/use.stable.mask
@@ -4,18 +4,18 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
-# Zac Medico <zmedico@g.o> (01 Sep 2016)
+# Zac Medico <zmedico@g.o> (2016-09-01)
 # Needs virtual/pypy* stable
 python_targets_pypy
 python_single_target_pypy
 python_targets_pypy3
 python_single_target_pypy3
 
-# Hans de Graaff <graaff@g.o> (25 Dec 2018)
+# Hans de Graaff <graaff@g.o> (2018-12-25)
 # Currently in testing and not ready to go stable yet.
 ruby_targets_ruby25
 ruby_targets_ruby26
 
-# Patrick Lauer <patrick@g.o> (28 Apr 2015)
+# Patrick Lauer <patrick@g.o> (2015-04-28)
 # dependencies not stable yet
 ayatana

diff --git a/profiles/default/bsd/fbsd/make.defaults b/profiles/default/bsd/fbsd/make.defaults
index daddac21c65..43e27554dfe 100644
--- a/profiles/default/bsd/fbsd/make.defaults
+++ b/profiles/default/bsd/fbsd/make.defaults
@@ -12,11 +12,11 @@ MAKE="gmake"
 
 USE="berkdb crypt iconv ipv6 ncurses nls oss pam pcre readline ssl tcpd zlib"
 
-# 2006/03/07 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-03-07)
 # Modular X: Support direct rendering by default
 USE="${USE} dri"
 
-# 2006/08/18 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-08-18)
 # Defaults for video drivers
 VIDEO_CARDS="dummy fbdev vmware"
 

diff --git a/profiles/default/bsd/fbsd/package.mask b/profiles/default/bsd/fbsd/package.mask
index d79ef8d87c7..973fa4f5bce 100644
--- a/profiles/default/bsd/fbsd/package.mask
+++ b/profiles/default/bsd/fbsd/package.mask
@@ -1,13 +1,13 @@
 # Copyright 1999-2013 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Diego Pettenò <flameeyes@g.o> (27 May 2005)
+# Diego Pettenò <flameeyes@g.o> (2005-05-27)
 # SGI's FAM is dead upstream, and requires mayor changes.
 # Gamin before 0.1.0 is not supported as missed the FreeBSD patches.
 # At the moment we rely on Gentopia's patched Gamin.
 app-admin/fam
 
-# Diego Pettenò <flameeyes@g.o> (23 May 2005)
+# Diego Pettenò <flameeyes@g.o> (2005-05-23)
 # Strace doesn't support FreeBSD 5. When a better port will be
 # available, this can be unmasked.
 dev-util/strace

diff --git a/profiles/default/bsd/fbsd/package.use b/profiles/default/bsd/fbsd/package.use
index c3240558eda..5c91bf16e4b 100644
--- a/profiles/default/bsd/fbsd/package.use
+++ b/profiles/default/bsd/fbsd/package.use
@@ -1,12 +1,12 @@
 # Default USE flags for specific packages
 
-# Diego Pettenò <flameeyes@g.o> (06 March 2008)
+# Diego Pettenò <flameeyes@g.o> (2008-03-06)
 # pam_racklib requires sys-libs/pam, disable it by default (it is
 # masked anyway).
 # pam_passwdqc is used by default on FreeBSD, enable it by default
 # even on Gentoo/FreeBSD.
 sys-auth/pambase -cracklib passwdqc
 
-# Arfrever Frehtes Taifersar Arahesis <arfrever@g.o> (13 Feb 2011)
+# Arfrever Frehtes Taifersar Arahesis <arfrever@g.o> (2011-02-13)
 # Disable deprecated bsddb module of Python 2 by default.
 =dev-lang/python-2* -berkdb

diff --git a/profiles/default/bsd/fbsd/package.use.mask b/profiles/default/bsd/fbsd/package.use.mask
index 2b1cdf985b0..c804607739a 100644
--- a/profiles/default/bsd/fbsd/package.use.mask
+++ b/profiles/default/bsd/fbsd/package.use.mask
@@ -1,36 +1,36 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (06 Apr 2018)
+# Michał Górny <mgorny@g.o> (2018-04-06)
 # We are building only minimal util-linux, so program flags
 # are irrelevant to us.
 sys-apps/util-linux build cramfs fdformat kill ncurses pam readline
 sys-apps/util-linux slang suid tty-helpers
 
-# Brian Evans <grknight@g.o> (2 Mar 2018)
+# Brian Evans <grknight@g.o> (2018-03-02)
 # php incorrectly looks for libacl when it is built-in on FreeBSD
 dev-lang/php acl
 
-# Thomas Deutschmann <whissi@g.o> (26 Oct 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-10-26)
 # libressl: dev-libs/libressl is a base package on FreeBSD
 net-misc/wget libressl
 
-# Thomas Deutschmann <whissi@g.o> (20 Jan 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-01-20)
 # libressl: dev-libs/libressl is a base package on FreeBSD
 net-libs/libvncserver libressl
 
-# Felix Janda <felix.janda@××××××.de> (24 Sep 2016)
+# Felix Janda <felix.janda@××××××.de> (2016-09-24)
 # net-libs/libnetfilter_conntrack is not keyworded on FreeBSD
 net-dns/dnsmasq conntrack
 
-# Thomas Deutschmann <whissi@g.o> (26 Aug 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-08-26)
 # libressl:  dev-libs/libressl is a base package on FreeBSD
 # jemalloc:  dev-libs/jemalloc is not keyworded on FreeBSD
 # systemtap: dev-util/systemtap is not keyworded on FreeBSD and is also
 #            a linux specialized tool
 dev-db/percona-server jemalloc libressl systemtap
 
-# Thomas Deutschmann <whissi@g.o> (23 Aug 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-08-23)
 # libressl: dev-libs/libressl is a base package on FreeBSD
 # luajit:   dev-lang/luajit not keyworded on FreeBSD
 www-servers/nginx libressl luajit
@@ -38,7 +38,7 @@ www-servers/nginx libressl luajit
 # As per UberLord's requests
 sys-apps/openrc pam
 
-# Jim Ramsay <lack@g.o> (7 Sep 2007)
+# Jim Ramsay <lack@g.o> (2007-09-07)
 # app-admin/gkrellm may pull in hddtemp, which is not yet available here
 app-admin/gkrellm hddtemp
 
@@ -49,14 +49,14 @@ mail-client/claws-mail pda
 # miscfiles.. that in turn does not work
 net-irc/rbot spell
 
-# Diego Pettenò <flameeyes@g.o> (18 Jan 2007)
+# Diego Pettenò <flameeyes@g.o> (2007-01-18)
 # Vixie-Cron uses pam useflag for pam_limits.so that is provided
 # by Linux-PAM we don't use for now.
 sys-process/vixie-cron pam
 
 x11-misc/xscreensaver new-login
 
-# Gilles Dartiguelongue <eva@g.o> (22 Oct 2007)
+# Gilles Dartiguelongue <eva@g.o> (2007-10-22)
 # GNU attr isn't supported
 dev-libs/glib xattr
 gnome-base/gnome-vfs acl
@@ -65,50 +65,50 @@ sys-devel/patch xattr
 # https://bugs.gentoo.org/show_bug.cgi?id=432410
 app-arch/tar xattr
 
-# Diego Pettenò <flameeyes@g.o> (21 Feb 2008)
+# Diego Pettenò <flameeyes@g.o> (2008-02-21)
 # pam_cracklib is only provided by Linux-PAM which is not usable on
 # Gentoo/FreeBSD.
-# Javier Villavicencio <the_paya@g.o> (31 Jul 2008)
+# Javier Villavicencio <the_paya@g.o> (2008-07-31)
 # pam_ssh deps on Linux-PAM.
-# Diego Pettenò <flameeyes@g.o> (1 Aug 2008)
+# Diego Pettenò <flameeyes@g.o> (2008-08-01)
 # sha512 is only supported by Linux-PAM's pam_unix for now
 sys-auth/pambase cracklib pam_ssh sha512
 
-# Alexis Ballier <aballier@g.o> (31 Jan 2009)
+# Alexis Ballier <aballier@g.o> (2009-01-31)
 # app-misc/tracker should work but needs some code fixups and it uses the fdatasync system call
 # that we do not have (bug #257052)
 # Mask it for now
 gnome-base/nautilus tracker
 
-# Naohiro Aota <naota@g.o> (04 Aug 2011)
+# Naohiro Aota <naota@g.o> (2011-08-04)
 # ads require krb5, which is maksed on FreeBSD
 # cluster require ctdb, which doesn't support FreeBSD
 net-fs/samba ads cluster
 
-# Naohiro Aota <naota@g.o> (24 Nov 2011)
+# Naohiro Aota <naota@g.o> (2011-11-24)
 # Masked because kerberos is masked
 net-dns/bind gssapi
 
-# Naohiro Aota <naota@g.o> (20 Feb 2012)
-# Ian Stakenvicius <axs@g.o> (30 Apr 2014)
+# Naohiro Aota <naota@g.o> (2012-02-20)
+# Ian Stakenvicius <axs@g.o> (2014-04-30)
 # Upstream does not support FreeBSD wifi nor crashreporter;
 # net-wireless/wireless-tools useless on fbsd, keep mozilla stuff
 # from bringing it in via mozconfig-3.eclass
 www-client/firefox wifi
 www-client/seamonkey wifi
 
-# Naohiro Aota <naota@g.o> (06 Oct 2012)
+# Naohiro Aota <naota@g.o> (2012-10-06)
 # Mask rpm, app-arch/rpm needs elfutils
 net-analyzer/net-snmp rpm
 
-# Naohiro Aota <naota@g.o> (09 Oct 2012)
+# Naohiro Aota <naota@g.o> (2012-10-09)
 # Mask dmpai, sys-apps/dmapi cannot build on BSD
 net-fs/samba dmapi
 
-# Naohiro Aota <naota@g.o> (15 Oct 2012)
+# Naohiro Aota <naota@g.o> (2012-10-15)
 # Mask numa on sys-apps/hwloc. numactl not available on FreeBSD
 sys-apps/hwloc numa
 
-# Naohiro Aota <naota@g.o> (07 Jul 2014)
+# Naohiro Aota <naota@g.o> (2014-07-07)
 # xattr support is not available on BSD #501534
 sys-apps/portage xattr

diff --git a/profiles/default/bsd/fbsd/profile.bashrc b/profiles/default/bsd/fbsd/profile.bashrc
index cb5a328f1de..89e6c19f7a8 100644
--- a/profiles/default/bsd/fbsd/profile.bashrc
+++ b/profiles/default/bsd/fbsd/profile.bashrc
@@ -11,7 +11,7 @@ type -P gxargs > /dev/null && alias xargs=gxargs
 # Attempt to point the default SHELL used by configure scripts to bash.
 # while most should work with BSD's bourne just fine, the extra scripts
 # used by some applications (specially test scripts) use way too many bashisms.
-# Alexis Ballier <29 May 2012>: Disable this, we should rather fix bugs and it
+# Alexis Ballier (2012-05-29): Disable this, we should rather fix bugs and it
 # seems to confuse libtool a couple of packages (dev-libs/libtar, net-dns/hesiod)
 # export CONFIG_SHELL="/bin/bash"
 

diff --git a/profiles/default/bsd/package.mask b/profiles/default/bsd/package.mask
index 6dee4070909..7acc12c39bc 100644
--- a/profiles/default/bsd/package.mask
+++ b/profiles/default/bsd/package.mask
@@ -27,13 +27,13 @@ sys-apps/attr
 sys-apps/acl
 net-misc/pump
 
-# Diego Pettenò <flameeyes@g.o> (5 June 2005)
+# Diego Pettenò <flameeyes@g.o> (2005-06-05)
 # metamail isn't maintained anymore upstream, Debian patches doesn't
 # work on FreeBSD, and neither on Debian or on FreeBSD the package
 # has a maintainer to coordinate with. Isn't an hard-dep for anything.
 net-mail/metamail
 
-# Diego Pettenò <flameeyes@g.o> (20 Aug 2005)
+# Diego Pettenò <flameeyes@g.o> (2005-08-20)
 # We obviously can't have linux-sources (mask this to allow the
 # virtual to be masked)
 sys-kernel/gentoo-sources

diff --git a/profiles/default/bsd/package.use b/profiles/default/bsd/package.use
index bc64369ec46..e572e7e61ca 100644
--- a/profiles/default/bsd/package.use
+++ b/profiles/default/bsd/package.use
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation.
 # Distributed under the terms of the GNU General Public License, v2
 
-# Michał Górny <mgorny@g.o> (26 Jan 2017)
+# Michał Górny <mgorny@g.o> (2017-01-26)
 # Preserve the old defaults on *BSD systems.
 sys-libs/libcxx -libcxxabi libcxxrt -libunwind
 sys-libs/libcxxrt -libunwind

diff --git a/profiles/default/bsd/package.use.force b/profiles/default/bsd/package.use.force
index 4c8d1725d5d..c7c7c02310c 100644
--- a/profiles/default/bsd/package.use.force
+++ b/profiles/default/bsd/package.use.force
@@ -1,3 +1,3 @@
-# Javier Villavicencio <the_paya@g.o> (22 Jan 2009)
+# Javier Villavicencio <the_paya@g.o> (2009-01-22)
 # Otherwise useless tar.
 app-arch/libarchive bzip2 zlib lzma

diff --git a/profiles/default/bsd/package.use.mask b/profiles/default/bsd/package.use.mask
index 6aec8e8a5ed..2842678d58e 100644
--- a/profiles/default/bsd/package.use.mask
+++ b/profiles/default/bsd/package.use.mask
@@ -1,31 +1,31 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (20 Sep 2018)
+# Michał Górny <mgorny@g.o> (2018-09-20)
 # dev-libs/libpfm has broken install rules for FreeBSD. Bug #666649.
 sys-devel/llvm exegesis
 
-# Fabian Groffen <grobian@g.o> (07 Dec 2016)
+# Fabian Groffen <grobian@g.o> (2016-12-07)
 # unkeyworded notmuch dependency, bug #587560
 mail-client/mutt notmuch
 
-# Matthias Maier <tamiko@g.o> (24 Dec 2014)
+# Matthias Maier <tamiko@g.o> (2014-12-24)
 # dev-libs/xapian is currently not keyworded for any *-bsd profile
 app-doc/doxygen doxysearch
 
-# Mikle Kolyada <zlogene@g.o> (07 Dec 2014)
+# Mikle Kolyada <zlogene@g.o> (2014-12-07)
 # There are a lot of unkeyworded dev-perl/* packages
 dev-vcs/git mediawiki mediawiki-experimental
 
-# Robin H. Johnson <robbat2@g.o> (05 Jan 2014)
+# Robin H. Johnson <robbat2@g.o> (2014-01-05)
 # Pending keywording of net-libs/miniupnpc per bug #497186
 net-proxy/dante upnp
 
-# Naohiro Aota <naota@g.o> (14 Oct 2013)
+# Naohiro Aota <naota@g.o> (2013-10-14)
 # libcap-ng is for Linux only
 net-analyzer/tcpdump drop-root
 
-# Sebastian Pipping <sping@g.o> (22 Feb 2011)
+# Sebastian Pipping <sping@g.o> (2011-02-22)
 # No dev-util/source-highlight or media-sound/lilypond here, yet (bug #356069, bug #344289)
 app-text/asciidoc test highlight
 
@@ -41,35 +41,35 @@ sys-apps/help2man nls
 # NetworkManager is Linux-only, Zephyr requires kerberos
 net-im/pidgin networkmanager zephyr
 
-# Alexis Ballier <aballier@g.o> (18 Jul 2008)
+# Alexis Ballier <aballier@g.o> (2008-07-18)
 # Requires a linux only library,  bug #226085
 dev-lang/erlang sctp
 
-# Alexis Ballier <aballier@g.o> (8 Aug 2008)
+# Alexis Ballier <aballier@g.o> (2008-08-08)
 # Linux only useflags for vlc
 media-video/vlc dc1394 ieee1394
 
-# Alexis Ballier <aballier@g.o> (8 Aug 2008)
+# Alexis Ballier <aballier@g.o> (2008-08-08)
 # Depends on torque which is a linux only thing
 # lksctp-tools is linux only too
 sys-cluster/openmpi openmpi_rm_pbs openmpi_fabrics_sctp
 
-# Alexis Ballier <aballier@g.o> (25 Sep 2008)
+# Alexis Ballier <aballier@g.o> (2008-09-25)
 # elf -> dev-libs/elfutils is too tight to the gnu libc
 # rpm could be masked but we have rpm 5 keyworded even if it's still masked.
 net-analyzer/net-snmp elf
 
-# Alexis Ballier <aballier@g.o> (4 Oct 2008)
+# Alexis Ballier <aballier@g.o> (2008-10-04)
 # clisp doesn't build out of the box but can be fixed, xindy's way of building
 # its clisp module is confused by gmake vs bsdmake, mask it until we can
 # properly keyword xindy.
 app-text/texlive xindy
 
-# Alexis Ballier <aballier@g.o> (28 Nov 2008)
+# Alexis Ballier <aballier@g.o> (2008-11-28)
 # Requires bluez-libs which is linux only
 net-libs/libpcap bluetooth
 
-# Alexis Ballier <aballier@g.o> (22 Jan 2009)
+# Alexis Ballier <aballier@g.o> (2009-01-22)
 # Requires gpm
 www-client/links livecd
 

diff --git a/profiles/default/bsd/use.mask b/profiles/default/bsd/use.mask
index b72658438e2..390fcc3df99 100644
--- a/profiles/default/bsd/use.mask
+++ b/profiles/default/bsd/use.mask
@@ -65,6 +65,6 @@ video_cards_nouveau
 # Linux only sane backends
 sane_backends_qcam
 
-# Diego E. Pettenò <flameeyes@g.o> (19 oct 2010)
+# Diego E. Pettenò <flameeyes@g.o> (2010-10-19)
 # unmasking flags that only apply to FreeBSD
 -kqueue

diff --git a/profiles/default/linux/alpha/17.0/use.mask b/profiles/default/linux/alpha/17.0/use.mask
index 66abcb4373f..50a187c63e4 100644
--- a/profiles/default/linux/alpha/17.0/use.mask
+++ b/profiles/default/linux/alpha/17.0/use.mask
@@ -1,3 +1,3 @@
-# Anthony G. Basile <blueness@g.o> (15 Apr 2012)
+# Anthony G. Basile <blueness@g.o> (2012-04-15)
 # Pulls in net-libs/axtls which is not keyworded for arch
 curl_ssl_axtls

diff --git a/profiles/default/linux/amd64/17.0/desktop/plasma/systemd/package.use b/profiles/default/linux/amd64/17.0/desktop/plasma/systemd/package.use
index e034450bfa6..bdf6c817864 100644
--- a/profiles/default/linux/amd64/17.0/desktop/plasma/systemd/package.use
+++ b/profiles/default/linux/amd64/17.0/desktop/plasma/systemd/package.use
@@ -1,7 +1,7 @@
 # Copyright 2019-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Brian Evans <grknight@g.o> (27 Feb 2019)
+# Brian Evans <grknight@g.o> (2019-02-27)
 # Avoid conflict between kde-plasma/plasma-workspace[systemd] requiring sys-apps/dbus[user-session]
 # and net-wireless/bluez[systemd,-user-session] requiring sys-apps/dbus[-user-session].
 net-wireless/bluez user-session

diff --git a/profiles/default/linux/amd64/17.0/musl/make.defaults b/profiles/default/linux/amd64/17.0/musl/make.defaults
index d09a4c21803..96ce023a7e8 100644
--- a/profiles/default/linux/amd64/17.0/musl/make.defaults
+++ b/profiles/default/linux/amd64/17.0/musl/make.defaults
@@ -3,7 +3,7 @@
 
 CHOST="x86_64-gentoo-linux-musl"
 
-# Anthony G. Basile <blueness@g.o> (01 Jul 2014)
+# Anthony G. Basile <blueness@g.o> (2014-07-01)
 # Multilib-related setup, bug #515130
 MULTILIB_ABIS="amd64"
 CHOST_amd64="${CHOST}"

diff --git a/profiles/default/linux/amd64/17.0/uclibc/make.defaults b/profiles/default/linux/amd64/17.0/uclibc/make.defaults
index c015f1daecd..0ca751c8ecb 100644
--- a/profiles/default/linux/amd64/17.0/uclibc/make.defaults
+++ b/profiles/default/linux/amd64/17.0/uclibc/make.defaults
@@ -3,7 +3,7 @@
 
 CHOST="x86_64-gentoo-linux-uclibc"
 
-# Anthony G. Basile <blueness@g.o> (01 Jul 2014)
+# Anthony G. Basile <blueness@g.o> (2014-07-01)
 # Multilib-related setup, bug #515130
 MULTILIB_ABIS="amd64"
 CHOST_amd64="${CHOST}"

diff --git a/profiles/default/linux/amd64/17.1/desktop/plasma/systemd/package.use b/profiles/default/linux/amd64/17.1/desktop/plasma/systemd/package.use
index e034450bfa6..bdf6c817864 100644
--- a/profiles/default/linux/amd64/17.1/desktop/plasma/systemd/package.use
+++ b/profiles/default/linux/amd64/17.1/desktop/plasma/systemd/package.use
@@ -1,7 +1,7 @@
 # Copyright 2019-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Brian Evans <grknight@g.o> (27 Feb 2019)
+# Brian Evans <grknight@g.o> (2019-02-27)
 # Avoid conflict between kde-plasma/plasma-workspace[systemd] requiring sys-apps/dbus[user-session]
 # and net-wireless/bluez[systemd,-user-session] requiring sys-apps/dbus[-user-session].
 net-wireless/bluez user-session

diff --git a/profiles/default/linux/amd64/package.use.mask b/profiles/default/linux/amd64/package.use.mask
index 903fc5e0694..adb5f7fb305 100644
--- a/profiles/default/linux/amd64/package.use.mask
+++ b/profiles/default/linux/amd64/package.use.mask
@@ -1,10 +1,10 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Mike Frysinger <vapier@g.o> (08 May 2016)
+# Mike Frysinger <vapier@g.o> (2016-05-08)
 # This target supports VTV #547040.
 >=sys-devel/gcc-4.9 -vtv
 
-# Mike Frysinger <vapier@g.o> (21 Oct 2014)
+# Mike Frysinger <vapier@g.o> (2014-10-21)
 # This target supports ASAN/etc... #504200.
 sys-devel/gcc -sanitize

diff --git a/profiles/default/linux/arm/17.0/desktop/plasma/systemd/package.use b/profiles/default/linux/arm/17.0/desktop/plasma/systemd/package.use
index e034450bfa6..bdf6c817864 100644
--- a/profiles/default/linux/arm/17.0/desktop/plasma/systemd/package.use
+++ b/profiles/default/linux/arm/17.0/desktop/plasma/systemd/package.use
@@ -1,7 +1,7 @@
 # Copyright 2019-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Brian Evans <grknight@g.o> (27 Feb 2019)
+# Brian Evans <grknight@g.o> (2019-02-27)
 # Avoid conflict between kde-plasma/plasma-workspace[systemd] requiring sys-apps/dbus[user-session]
 # and net-wireless/bluez[systemd,-user-session] requiring sys-apps/dbus[-user-session].
 net-wireless/bluez user-session

diff --git a/profiles/default/linux/arm/package.use.mask b/profiles/default/linux/arm/package.use.mask
index 8ffe4ce9757..b7b79a8c0fc 100644
--- a/profiles/default/linux/arm/package.use.mask
+++ b/profiles/default/linux/arm/package.use.mask
@@ -1,10 +1,10 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Mike Frysinger <vapier@g.o> (08 May 2016)
+# Mike Frysinger <vapier@g.o> (2016-05-08)
 # This target supports VTV #547040.
 >=sys-devel/gcc-6 -vtv
 
-# Mike Frysinger <vapier@g.o> (21 Oct 2014)
+# Mike Frysinger <vapier@g.o> (2014-10-21)
 # This target supports ASAN/etc... #504200.
 >=sys-devel/gcc-4.9.0 -sanitize

diff --git a/profiles/default/linux/arm64/17.0/musl/make.defaults b/profiles/default/linux/arm64/17.0/musl/make.defaults
index d9ba618fa18..70146a12835 100644
--- a/profiles/default/linux/arm64/17.0/musl/make.defaults
+++ b/profiles/default/linux/arm64/17.0/musl/make.defaults
@@ -10,7 +10,7 @@ CXXFLAGS="${CFLAGS}"
 FFLAGS="${CFLAGS}"
 FCFLAGS="${CFLAGS}"
 
-# Anthony G. Basile <blueness@g.o> (25 Oct 2015)
+# Anthony G. Basile <blueness@g.o> (2015-10-25)
 # Multilib-related setup, bug #515130
 ABI="arm64"
 DEFAULT_ABI="arm64"
@@ -18,6 +18,6 @@ MULTILIB_ABIS="arm64"
 CHOST_arm64="${CHOST}"
 LIBDIR_arm64="lib"
 
-# Michał Górny <mgorny@g.o> (14 Mar 2017)
+# Michał Górny <mgorny@g.o> (2017-03-14)
 # Unhide the ARM-specific USE_EXPANDs.
 USE_EXPAND_HIDDEN="-CPU_FLAGS_ARM"

diff --git a/profiles/default/linux/arm64/package.use.mask b/profiles/default/linux/arm64/package.use.mask
index 1897e8a4830..288a9caf6b0 100644
--- a/profiles/default/linux/arm64/package.use.mask
+++ b/profiles/default/linux/arm64/package.use.mask
@@ -1,14 +1,14 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Patrick McLean <chutzpah@g.o> (26 Mar 2019)
+# Patrick McLean <chutzpah@g.o> (2019-03-26)
 # Some test deps aren't keyworded on arm64
 dev-python/kazoo test
 
-# Mike Frysinger <vapier@g.o> (08 May 2016)
+# Mike Frysinger <vapier@g.o> (2016-05-08)
 # This target supports VTV #547040.
 >=sys-devel/gcc-6 -vtv
 
-# Mike Frysinger <vapier@g.o> (22 Mar 2016)
+# Mike Frysinger <vapier@g.o> (2016-03-22)
 # This target supports ASAN/etc... #504200.
 >=sys-devel/gcc-5 -sanitize

diff --git a/profiles/default/linux/hppa/package.use.mask b/profiles/default/linux/hppa/package.use.mask
index 98e59979c43..129881bf303 100644
--- a/profiles/default/linux/hppa/package.use.mask
+++ b/profiles/default/linux/hppa/package.use.mask
@@ -3,11 +3,11 @@
 
 # DON'T TOUCH THIS FILE. Instead, file a bug and assign it to <hppa@g.o>.
 
-# Jeroen Roovers <jer@g.o> (1 Sep 2011)
+# Jeroen Roovers <jer@g.o> (2011-09-01)
 # No hardware support for NUMA (bug #381313)
 sys-apps/hwloc numa
 
-# Jeroen Roovers <jer@g.o> (15 Aug 2008)
+# Jeroen Roovers <jer@g.o> (2008-08-15)
 # HPPA still isn't supported with anything but -O0.
 www-client/firefox custom-optimization
 

diff --git a/profiles/default/linux/ia64/17.0/use.mask b/profiles/default/linux/ia64/17.0/use.mask
index 15d9352dba9..440155068a7 100644
--- a/profiles/default/linux/ia64/17.0/use.mask
+++ b/profiles/default/linux/ia64/17.0/use.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Anthony G. Basile <blueness@g.o> (15 Apr 2012)
+# Anthony G. Basile <blueness@g.o> (2012-04-15)
 # Pulls in net-libs/axtls which is not keyworded for arch
 curl_ssl_axtls

diff --git a/profiles/default/linux/make.defaults b/profiles/default/linux/make.defaults
index 0716de8a14c..53627949e14 100644
--- a/profiles/default/linux/make.defaults
+++ b/profiles/default/linux/make.defaults
@@ -19,37 +19,37 @@ USE="${USE} fortran openmp"
 # Security ftw.
 USE="${USE} seccomp"
 
-# 2010/10/21 - Ole Markus With <olemarkus@g.o>
+# Ole Markus With <olemarkus@g.o> (2010-10-21)
 # These USE flags were originally inserted here because of PHP
 # and were later removed by me. Reinserting the USE flags again because they are
 # global USE flags that may be expected to be set by other packages.
 USE="${USE} cli pcre"
 
-# 2006/03/07 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-03-07)
 # Modular X: Support direct rendering by default
-# 2013/01/21 - Andreas K. Huettel <dilfridge@g.o>
+# Andreas K. Huettel <dilfridge@g.o> (2013-01-21)
 # Re-added following discussion with chithead
 USE="${USE} dri"
 
-# 2006/10/28 - Luca Barbato <lu_zero@g.o>
+# Luca Barbato <lu_zero@g.o> (2006-10-28)
 # on glibc system you cannot turn it off
 USE="${USE} iconv"
 
-# 2017/01/17 - Matt Turner <mattst88@g.o>
+# Matt Turner <mattst88@g.o> (2017-01-17)
 # Sane defaults for input drivers
 INPUT_DEVICES="libinput"
 
-# 2006/08/18 - Donnie Berkholz <dberkholz@g.o>
+# Donnie Berkholz <dberkholz@g.o> (2006-08-18)
 # Lowest common denominator defaults for video drivers,
 # except hppa, which lacks v4l so removes it in the hppa profile
 VIDEO_CARDS="dummy fbdev v4l"
 
-# 2008/07/09 - Doug Goldstein <cardoe@g.o>
+# Doug Goldstein <cardoe@g.o> (2008-07-09)
 # Adding LDFLAGS="-Wl,-O1 for all Linux profiles by default
 # after discussion on the gentoo-dev ML. As we bang out a clear
 # direction with how LDFLAGS will be set by default, this entry
 # may move.
-# 2010/07/12 - Samuli Suominen <ssuominen@g.o>
+# Samuli Suominen <ssuominen@g.o> (2010-07-12)
 # Note that adding LDFLAGS="-Wl,-O1 ${LDFLAGS}" breaks dev-util/boost-build
 # because of whitespace.
 LDFLAGS="-Wl,-O1 -Wl,--as-needed"

diff --git a/profiles/default/linux/mips/package.use.mask b/profiles/default/linux/mips/package.use.mask
index 310a7667e9c..c3bd17b1a14 100644
--- a/profiles/default/linux/mips/package.use.mask
+++ b/profiles/default/linux/mips/package.use.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (07 Dec 2016)
+# Fabian Groffen <grobian@g.o> (2016-12-07)
 # unkeyworded notmuch dependency, bug #587560
 mail-client/mutt notmuch

diff --git a/profiles/default/linux/musl/mips/make.defaults b/profiles/default/linux/musl/mips/make.defaults
index 06fe764dc9f..f1406ac0ecd 100644
--- a/profiles/default/linux/musl/mips/make.defaults
+++ b/profiles/default/linux/musl/mips/make.defaults
@@ -10,7 +10,7 @@ CXXFLAGS="${CFLAGS}"
 FFLAGS="${CFLAGS}"
 FCFLAGS="${CFLAGS}"
 
-# Anthony G. Basile <blueness@g.o> (01 Jul 2014)
+# Anthony G. Basile <blueness@g.o> (2014-07-01)
 # Multilib-related setup, bug #515130
 ABI="o32"
 DEFAULT_ABI="o32"

diff --git a/profiles/default/linux/musl/mips/package.use.force b/profiles/default/linux/musl/mips/package.use.force
index 0668465065e..dc332c75984 100644
--- a/profiles/default/linux/musl/mips/package.use.force
+++ b/profiles/default/linux/musl/mips/package.use.force
@@ -1,4 +1,4 @@
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_Mips
 sys-devel/clang llvm_targets_Mips

diff --git a/profiles/default/linux/musl/package.use b/profiles/default/linux/musl/package.use
index 2d99b60f76b..2220022c5f7 100644
--- a/profiles/default/linux/musl/package.use
+++ b/profiles/default/linux/musl/package.use
@@ -1,7 +1,7 @@
 # Copyright 1999-2016 Gentoo Foundation.
 # Distributed under the terms of the GNU General Public License v2
 
-# Anthony G. Basile <blueness@g.o> (14 Jul 2016)
+# Anthony G. Basile <blueness@g.o> (2016-07-14)
 # We need this to break a circular dependency with
 # 'sys-libs/libcap pam' in stage3 catalyst builds
 sys-libs/pam -filecaps

diff --git a/profiles/default/linux/package.use b/profiles/default/linux/package.use
index 36a4bb16d5d..e45526319f5 100644
--- a/profiles/default/linux/package.use
+++ b/profiles/default/linux/package.use
@@ -1,15 +1,15 @@
 # Copyright 1999-2011 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Mike Gilbert <floppym@g.o> (29 Oct 2017)
+# Mike Gilbert <floppym@g.o> (2017-10-29)
 # Override default from make.defaults, bug 635822.
 net-libs/mbedtls -zlib
 
-# Mike Frysinger <vapier@g.o> (12 Nov 2015)
+# Mike Frysinger <vapier@g.o> (2015-11-12)
 # We want busybox statically linked by default as it is the system rescue shell.
 # But we cannot statically link pam, so turn that off by default. #468580
 sys-apps/busybox -pam static
 
-# Arfrever Frehtes Taifersar Arahesis <arfrever@g.o> (13 Feb 2011)
+# Arfrever Frehtes Taifersar Arahesis <arfrever@g.o> (2011-02-13)
 # Disable deprecated bsddb module of Python 2 by default.
 =dev-lang/python-2* -berkdb

diff --git a/profiles/default/linux/package.use.mask b/profiles/default/linux/package.use.mask
index 9f49523996e..9178c9e023e 100644
--- a/profiles/default/linux/package.use.mask
+++ b/profiles/default/linux/package.use.mask
@@ -1,53 +1,53 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Aaron Bauman <bman@g.o> (14 Apr 2019)
+# Aaron Bauman <bman@g.o> (2019-04-14)
 # Masked due to vulnerability in dev-libs/ace
 dev-cpp/xsd ace
 
-# Jason Zaman <perfinion@g.o> (06 Sep 2015)
+# Jason Zaman <perfinion@g.o> (2015-09-06)
 # This is masked in base/package.use.mask as Linux only.
 sys-auth/consolekit -cgroups
 
-# Michael Palimaka <kensington@g.o> (03 Sep 2015)
+# Michael Palimaka <kensington@g.o> (2015-09-03)
 # Native inotify support is preferred on linux.
 kde-frameworks/kcoreaddons fam
 
-# Christian Ruppert <idl0r@g.o> (23 Aug 2015)
+# Christian Ruppert <idl0r@g.o> (2015-08-23)
 # seccomp seems completely broken currently but has been added as global default
 # apparently... #558100
 # https://archives.gentoo.org/gentoo-dev/message/38503d86a1c41bccfa607745467b1be7
 net-dns/bind seccomp
 
-# Diego Elio Pettenò (27 Aug 2012)
+# Diego Elio Pettenò (2012-08-27)
 # The libpci access is only used for linux.
 net-analyzer/net-snmp -pci
 
-# Richard Yao <ryao@g.o> (22 August 2012)
+# Richard Yao <ryao@g.o> (2012-08-22)
 # USE=kernel-builtin is dangerous. Only those that know what they are doing
 # should use it until documentation improves.
 sys-fs/zfs kernel-builtin
 
-# Diego Elio Pettenò (20 Aug 2012)
+# Diego Elio Pettenò (2012-08-20)
 # The prevent-removal USE flag is only implemented for Linux.
 sys-auth/pam_mktemp -prevent-removal
 
 sys-devel/gcc hardened
 sys-libs/glibc hardened
 
-# Samuli Suominen <ssuominen@g.o> (30 Apr 2012)
+# Samuli Suominen <ssuominen@g.o> (2012-04-30)
 # This is replaced by native CONFIG_INOTIFY_USER support wrt #413403
 =dev-libs/glib-2* fam
 
-# Samuli Suominen <ssuominen@g.o (20 Mar 2012)
+# Samuli Suominen <ssuominen@g.o (2012-03-20)
 # This is masked in base/package.use.mask as Linux only.
 sys-auth/consolekit -acl
 
-# Samuli Suominen <ssuominen@g.o> (10 Jan 2012)
+# Samuli Suominen <ssuominen@g.o> (2012-01-10)
 # Masked in base/package.use.mask as Linux -only feature
 app-arch/libarchive -e2fsprogs
 
-# Diego E. Pettenò <flameeyes@g.o> (20 Aug 2009)
+# Diego E. Pettenò <flameeyes@g.o> (2009-08-20)
 #
 # Mask oss USE flag for PulseAudio; it's present for compatibility
 # with FreeBSD and other operating systems that have no better
@@ -57,7 +57,7 @@ app-arch/libarchive -e2fsprogs
 # they are excluded.
 >=media-sound/pulseaudio-0.9.16_rc5 oss
 
-# Diego E. Pettenò <flameeyes@g.o> (27 Mar 2011)
+# Diego E. Pettenò <flameeyes@g.o> (2011-03-27)
 #
 # Unmask pdnsd's Linux-specific USE flags.
 net-dns/pdnsd -isdn -urandom

diff --git a/profiles/default/linux/powerpc/package.use.mask b/profiles/default/linux/powerpc/package.use.mask
index b5800014c58..6a1e090315a 100644
--- a/profiles/default/linux/powerpc/package.use.mask
+++ b/profiles/default/linux/powerpc/package.use.mask
@@ -1,10 +1,10 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (07 Dec 2016)
+# Fabian Groffen <grobian@g.o> (2016-12-07)
 # unkeyworded notmuch dependency, bug #587560
 mail-client/mutt notmuch
 
-# Mike Frysinger <vapier@g.o> (21 Oct 2014)
+# Mike Frysinger <vapier@g.o> (2014-10-21)
 # This target supports ASAN/etc... #504200.
 sys-devel/gcc -sanitize

diff --git a/profiles/default/linux/powerpc/ppc32/17.0/musl/make.defaults b/profiles/default/linux/powerpc/ppc32/17.0/musl/make.defaults
index d64df188a33..92e50a93c60 100644
--- a/profiles/default/linux/powerpc/ppc32/17.0/musl/make.defaults
+++ b/profiles/default/linux/powerpc/ppc32/17.0/musl/make.defaults
@@ -3,7 +3,7 @@
 
 CHOST="powerpc-gentoo-linux-musl"
 
-# Anthony G. Basile <blueness@g.o> (01 Jul 2014)
+# Anthony G. Basile <blueness@g.o> (2014-07-01)
 # Multilib-related setup, bug #515130
 MULTILIB_ABIS="ppc"
 CHOST_ppc="${CHOST}"

diff --git a/profiles/default/linux/powerpc/ppc32/17.0/uclibc/make.defaults b/profiles/default/linux/powerpc/ppc32/17.0/uclibc/make.defaults
index 1dac63fd18a..38a34182609 100644
--- a/profiles/default/linux/powerpc/ppc32/17.0/uclibc/make.defaults
+++ b/profiles/default/linux/powerpc/ppc32/17.0/uclibc/make.defaults
@@ -3,7 +3,7 @@
 
 CHOST="powerpc-gentoo-linux-uclibc"
 
-# Anthony G. Basile <blueness@g.o> (01 Jul 2014)
+# Anthony G. Basile <blueness@g.o> (2014-07-01)
 # Multilib-related setup, bug #515130
 MULTILIB_ABIS="ppc"
 CHOST_ppc="${CHOST}"

diff --git a/profiles/default/linux/powerpc/ppc32/17.0/uclibc/package.use b/profiles/default/linux/powerpc/ppc32/17.0/uclibc/package.use
index c5b2c94bf03..f0df3883da0 100644
--- a/profiles/default/linux/powerpc/ppc32/17.0/uclibc/package.use
+++ b/profiles/default/linux/powerpc/ppc32/17.0/uclibc/package.use
@@ -1,3 +1,3 @@
-# Anthony G. Basile <blueness@g.o> (14 Jun 2019)
+# Anthony G. Basile <blueness@g.o> (2019-06-14)
 # This is needed for default stage3
 sys-libs/gdbm berkdb

diff --git a/profiles/default/linux/powerpc/ppc32/17.0/uclibc/package.use.mask b/profiles/default/linux/powerpc/ppc32/17.0/uclibc/package.use.mask
index 19760ecc41d..e7b179867f2 100644
--- a/profiles/default/linux/powerpc/ppc32/17.0/uclibc/package.use.mask
+++ b/profiles/default/linux/powerpc/ppc32/17.0/uclibc/package.use.mask
@@ -1,7 +1,7 @@
-# Anthony G. Basile <blueness@g.o> (12 Jun 2019)
+# Anthony G. Basile <blueness@g.o> (2019-06-12)
 # Unfortunately pie has broken on ppc uclibc for years
 sys-devel/gcc pie
 
-# Anthony G. Basile <blueness@g.o> (14 Jun 2019)
+# Anthony G. Basile <blueness@g.o> (2019-06-14)
 # pie is also broken on openssh uclibc
 net-misc/openssh pie

diff --git a/profiles/default/linux/sparc/17.0/package.use.mask b/profiles/default/linux/sparc/17.0/package.use.mask
index 865559c7217..2ede4203015 100644
--- a/profiles/default/linux/sparc/17.0/package.use.mask
+++ b/profiles/default/linux/sparc/17.0/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Anthony G. Basile <blueness@g.o> (Dec 21, 2011)
+# Anthony G. Basile <blueness@g.o> (2011-12-21)
 #
 # Mask the vde flag on tinc because net-misc/vde is not
 # keyworded for sparc

diff --git a/profiles/default/linux/sparc/17.0/use.stable.mask b/profiles/default/linux/sparc/17.0/use.stable.mask
index 3fb80d37e93..f24ba8c0196 100644
--- a/profiles/default/linux/sparc/17.0/use.stable.mask
+++ b/profiles/default/linux/sparc/17.0/use.stable.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Ben Kohler <bkohler@g.o> (11 Jun 2019)
+# Ben Kohler <bkohler@g.o> (2019-06-11)
 # Pulls in net-libs/axtls which is not stable for sparc
 curl_ssl_axtls

diff --git a/profiles/default/linux/sparc/package.use.mask b/profiles/default/linux/sparc/package.use.mask
index b5800014c58..6a1e090315a 100644
--- a/profiles/default/linux/sparc/package.use.mask
+++ b/profiles/default/linux/sparc/package.use.mask
@@ -1,10 +1,10 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (07 Dec 2016)
+# Fabian Groffen <grobian@g.o> (2016-12-07)
 # unkeyworded notmuch dependency, bug #587560
 mail-client/mutt notmuch
 
-# Mike Frysinger <vapier@g.o> (21 Oct 2014)
+# Mike Frysinger <vapier@g.o> (2014-10-21)
 # This target supports ASAN/etc... #504200.
 sys-devel/gcc -sanitize

diff --git a/profiles/default/linux/uclibc/mips/make.defaults b/profiles/default/linux/uclibc/mips/make.defaults
index 2a9891e9114..3e3fbc4a2be 100644
--- a/profiles/default/linux/uclibc/mips/make.defaults
+++ b/profiles/default/linux/uclibc/mips/make.defaults
@@ -10,7 +10,7 @@ CXXFLAGS="${CFLAGS}"
 FFLAGS="${CFLAGS}"
 FCFLAGS="${CFLAGS}"
 
-# Anthony G. Basile <blueness@g.o> (01 Jul 2014)
+# Anthony G. Basile <blueness@g.o> (2014-07-01)
 # Multilib-related setup, bug #515130
 ABI="o32"
 DEFAULT_ABI="o32"

diff --git a/profiles/default/linux/uclibc/mips/package.use.force b/profiles/default/linux/uclibc/mips/package.use.force
index 9dea18f7395..89f4520ca4e 100644
--- a/profiles/default/linux/uclibc/mips/package.use.force
+++ b/profiles/default/linux/uclibc/mips/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (24 Sep 2016)
+# Michał Górny <mgorny@g.o> (2016-09-24)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_Mips
 sys-devel/clang llvm_targets_Mips

diff --git a/profiles/default/linux/uclibc/mips/package.use.mask b/profiles/default/linux/uclibc/mips/package.use.mask
index 5aec6f4b252..c35197979b5 100644
--- a/profiles/default/linux/uclibc/mips/package.use.mask
+++ b/profiles/default/linux/uclibc/mips/package.use.mask
@@ -1,22 +1,22 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Felix Janda <felix.janda@××××××.de> (24 Sep 2016)
+# Felix Janda <felix.janda@××××××.de> (2016-09-24)
 # net-libs/libnetfilter_conntrack is not keyworded on mips
 net-dns/dnsmasq conntrack
 
-# Thomas Deutschmann <whissi@g.o> (23 Aug 2016)
+# Thomas Deutschmann <whissi@g.o> (2016-08-23)
 # net-libs/openpgm is not keyworded on mips
 net-libs/zeromq pgm
 
-# Davide Pesavento <pesa@g.o> (26 Oct 2015)
+# Davide Pesavento <pesa@g.o> (2015-10-26)
 # Tests require non-keyworded qt5
 dev-qt/qtchooser test
 
-# Matthias Maier <tamiko@g.o> (24 Dec 2014)
+# Matthias Maier <tamiko@g.o> (2014-12-24)
 # sys-devel/clang is not keyworded on mips.
 app-doc/doxygen clang
 
-# Matthias Maier <tamiko@g.o> (17 Oct 2014)
+# Matthias Maier <tamiko@g.o> (2014-10-17)
 # virtual/jre is not keyworded on mips.
 net-print/cups java

diff --git a/profiles/default/linux/uclibc/package.use b/profiles/default/linux/uclibc/package.use
index 7f56ec7fbc3..b6048021498 100644
--- a/profiles/default/linux/uclibc/package.use
+++ b/profiles/default/linux/uclibc/package.use
@@ -1,6 +1,6 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# 17 Aug 2014; Anthony G. Basile <blueness@g.o>
+# Anthony G. Basile <blueness@g.o> (2014-08-17)
 # Avoid pulling in glib
 dev-util/pkgconfig internal-glib

diff --git a/profiles/default/linux/uclibc/package.use.mask b/profiles/default/linux/uclibc/package.use.mask
index d50e095b028..6e32f7f6fd2 100644
--- a/profiles/default/linux/uclibc/package.use.mask
+++ b/profiles/default/linux/uclibc/package.use.mask
@@ -1,17 +1,17 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@g.o> (12 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-12)
 # Those require USE=java that is masked in this profile.
 app-emulation/virtualbox vboxwebsrv
 app-office/libreoffice libreoffice_extensions_wiki-publisher
 
-# Thomas Deutschmann <whissi@g.o> (21 Jan 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-01-21)
 # Mask due Gnome3 not going to be stabilized on this arch
 # due to uclibc
 dev-util/geany-plugins gtkspell
 
-# Joshua Kinard <kumba@g.o> (18 Jan 2016)
+# Joshua Kinard <kumba@g.o> (2016-01-18)
 # Fails linking to gettext/libintl for symbol 'libintl_gettext'.
 # Is fixable by using 'append-ldflags' from flag-o-matic to force
 # -lintl, but that's a QA violation.  Real solution is to use

diff --git a/profiles/default/linux/uclibc/use.mask b/profiles/default/linux/uclibc/use.mask
index 8dd4552a9bf..32ee894d848 100644
--- a/profiles/default/linux/uclibc/use.mask
+++ b/profiles/default/linux/uclibc/use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation.
 # Distributed under the terms of the GNU General Public License v2
 
-# Thomas Deutschmann <whissi@g.o> (28 Jan 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-01-28)
 # No JAVA in uclibc
 java
 

diff --git a/profiles/default/linux/use.mask b/profiles/default/linux/use.mask
index a801fcedca7..3001bb9f1f3 100644
--- a/profiles/default/linux/use.mask
+++ b/profiles/default/linux/use.mask
@@ -6,10 +6,10 @@
 # profile (such as the selinux profiles) have a USE flag associated with
 # them.
 
-# Diego Elio Pettenò <flameeyes@g.o> (27 Aug 2012)
+# Diego Elio Pettenò <flameeyes@g.o> (2012-08-27)
 # netlink is a Linux-specific interface
 -netlink
 
-# Samuli Suominen <ssuominen@g.o> (19 Apr 2013)
+# Samuli Suominen <ssuominen@g.o> (2013-04-19)
 # Linux specific module loading/unloading support
 -kmod

diff --git a/profiles/default/linux/x86/17.0/desktop/plasma/systemd/package.use b/profiles/default/linux/x86/17.0/desktop/plasma/systemd/package.use
index e034450bfa6..bdf6c817864 100644
--- a/profiles/default/linux/x86/17.0/desktop/plasma/systemd/package.use
+++ b/profiles/default/linux/x86/17.0/desktop/plasma/systemd/package.use
@@ -1,7 +1,7 @@
 # Copyright 2019-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Brian Evans <grknight@g.o> (27 Feb 2019)
+# Brian Evans <grknight@g.o> (2019-02-27)
 # Avoid conflict between kde-plasma/plasma-workspace[systemd] requiring sys-apps/dbus[user-session]
 # and net-wireless/bluez[systemd,-user-session] requiring sys-apps/dbus[-user-session].
 net-wireless/bluez user-session

diff --git a/profiles/default/linux/x86/17.0/uclibc/make.defaults b/profiles/default/linux/x86/17.0/uclibc/make.defaults
index 7242f3043f9..846d921dc2c 100644
--- a/profiles/default/linux/x86/17.0/uclibc/make.defaults
+++ b/profiles/default/linux/x86/17.0/uclibc/make.defaults
@@ -3,7 +3,7 @@
 
 CHOST="i686-gentoo-linux-uclibc"
 
-# Anthony G. Basile <blueness@g.o> (01 Jul 2014)
+# Anthony G. Basile <blueness@g.o> (2014-07-01)
 # Multilib-related setup, bug #515130
 MULTILIB_ABIS="x86"
 CHOST_x86="${CHOST}"

diff --git a/profiles/default/linux/x86/package.use.mask b/profiles/default/linux/x86/package.use.mask
index 06fd79e76a5..fa4131e93f5 100644
--- a/profiles/default/linux/x86/package.use.mask
+++ b/profiles/default/linux/x86/package.use.mask
@@ -1,10 +1,10 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Mike Frysinger <vapier@g.o> (08 May 2016)
+# Mike Frysinger <vapier@g.o> (2016-05-08)
 # This target supports VTV #547040.
 >=sys-devel/gcc-4.9 -vtv
 
-# Mike Frysinger <vapier@g.o> (21 Oct 2014)
+# Mike Frysinger <vapier@g.o> (2014-10-21)
 # This target supports ASAN/etc... #504200.
 sys-devel/gcc -sanitize

diff --git a/profiles/features/hardened/amd64/package.use b/profiles/features/hardened/amd64/package.use
index ce8ff26051b..944deb8d886 100644
--- a/profiles/features/hardened/amd64/package.use
+++ b/profiles/features/hardened/amd64/package.use
@@ -1,7 +1,7 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Magnus Granberg <zorry@g.o> (14 Jan, 2015)
+# Magnus Granberg <zorry@g.o> (2015-01-14)
 # We need to have the pic flag on.
 # Bugs 358929, 490276, 513464, 523736 and 512208.
 media-libs/x264 pic

diff --git a/profiles/features/hardened/make.defaults b/profiles/features/hardened/make.defaults
index cd5eaf2d565..8435f024ae4 100644
--- a/profiles/features/hardened/make.defaults
+++ b/profiles/features/hardened/make.defaults
@@ -1,7 +1,7 @@
 # Copyright 1999-2019 Gentoo Foundation.
 # Distributed under the terms of the GNU General Public License v2
 
-# Jorge Manuel B. S. Vicetto <jmbsvicetto@g.o> (16 Nov 2011)
+# Jorge Manuel B. S. Vicetto <jmbsvicetto@g.o> (2011-11-16)
 # Rename STAGE1_USE to BOOTSTRAP_USE and stack it to the parent value
 BOOTSTRAP_USE="${BOOTSTRAP_USE} hardened pic xtpax -jit -orc"
 

diff --git a/profiles/features/hardened/package.use.mask b/profiles/features/hardened/package.use.mask
index 12eae87601c..e02b6fa64f6 100644
--- a/profiles/features/hardened/package.use.mask
+++ b/profiles/features/hardened/package.use.mask
@@ -6,7 +6,7 @@ sys-apps/hwloc gl
 sys-devel/gcc -hardened
 sys-libs/glibc -hardened
 
-# Ian Stakenvicius <axs@g.o> (03 Dec 2014)
+# Ian Stakenvicius <axs@g.o> (2014-12-03)
 # Have no way of knowing what Gecko Media Plugins will install in profiles
 www-client/firefox gmp-autoupdate
 

diff --git a/profiles/features/multilib/make.defaults b/profiles/features/multilib/make.defaults
index a844d754369..74e6d3748ee 100644
--- a/profiles/features/multilib/make.defaults
+++ b/profiles/features/multilib/make.defaults
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Jorge Manuel B. S. Vicetto <jmbsvicetto@g.o> (16 Nov 2011)
+# Jorge Manuel B. S. Vicetto <jmbsvicetto@g.o> (2011-11-16)
 # Rename STAGE1_USE to BOOTSTRAP_USE and stack it to the parent value
 # This is so we build with multilib from the start
 BOOTSTRAP_USE="${BOOTSTRAP_USE} multilib"

diff --git a/profiles/features/multilib/use.mask b/profiles/features/multilib/use.mask
index 7471c9f0544..fe0e8f819b3 100644
--- a/profiles/features/multilib/use.mask
+++ b/profiles/features/multilib/use.mask
@@ -3,6 +3,6 @@
 
 # SECTION: Unmask
 
-# 2008/02/13 - Chris Gianelloni <wolf31o2@g.o>
+# Chris Gianelloni <wolf31o2@g.o> (2008-02-13)
 # Unmask multilib, since we need to use it.
 -multilib

diff --git a/profiles/features/musl/package.use b/profiles/features/musl/package.use
index 87d13cec246..9f8906ae564 100644
--- a/profiles/features/musl/package.use
+++ b/profiles/features/musl/package.use
@@ -1,7 +1,7 @@
 # Copyright 1999-2018 Gentoo Foundation.
 # Distributed under the terms of the GNU General Public License v2
 
-# Anthony G. Basile <blueness@g.o> (14 Jul 2016)
+# Anthony G. Basile <blueness@g.o> (2016-07-14)
 # We need this to break a circular dependency with
 # 'sys-libs/libcap pam' in stage3 catalyst builds
 sys-libs/pam -filecaps

diff --git a/profiles/features/prefix/make.defaults b/profiles/features/prefix/make.defaults
index 28ddc1270c9..3dbb25ed7df 100644
--- a/profiles/features/prefix/make.defaults
+++ b/profiles/features/prefix/make.defaults
@@ -1,11 +1,11 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (19 Apr 2016)
+# Michael Haubenwallner <haubi@g.o> (2016-04-19)
 # We can not use xattrs by default in Prefix.
 USE="-xattr"
 
-# Jeremy Olexa <darkside@g.o> (30 Jun 2009)
+# Jeremy Olexa <darkside@g.o> (2009-06-30)
 # As of now, there does not exist a reliable working sandbox implementation on
 # any Gentoo Prefix platform. Lately, sandbox has caused *many* issues that
 # the Gentoo Prefix team has no time to fix and/or troubleshoot. see: bug 271424

diff --git a/profiles/features/prefix/package.mask b/profiles/features/prefix/package.mask
index dfa6e719cf8..6c331738314 100644
--- a/profiles/features/prefix/package.mask
+++ b/profiles/features/prefix/package.mask
@@ -1,22 +1,22 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Jeremy Olexa <darkside@g.o> (30 Jun 2009)
+# Jeremy Olexa <darkside@g.o> (2009-06-30)
 # The PAM auth system just will not work in Gentoo Prefix, instead the host auth
 # system should be used.
 sys-libs/pam
 sys-auth/pambase
 
-# Jeremy Olexa <darkside@g.o> (02 Jun 2009)
+# Jeremy Olexa <darkside@g.o> (2009-06-02)
 # If you have MacFuse or some other implementation of fuse installed, you can
 # probably use this by placing sys-fs/fuse in package.provided, bug 272210
 net-fs/curlftpfs
 
-# Jeremy Olexa <darkside@g.o> (02 Dec 2008)
+# Jeremy Olexa <darkside@g.o> (2008-12-02)
 # Reported to work. However, you will need to package.provide some deps. 
 # See bug 248809 for more details.
 net-fs/openafs
 
-# Fabian Groffen <grobian@g.o> (11 Jan 2008)
+# Fabian Groffen <grobian@g.o> (2008-01-11)
 # Screws up things, see bug #204998
 <sys-devel/gcc-3.4.0

diff --git a/profiles/features/prefix/package.use.mask b/profiles/features/prefix/package.use.mask
index 282c829d574..bb3817c570a 100644
--- a/profiles/features/prefix/package.use.mask
+++ b/profiles/features/prefix/package.use.mask
@@ -1,31 +1,31 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Benda Xu <heroxbd@g.o> (28 Jul 2016)
+# Benda Xu <heroxbd@g.o> (2016-07-28)
 # Needs root privilege.
 sys-fs/eudev hwdb kmod
 
-# Kacper Kowalik <xarthisius@g.o> (14 Jan 2012)
+# Kacper Kowalik <xarthisius@g.o> (2012-01-14)
 # sci-libs/mkl don't have prefix keywords
 dev-python/numexpr mkl
 
-# Fabian Groffen <grobian@g.o> (08 Dec 2011)
+# Fabian Groffen <grobian@g.o> (2011-12-08)
 # USE=vanilla produces a broken compiler for Prefix.  Only use this flag
 # when you're absolutely sure what you're doing.  Do NOT report bugs
 # about failing packages when using a vanilla compiler!
 sys-devel/gcc vanilla
 
-# Rafael Goncalves Martins <rafaelmartins@g.o> (29 Sep 2010)
+# Rafael Goncalves Martins <rafaelmartins@g.o> (2010-09-29)
 # dev-libs/judy without prefix keywords
 # (amd64-linux and x86-linux)
 sci-electronics/gtkwave judy
 
-# Christian Faulhammer <fauli@g.o> (09 Jan 2010)
+# Christian Faulhammer <fauli@g.o> (2010-01-09)
 # m17n-lib is not available in Prefix
 app-editors/emacs-vcs m17n-lib
 app-editors/emacs m17n-lib
 
-# Jeremy Olexa <darkside@g.o> (30 Sep 2009)
+# Jeremy Olexa <darkside@g.o> (2009-09-30)
 # berkdb has hardcoded paths all over, breaks on linux at least. Use flag
 # disappearing in next bump: prefix can be early and force it to be not used to
 # save headaches.
@@ -33,10 +33,10 @@ app-editors/emacs m17n-lib
 # it currently causes failures on linux. It can be made a "less global" mask.
 dev-lang/python berkdb
 
-# Elias Pipping <pipping@g.o> (18 Nov 2007)
+# Elias Pipping <pipping@g.o> (2007-11-18)
 # feynmf fails to build documentation
 dev-tex/feynmf doc
 
-# Elias Pipping <pipping@g.o> (15 Nov 2007)
+# Elias Pipping <pipping@g.o> (2007-11-15)
 # pkg_postinst tries to create/delete a user, fails
 dev-libs/cyrus-sasl berkdb gdbm

diff --git a/profiles/features/prefix/rpath/use.mask b/profiles/features/prefix/rpath/use.mask
index bc446ee8012..0ad2254fd54 100644
--- a/profiles/features/prefix/rpath/use.mask
+++ b/profiles/features/prefix/rpath/use.mask
@@ -7,6 +7,6 @@
 # multilib is never going to work as expected in Prefix rpath
 multilib
 
-# Benda Xu <heroxbd@g.o> (26 Jun 2019)
+# Benda Xu <heroxbd@g.o> (2019-06-26)
 # Not supported
 eselect-ldso

diff --git a/profiles/features/prefix/standalone/kernel-2.6.16+/package.mask b/profiles/features/prefix/standalone/kernel-2.6.16+/package.mask
index eb862b370f5..3dd562a06e8 100644
--- a/profiles/features/prefix/standalone/kernel-2.6.16+/package.mask
+++ b/profiles/features/prefix/standalone/kernel-2.6.16+/package.mask
@@ -7,6 +7,6 @@
 # python-3.3 seems to be unconditionally using utimensat.
 >=dev-lang/python-3
 
-# Tupone Alfredo <tupone@g.o> (4 Nov 2018)
+# Tupone Alfredo <tupone@g.o> (2018-11-04)
 # require newer glibc
 dev-lang/gnat-gpl

diff --git a/profiles/features/prefix/standalone/kernel-2.6.16+/package.use.mask b/profiles/features/prefix/standalone/kernel-2.6.16+/package.use.mask
index 9ddfe805a61..b5f69351385 100644
--- a/profiles/features/prefix/standalone/kernel-2.6.16+/package.use.mask
+++ b/profiles/features/prefix/standalone/kernel-2.6.16+/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Benda Xu <heroxbd@g.o> (Feb 21, 2018)
+# Benda Xu <heroxbd@g.o> (2018-02-21)
 # We are on an old kernel that only glibc-2.19 is supported. That glibc does
 # not build with PIE enabled.  glibc-2.19 and linux-2.6.16 is end of life
 # anyway, so we don't care about security.

diff --git a/profiles/features/prefix/standalone/package.use.mask b/profiles/features/prefix/standalone/package.use.mask
index c48c34b15f2..9b7d7871511 100644
--- a/profiles/features/prefix/standalone/package.use.mask
+++ b/profiles/features/prefix/standalone/package.use.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2019 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Benda Xu <heroxbd@g.o> (Jan 26, 2019)
+# Benda Xu <heroxbd@g.o> (2019-01-26)
 # native-extensions requires >=linux=4.6 for __NR_copy_file_range
 sys-apps/portage native-extensions

diff --git a/profiles/features/selinux/package.mask b/profiles/features/selinux/package.mask
index fba312123e1..6d7e832d3cb 100644
--- a/profiles/features/selinux/package.mask
+++ b/profiles/features/selinux/package.mask
@@ -1,15 +1,15 @@
-# Matthew Thode <prometheanfire@g.o> (30 Jul 2018)
+# Matthew Thode <prometheanfire@g.o> (2018-07-30)
 # sys-apps/bolt links against systemd, which gentoo SELinux does not support
 sys-apps/bolt
 
-# Göktürk Yüksek <gokturk@g.o> (09 Nov 2016)
+# Göktürk Yüksek <gokturk@g.o> (2016-11-09)
 # On behalf of proxy-maint
 # Mask due to the package requiring systemd
 # and causing unresolvable dep issues
 # See: https://github.com/gentoo/gentoo/pull/2262
 www-misc/profile-sync-daemon
 
-# Jason Zaman <perfinion@g.o> (27 Jun 2015)
+# Jason Zaman <perfinion@g.o> (2015-06-27)
 # SystemD has no support in the SELinux policy at the moment.
 # Please see: https://wiki.gentoo.org/wiki/SELinux/FAQ#Can_I_use_SELinux_with_SystemD.3F
 app-admin/systemdgenie
@@ -46,7 +46,7 @@ sys-apps/systemd-readahead
 sys-process/systemd-cron
 sys-apps/dbus-broker
 
-# Gilles Dartiguelongue <eva@g.o> (24 May 2018)
+# Gilles Dartiguelongue <eva@g.o> (2018-05-24)
 # Packages use systemd unconditionally for now
 >=app-admin/abrt-2.10
 app-admin/gnome-abrt

diff --git a/profiles/features/selinux/package.use.force b/profiles/features/selinux/package.use.force
index 143f28ca89d..1d6fd2e6388 100644
--- a/profiles/features/selinux/package.use.force
+++ b/profiles/features/selinux/package.use.force
@@ -1,24 +1,24 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Sven Vermeulen <swift@g.o> (19 Apr 2013)
+# Sven Vermeulen <swift@g.o> (2013-04-19)
 # sys-apps/policycoreutils (semanage command) uses sepolgen, which requires libselinux with USE="python". 
 # sys-apps/policycoreutils also requires libsemanage with USE="python"
 sys-libs/libselinux python
 sys-libs/libsemanage python
 
-# Sven Vermeulen <swift@g.o> (21 May 2013)
+# Sven Vermeulen <swift@g.o> (2013-05-21)
 # sys-apps/policycoreutils has PYTHON_USE_WITH="xml" set, so we force it
 # here to allow stages to build with USE=xml on python
 dev-lang/python xml
 
-# Jason Zaman <perfinion@g.o> (03 Dec 2014)
+# Jason Zaman <perfinion@g.o> (2014-12-03)
 # sys-apps/busybox has IUSE="+static", so force static-libs on its deps
 # so stages can build with no interacton. Bug #527938
 sys-libs/libselinux static-libs
 dev-libs/libpcre static-libs
 
-# Jason Zaman <perfinion@g.o> (27 Jun 2015)
+# Jason Zaman <perfinion@g.o> (2015-06-27)
 # SystemD has no support in the SELinux policy at the moment.
 # Please see: https://wiki.gentoo.org/wiki/SELinux/FAQ#Can_I_use_SELinux_with_SystemD.3F
 gnome-base/gnome-settings-daemon openrc-force

diff --git a/profiles/features/selinux/package.use.mask b/profiles/features/selinux/package.use.mask
index cd2c2416091..4861b78c15c 100644
--- a/profiles/features/selinux/package.use.mask
+++ b/profiles/features/selinux/package.use.mask
@@ -1,11 +1,11 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Jeroen Roovers <jer@g.o> (23 Feb 2019)
+# Jeroen Roovers <jer@g.o> (2019-02-23)
 # sdjournal links against sys-apps/systemd's libraries
 net-analyzer/wireshark sdjournal
 
-# Brian Dolbec <dolsen@g.o> (17 Sep 2014)
+# Brian Dolbec <dolsen@g.o> (2014-09-17)
 # mask pypy for several utilities due to incompatibility with libselinux
 sys-apps/portage python_targets_pypy python_targets_pypy3
 app-portage/gentoolkit python_targets_pypy python_targets_pypy3
@@ -16,7 +16,7 @@ app-portage/flaggie python_targets_pypy python_targets_pypy3
 app-portage/gentoopm python_targets_pypy python_targets_pypy3
 app-portage/gpyutils python_targets_pypy python_targets_pypy3
 
-# Jason Zaman <perfinion@g.o> (27 Jun 2015)
+# Jason Zaman <perfinion@g.o> (2015-06-27)
 # SystemD has no support in the SELinux policy at the moment.
 # Please see: https://wiki.gentoo.org/wiki/SELinux/FAQ#Can_I_use_SELinux_with_SystemD.3F
 app-emulation/libvirt firewalld
@@ -32,6 +32,6 @@ x11-terms/gnome-terminal gnome-shell
 x11-themes/zukitwo gnome-shell
 net-wireless/bluez user-session
 
-# Alex Brandt <alunduil@g.o> (6 Sep 2015)
+# Alex Brandt <alunduil@g.o> (2015-09-06)
 # app-emulation/rkt[rkt_stage1_src] requires systemd which isn't available with selinux.
 app-emulation/rkt rkt_stage1_src

diff --git a/profiles/features/uclibc/package.use b/profiles/features/uclibc/package.use
index 53754c2c64e..a0b9b939147 100644
--- a/profiles/features/uclibc/package.use
+++ b/profiles/features/uclibc/package.use
@@ -1,11 +1,11 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# 17 Aug 2014; Anthony G. Basile <blueness@g.o>
+# Anthony G. Basile <blueness@g.o> (2014-08-17)
 # Avoid pulling in glib
 dev-util/pkgconfig internal-glib
 
-# Anthony G. Basile <blueness@g.o> (14 Jul 2018)
+# Anthony G. Basile <blueness@g.o> (2018-07-14)
 # We need this to break a circular dependency with
 # 'sys-libs/libcap pam' in stage3 catalyst builds
 sys-libs/pam -filecaps

diff --git a/profiles/features/uclibc/package.use.mask b/profiles/features/uclibc/package.use.mask
index 1de6dcc2f22..eb7b5dc0216 100644
--- a/profiles/features/uclibc/package.use.mask
+++ b/profiles/features/uclibc/package.use.mask
@@ -5,17 +5,17 @@
 # sanitize is broken on at least all hardened uclibc
 sys-devel/gcc sanitize
 
-# Michał Górny <mgorny@g.o> (12 Jan 2018)
+# Michał Górny <mgorny@g.o> (2018-01-12)
 # Those require USE=java that is masked in this profile.
 app-emulation/virtualbox vboxwebsrv
 app-office/libreoffice libreoffice_extensions_wiki-publisher
 
-# Thomas Deutschmann <whissi@g.o> (21 Jan 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-01-21)
 # Mask due Gnome3 not going to be stabilized on this arch
 # due to uclibc
 dev-util/geany-plugins gtkspell
 
-# Joshua Kinard <kumba@g.o> (18 Jan 2016)
+# Joshua Kinard <kumba@g.o> (2016-01-18)
 # Fails linking to gettext/libintl for symbol 'libintl_gettext'.
 # Is fixable by using 'append-ldflags' from flag-o-matic to force
 # -lintl, but that's a QA violation.  Real solution is to use

diff --git a/profiles/features/uclibc/use.mask b/profiles/features/uclibc/use.mask
index 540851c0f4f..dcee6a32b66 100644
--- a/profiles/features/uclibc/use.mask
+++ b/profiles/features/uclibc/use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2018 Gentoo Foundation.
 # Distributed under the terms of the GNU General Public License v2
 
-# Thomas Deutschmann <whissi@g.o> (28 Jan 2017)
+# Thomas Deutschmann <whissi@g.o> (2017-01-28)
 # No JAVA in uclibc
 java
 

diff --git a/profiles/hardened/linux/musl/package.use.mask b/profiles/hardened/linux/musl/package.use.mask
index fe62de6696a..ce38400b406 100644
--- a/profiles/hardened/linux/musl/package.use.mask
+++ b/profiles/hardened/linux/musl/package.use.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2015 Gentoo Foundation.
 # Distributed under the terms of the GNU General Public License v2
 
-# Matthias Maier <tamiko@××××××.org> (11 May 2017)
+# Matthias Maier <tamiko@××××××.org> (2017-05-11)
 # masked in base, unmask for hardened/musl/
 sys-devel/gcc -pie

diff --git a/profiles/hardened/linux/uclibc/package.use.mask b/profiles/hardened/linux/uclibc/package.use.mask
index d1925ca7ab7..7525128ecb9 100644
--- a/profiles/hardened/linux/uclibc/package.use.mask
+++ b/profiles/hardened/linux/uclibc/package.use.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 Gentoo Foundation.
 # Distributed under the terms of the GNU General Public License v2
 
-# Anthony G. Basile <blueness@g.o> (12 Dec 2017)
+# Anthony G. Basile <blueness@g.o> (2017-12-12)
 # masked in base, unmask for hardened/uclibc
 sys-devel/gcc -pie

diff --git a/profiles/prefix/aix/package.mask b/profiles/prefix/aix/package.mask
index fc5cca32737..60c217c107d 100644
--- a/profiles/prefix/aix/package.mask
+++ b/profiles/prefix/aix/package.mask
@@ -1,10 +1,10 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (03 Mar 2017)
+# Michael Haubenwallner <haubi@g.o> (2017-03-03)
 # Breaks (openssh, ...) because of PR target/65058
 >=sys-devel/gcc-4.8.5
 
-# Fabian Groffen <grobian@g.o> (04 Apr 2007)
+# Fabian Groffen <grobian@g.o> (2007-04-04)
 # This is the only linker for AIX
 -sys-devel/native-cctools

diff --git a/profiles/prefix/aix/package.unmask b/profiles/prefix/aix/package.unmask
index 7dbad76ea3e..7a6601cedf9 100644
--- a/profiles/prefix/aix/package.unmask
+++ b/profiles/prefix/aix/package.unmask
@@ -1,12 +1,12 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (03 Mar 2017)
+# Michael Haubenwallner <haubi@g.o> (2017-03-03)
 # Only these versions have the patches for proper AIX support.
 # note: these ebuilds come from repo/proj/prefix.git
 ~sys-devel/gcc-4.2.4
 ~sys-devel/gcc-4.8.4
 
-# Michael Haubenwallner <haubi@g.o> (14 Apr 2014)
+# Michael Haubenwallner <haubi@g.o> (2014-04-14)
 # Endless loop while compiling gcc-4.2.4 for yet unknown reason.
 ~sys-devel/make-4.0

diff --git a/profiles/prefix/aix/package.use.mask b/profiles/prefix/aix/package.use.mask
index 21d4342daa5..f7b06caec55 100644
--- a/profiles/prefix/aix/package.use.mask
+++ b/profiles/prefix/aix/package.use.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (16 Feb 2012)
+# Michael Haubenwallner <haubi@g.o> (2012-02-16)
 # JIT implementation in pcre does not know about AIX.
 dev-libs/libpcre jit

diff --git a/profiles/prefix/darwin/macos/10.10/package.mask b/profiles/prefix/darwin/macos/10.10/package.mask
index c8a0f51c121..0fe00cbb054 100644
--- a/profiles/prefix/darwin/macos/10.10/package.mask
+++ b/profiles/prefix/darwin/macos/10.10/package.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (30 Sep 2012)
+# Fabian Groffen <grobian@g.o> (2012-09-30)
 # Requires XQuartz, since Apple dropped much of X-support in 10.8
 # (a.k.a. Mountain Lion), bug #431182
 media-libs/opengl-apple

diff --git a/profiles/prefix/darwin/macos/10.10/package.unmask b/profiles/prefix/darwin/macos/10.10/package.unmask
index f72a8fab624..95faafa5dd8 100644
--- a/profiles/prefix/darwin/macos/10.10/package.unmask
+++ b/profiles/prefix/darwin/macos/10.10/package.unmask
@@ -1,7 +1,7 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (29 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-29)
 # Recent releases are supported in 10.10.
 dev-java/oracle-jdk-bin
 dev-java/oracle-jre-bin

diff --git a/profiles/prefix/darwin/macos/10.10/package.use.mask b/profiles/prefix/darwin/macos/10.10/package.use.mask
index 0e3b22de53b..a07d2bdd539 100644
--- a/profiles/prefix/darwin/macos/10.10/package.use.mask
+++ b/profiles/prefix/darwin/macos/10.10/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (10 Apr 2011)
+# Fabian Groffen <grobian@g.o> (2011-04-10)
 # as long as util-linux installs uuid.h which breaks the system headers
 # (hence we don't) we can't do uuid support here
 x11-libs/libSM -uuid

diff --git a/profiles/prefix/darwin/macos/10.10/x64/package.use.force b/profiles/prefix/darwin/macos/10.10/x64/package.use.force
index 37fe719d893..f2a46aa1b2a 100644
--- a/profiles/prefix/darwin/macos/10.10/x64/package.use.force
+++ b/profiles/prefix/darwin/macos/10.10/x64/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.10/x86/package.use.force b/profiles/prefix/darwin/macos/10.10/x86/package.use.force
index 37fe719d893..f2a46aa1b2a 100644
--- a/profiles/prefix/darwin/macos/10.10/x86/package.use.force
+++ b/profiles/prefix/darwin/macos/10.10/x86/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.11/package.mask b/profiles/prefix/darwin/macos/10.11/package.mask
index 25d98fcad18..f1eab2bde7e 100644
--- a/profiles/prefix/darwin/macos/10.11/package.mask
+++ b/profiles/prefix/darwin/macos/10.11/package.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (30 Sep 2012)
+# Fabian Groffen <grobian@g.o> (2012-09-30)
 # Requires XQuartz, since Apple dropped much of X-support in 10.8
 # (a.k.a. Mountain Lion), bug #431182
 media-libs/opengl-apple

diff --git a/profiles/prefix/darwin/macos/10.11/package.unmask b/profiles/prefix/darwin/macos/10.11/package.unmask
index ffa904e1603..003ec524a20 100644
--- a/profiles/prefix/darwin/macos/10.11/package.unmask
+++ b/profiles/prefix/darwin/macos/10.11/package.unmask
@@ -1,7 +1,7 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (29 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-29)
 # Recent releases are supported in >10.10.
 dev-java/oracle-jdk-bin
 dev-java/oracle-jre-bin

diff --git a/profiles/prefix/darwin/macos/10.11/package.use.mask b/profiles/prefix/darwin/macos/10.11/package.use.mask
index a2e4210b6c4..2dbb0617093 100644
--- a/profiles/prefix/darwin/macos/10.11/package.use.mask
+++ b/profiles/prefix/darwin/macos/10.11/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (10 Apr 2011)
+# Fabian Groffen <grobian@g.o> (2011-04-10)
 # as long as util-linux installs uuid.h which breaks the system headers
 # (hence we don't) we can't do uuid support here
 x11-libs/libSM -uuid

diff --git a/profiles/prefix/darwin/macos/10.11/x64/package.use.force b/profiles/prefix/darwin/macos/10.11/x64/package.use.force
index 3890d871352..92945515d46 100644
--- a/profiles/prefix/darwin/macos/10.11/x64/package.use.force
+++ b/profiles/prefix/darwin/macos/10.11/x64/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.11/x86/package.use.force b/profiles/prefix/darwin/macos/10.11/x86/package.use.force
index 3890d871352..92945515d46 100644
--- a/profiles/prefix/darwin/macos/10.11/x86/package.use.force
+++ b/profiles/prefix/darwin/macos/10.11/x86/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.12/package.mask b/profiles/prefix/darwin/macos/10.12/package.mask
index 3a93b13de32..ec06be2487a 100644
--- a/profiles/prefix/darwin/macos/10.12/package.mask
+++ b/profiles/prefix/darwin/macos/10.12/package.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (30 Sep 2012)
+# Fabian Groffen <grobian@g.o> (2012-09-30)
 # Requires XQuartz, since Apple dropped much of X-support in 10.8
 # (a.k.a. Mountain Lion), bug #431182
 media-libs/opengl-apple

diff --git a/profiles/prefix/darwin/macos/10.12/package.unmask b/profiles/prefix/darwin/macos/10.12/package.unmask
index 9b6d7fac054..92c8b2b4bee 100644
--- a/profiles/prefix/darwin/macos/10.12/package.unmask
+++ b/profiles/prefix/darwin/macos/10.12/package.unmask
@@ -1,7 +1,7 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (29 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-29)
 # Recent releases are supported in >10.10.
 dev-java/oracle-jdk-bin
 dev-java/oracle-jre-bin

diff --git a/profiles/prefix/darwin/macos/10.12/package.use.mask b/profiles/prefix/darwin/macos/10.12/package.use.mask
index 45a85366bdb..72da283f75b 100644
--- a/profiles/prefix/darwin/macos/10.12/package.use.mask
+++ b/profiles/prefix/darwin/macos/10.12/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (10 Apr 2011)
+# Fabian Groffen <grobian@g.o> (2011-04-10)
 # as long as util-linux installs uuid.h which breaks the system headers
 # (hence we don't) we can't do uuid support here
 x11-libs/libSM -uuid

diff --git a/profiles/prefix/darwin/macos/10.12/x64/package.use.force b/profiles/prefix/darwin/macos/10.12/x64/package.use.force
index bbe3384ec5b..e78eaa0d3e0 100644
--- a/profiles/prefix/darwin/macos/10.12/x64/package.use.force
+++ b/profiles/prefix/darwin/macos/10.12/x64/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.12/x86/package.use.force b/profiles/prefix/darwin/macos/10.12/x86/package.use.force
index bbe3384ec5b..e78eaa0d3e0 100644
--- a/profiles/prefix/darwin/macos/10.12/x86/package.use.force
+++ b/profiles/prefix/darwin/macos/10.12/x86/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.13/package.mask b/profiles/prefix/darwin/macos/10.13/package.mask
index 41658a130ed..ea39de0ebbf 100644
--- a/profiles/prefix/darwin/macos/10.13/package.mask
+++ b/profiles/prefix/darwin/macos/10.13/package.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (30 Sep 2012)
+# Fabian Groffen <grobian@g.o> (2012-09-30)
 # Requires XQuartz, since Apple dropped much of X-support in 10.8
 # (a.k.a. Mountain Lion), bug #431182
 media-libs/opengl-apple

diff --git a/profiles/prefix/darwin/macos/10.13/package.unmask b/profiles/prefix/darwin/macos/10.13/package.unmask
index 40d7b786343..998ec0bd8b9 100644
--- a/profiles/prefix/darwin/macos/10.13/package.unmask
+++ b/profiles/prefix/darwin/macos/10.13/package.unmask
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (29 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-29)
 # Recent releases are supported in >10.10.
 dev-java/oracle-jdk-bin
 dev-java/oracle-jre-bin

diff --git a/profiles/prefix/darwin/macos/10.13/package.use.mask b/profiles/prefix/darwin/macos/10.13/package.use.mask
index 16ddb12d86d..8d3a1c67642 100644
--- a/profiles/prefix/darwin/macos/10.13/package.use.mask
+++ b/profiles/prefix/darwin/macos/10.13/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (10 Apr 2011)
+# Fabian Groffen <grobian@g.o> (2011-04-10)
 # as long as util-linux installs uuid.h which breaks the system headers
 # (hence we don't) we can't do uuid support here
 x11-libs/libSM -uuid

diff --git a/profiles/prefix/darwin/macos/10.13/x64/package.use.force b/profiles/prefix/darwin/macos/10.13/x64/package.use.force
index 4cd81fcc677..2424c49290d 100644
--- a/profiles/prefix/darwin/macos/10.13/x64/package.use.force
+++ b/profiles/prefix/darwin/macos/10.13/x64/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.13/x86/package.use.force b/profiles/prefix/darwin/macos/10.13/x86/package.use.force
index 4cd81fcc677..2424c49290d 100644
--- a/profiles/prefix/darwin/macos/10.13/x86/package.use.force
+++ b/profiles/prefix/darwin/macos/10.13/x86/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.14/package.mask b/profiles/prefix/darwin/macos/10.14/package.mask
index 2cf5fcb331d..6a61d9527e8 100644
--- a/profiles/prefix/darwin/macos/10.14/package.mask
+++ b/profiles/prefix/darwin/macos/10.14/package.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (30 Sep 2012)
+# Fabian Groffen <grobian@g.o> (2012-09-30)
 # Requires XQuartz, since Apple dropped much of X-support in 10.8
 # (a.k.a. Mountain Lion), bug #431182
 media-libs/opengl-apple

diff --git a/profiles/prefix/darwin/macos/10.14/package.unmask b/profiles/prefix/darwin/macos/10.14/package.unmask
index 727c96477d3..63a107ba904 100644
--- a/profiles/prefix/darwin/macos/10.14/package.unmask
+++ b/profiles/prefix/darwin/macos/10.14/package.unmask
@@ -1,7 +1,7 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (29 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-29)
 # Recent releases are supported in >10.10.
 dev-java/oracle-jdk-bin
 dev-java/oracle-jre-bin

diff --git a/profiles/prefix/darwin/macos/10.14/package.use.mask b/profiles/prefix/darwin/macos/10.14/package.use.mask
index b3a7b21107e..7fea5d6e40b 100644
--- a/profiles/prefix/darwin/macos/10.14/package.use.mask
+++ b/profiles/prefix/darwin/macos/10.14/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (10 Apr 2011)
+# Fabian Groffen <grobian@g.o> (2011-04-10)
 # as long as util-linux installs uuid.h which breaks the system headers
 # (hence we don't) we can't do uuid support here
 x11-libs/libSM -uuid

diff --git a/profiles/prefix/darwin/macos/10.14/x64/package.use.force b/profiles/prefix/darwin/macos/10.14/x64/package.use.force
index b5750519297..c281ff7b3fe 100644
--- a/profiles/prefix/darwin/macos/10.14/x64/package.use.force
+++ b/profiles/prefix/darwin/macos/10.14/x64/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.14/x86/package.use.force b/profiles/prefix/darwin/macos/10.14/x86/package.use.force
index b5750519297..c281ff7b3fe 100644
--- a/profiles/prefix/darwin/macos/10.14/x86/package.use.force
+++ b/profiles/prefix/darwin/macos/10.14/x86/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.4/package.mask b/profiles/prefix/darwin/macos/10.4/package.mask
index 92066a99567..5c1f976ce0b 100644
--- a/profiles/prefix/darwin/macos/10.4/package.mask
+++ b/profiles/prefix/darwin/macos/10.4/package.mask
@@ -1,15 +1,15 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (03 May 2012)
+# Fabian Groffen <grobian@g.o> (2012-05-03)
 # Needs 10.6 or up
 >=dev-lang/ghc-7
 
-# Fabian Groffen <grobian@g.o> (11 Jul 2011)
+# Fabian Groffen <grobian@g.o> (2011-07-11)
 # Needs headers only available starting from 10.5 (Leopard)
 sys-process/lsof
 
-# Fabian Groffen <grobian@g.o> (30 Apr 2011)
+# Fabian Groffen <grobian@g.o> (2011-04-30)
 # These releases got a rewrite that is no longer compatible with
 # CoreAudio as available on Tiger and Leopard
 >=media-libs/mediastreamer-2.7.3

diff --git a/profiles/prefix/darwin/macos/10.4/package.use.mask b/profiles/prefix/darwin/macos/10.4/package.use.mask
index 6559a807eaf..52409fbb3dd 100644
--- a/profiles/prefix/darwin/macos/10.4/package.use.mask
+++ b/profiles/prefix/darwin/macos/10.4/package.use.mask
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 
-# Fabian Groffen <grobian@g.o> (28 Apr 2008)
+# Fabian Groffen <grobian@g.o> (2008-04-28)
 # mach_override.h missing
 # http://www.erlang.org/pipermail/erlang-questions/2007-July/027870.html
 dev-lang/erlang hipe

diff --git a/profiles/prefix/darwin/macos/10.4/x86/package.use.force b/profiles/prefix/darwin/macos/10.4/x86/package.use.force
index eb7f4d25673..28967018e68 100644
--- a/profiles/prefix/darwin/macos/10.4/x86/package.use.force
+++ b/profiles/prefix/darwin/macos/10.4/x86/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2009 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.5/package.mask b/profiles/prefix/darwin/macos/10.5/package.mask
index daf51e691eb..0f034a88475 100644
--- a/profiles/prefix/darwin/macos/10.5/package.mask
+++ b/profiles/prefix/darwin/macos/10.5/package.mask
@@ -1,11 +1,11 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (03 May 2012)
+# Fabian Groffen <grobian@g.o> (2012-05-03)
 # Needs 10.6 or up
 >=dev-lang/ghc-7
 
-# Fabian Groffen <grobian@g.o> (06 Nov 2011)
+# Fabian Groffen <grobian@g.o> (2011-11-06)
 # These releases got a rewrite that is no longer compatible with
 # CoreAudio as available on Tiger and Leopard
 >=media-libs/mediastreamer-2.7.3

diff --git a/profiles/prefix/darwin/macos/10.5/package.use.mask b/profiles/prefix/darwin/macos/10.5/package.use.mask
index 6559a807eaf..52409fbb3dd 100644
--- a/profiles/prefix/darwin/macos/10.5/package.use.mask
+++ b/profiles/prefix/darwin/macos/10.5/package.use.mask
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 
-# Fabian Groffen <grobian@g.o> (28 Apr 2008)
+# Fabian Groffen <grobian@g.o> (2008-04-28)
 # mach_override.h missing
 # http://www.erlang.org/pipermail/erlang-questions/2007-July/027870.html
 dev-lang/erlang hipe

diff --git a/profiles/prefix/darwin/macos/10.5/ppc/package.mask b/profiles/prefix/darwin/macos/10.5/ppc/package.mask
index 9e50ba7ffb7..ba9daf5618b 100644
--- a/profiles/prefix/darwin/macos/10.5/ppc/package.mask
+++ b/profiles/prefix/darwin/macos/10.5/ppc/package.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (18 Jun 2018)
+# Fabian Groffen <grobian@g.o> (2018-06-18)
 # FSF GCC is our system compiler here
 -sys-devel/gcc

diff --git a/profiles/prefix/darwin/macos/10.5/ppc/package.use.force b/profiles/prefix/darwin/macos/10.5/ppc/package.use.force
index eb7f4d25673..28967018e68 100644
--- a/profiles/prefix/darwin/macos/10.5/ppc/package.use.force
+++ b/profiles/prefix/darwin/macos/10.5/ppc/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2009 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.5/x64/package.use.force b/profiles/prefix/darwin/macos/10.5/x64/package.use.force
index eb7f4d25673..28967018e68 100644
--- a/profiles/prefix/darwin/macos/10.5/x64/package.use.force
+++ b/profiles/prefix/darwin/macos/10.5/x64/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2009 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.5/x86/package.use.force b/profiles/prefix/darwin/macos/10.5/x86/package.use.force
index eb7f4d25673..28967018e68 100644
--- a/profiles/prefix/darwin/macos/10.5/x86/package.use.force
+++ b/profiles/prefix/darwin/macos/10.5/x86/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2009 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.6/x64/package.use.force b/profiles/prefix/darwin/macos/10.6/x64/package.use.force
index eb7f4d25673..28967018e68 100644
--- a/profiles/prefix/darwin/macos/10.6/x64/package.use.force
+++ b/profiles/prefix/darwin/macos/10.6/x64/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2009 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.6/x86/package.use.force b/profiles/prefix/darwin/macos/10.6/x86/package.use.force
index eb7f4d25673..28967018e68 100644
--- a/profiles/prefix/darwin/macos/10.6/x86/package.use.force
+++ b/profiles/prefix/darwin/macos/10.6/x86/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2009 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.7/package.use.mask b/profiles/prefix/darwin/macos/10.7/package.use.mask
index 61d76c7770f..586249a6b30 100644
--- a/profiles/prefix/darwin/macos/10.7/package.use.mask
+++ b/profiles/prefix/darwin/macos/10.7/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2011 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (10 Apr 2011)
+# Fabian Groffen <grobian@g.o> (2011-04-10)
 # as long as util-linux installs uuid.h which breaks the system headers
 # (hence we don't) we can't do uuid support here
 x11-libs/libSM -uuid

diff --git a/profiles/prefix/darwin/macos/10.7/x64/package.use.force b/profiles/prefix/darwin/macos/10.7/x64/package.use.force
index 3024cdfd84c..6b1c73971cd 100644
--- a/profiles/prefix/darwin/macos/10.7/x64/package.use.force
+++ b/profiles/prefix/darwin/macos/10.7/x64/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2011 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.7/x86/package.use.force b/profiles/prefix/darwin/macos/10.7/x86/package.use.force
index 3024cdfd84c..6b1c73971cd 100644
--- a/profiles/prefix/darwin/macos/10.7/x86/package.use.force
+++ b/profiles/prefix/darwin/macos/10.7/x86/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2011 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.8/package.mask b/profiles/prefix/darwin/macos/10.8/package.mask
index 0d1a44f9d1f..5b83590aa95 100644
--- a/profiles/prefix/darwin/macos/10.8/package.mask
+++ b/profiles/prefix/darwin/macos/10.8/package.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (30 Sep 2012)
+# Fabian Groffen <grobian@g.o> (2012-09-30)
 # Requires XQuartz, since Apple dropped much of X-support in 10.8
 # (a.k.a. Mountain Lion), bug #431182
 media-libs/opengl-apple

diff --git a/profiles/prefix/darwin/macos/10.8/package.unmask b/profiles/prefix/darwin/macos/10.8/package.unmask
index 522ceb60c05..eb289573a05 100644
--- a/profiles/prefix/darwin/macos/10.8/package.unmask
+++ b/profiles/prefix/darwin/macos/10.8/package.unmask
@@ -1,7 +1,7 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (29 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-29)
 # Recent releases are supported in 10.8.
 dev-java/oracle-jdk-bin
 dev-java/oracle-jre-bin

diff --git a/profiles/prefix/darwin/macos/10.8/package.use.mask b/profiles/prefix/darwin/macos/10.8/package.use.mask
index 5d32c2572ec..1da406599d5 100644
--- a/profiles/prefix/darwin/macos/10.8/package.use.mask
+++ b/profiles/prefix/darwin/macos/10.8/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (10 Apr 2011)
+# Fabian Groffen <grobian@g.o> (2011-04-10)
 # as long as util-linux installs uuid.h which breaks the system headers
 # (hence we don't) we can't do uuid support here
 x11-libs/libSM -uuid

diff --git a/profiles/prefix/darwin/macos/10.8/x64/package.use.force b/profiles/prefix/darwin/macos/10.8/x64/package.use.force
index 8e66f5a37cc..3dfdb734725 100644
--- a/profiles/prefix/darwin/macos/10.8/x64/package.use.force
+++ b/profiles/prefix/darwin/macos/10.8/x64/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.8/x86/package.use.force b/profiles/prefix/darwin/macos/10.8/x86/package.use.force
index 8e66f5a37cc..3dfdb734725 100644
--- a/profiles/prefix/darwin/macos/10.8/x86/package.use.force
+++ b/profiles/prefix/darwin/macos/10.8/x86/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.9/package.mask b/profiles/prefix/darwin/macos/10.9/package.mask
index 8669e34bc83..f7972754d55 100644
--- a/profiles/prefix/darwin/macos/10.9/package.mask
+++ b/profiles/prefix/darwin/macos/10.9/package.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2013 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (30 Sep 2012)
+# Fabian Groffen <grobian@g.o> (2012-09-30)
 # Requires XQuartz, since Apple dropped much of X-support in 10.8
 # (a.k.a. Mountain Lion), bug #431182
 media-libs/opengl-apple

diff --git a/profiles/prefix/darwin/macos/10.9/package.unmask b/profiles/prefix/darwin/macos/10.9/package.unmask
index 728cd4f5190..d6315beb6e8 100644
--- a/profiles/prefix/darwin/macos/10.9/package.unmask
+++ b/profiles/prefix/darwin/macos/10.9/package.unmask
@@ -1,7 +1,7 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# James Le Cuirot <chewi@g.o> (29 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-29)
 # Recent releases are supported in 10.9.
 dev-java/oracle-jdk-bin
 dev-java/oracle-jre-bin

diff --git a/profiles/prefix/darwin/macos/10.9/package.use.mask b/profiles/prefix/darwin/macos/10.9/package.use.mask
index fc77c22b7f2..6956bd2b20c 100644
--- a/profiles/prefix/darwin/macos/10.9/package.use.mask
+++ b/profiles/prefix/darwin/macos/10.9/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2013 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (10 Apr 2011)
+# Fabian Groffen <grobian@g.o> (2011-04-10)
 # as long as util-linux installs uuid.h which breaks the system headers
 # (hence we don't) we can't do uuid support here
 x11-libs/libSM -uuid

diff --git a/profiles/prefix/darwin/macos/10.9/x64/package.use.force b/profiles/prefix/darwin/macos/10.9/x64/package.use.force
index 7d3ab2bb852..cb61c0eae32 100644
--- a/profiles/prefix/darwin/macos/10.9/x64/package.use.force
+++ b/profiles/prefix/darwin/macos/10.9/x64/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2013 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/10.9/x86/package.use.force b/profiles/prefix/darwin/macos/10.9/x86/package.use.force
index 7d3ab2bb852..cb61c0eae32 100644
--- a/profiles/prefix/darwin/macos/10.9/x86/package.use.force
+++ b/profiles/prefix/darwin/macos/10.9/x86/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2013 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Elias Pipping <pipping@g.o> (30 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-30)
 # compiles with -aqua, doesn't work, though
 media-video/mplayer aqua

diff --git a/profiles/prefix/darwin/macos/arch/ppc/package.mask b/profiles/prefix/darwin/macos/arch/ppc/package.mask
index 0214b3b9b33..465640b2505 100644
--- a/profiles/prefix/darwin/macos/arch/ppc/package.mask
+++ b/profiles/prefix/darwin/macos/arch/ppc/package.mask
@@ -5,11 +5,11 @@
 # All the Mac OS X profiles inherit from their matching arch profile here.
 
 
-# Fabian Groffen <grobian@g.o> (22 Dec 2018)
+# Fabian Groffen <grobian@g.o> (2018-12-22)
 # this version of libffi causes gcc to buserror
 =dev-libs/libffi-3.3_rc0
 
-# Fabian Groffen <grobian@g.o> (5 Mar 2012)
+# Fabian Groffen <grobian@g.o> (2012-03-05)
 # Apple removed entire PowerPC support from ld in ld64-128.2 (4.3)
 # a backport of PPC support was kept until compilation with gcc-apple
 # was no longer possible since 7.0.

diff --git a/profiles/prefix/darwin/macos/arch/ppc/package.use.force b/profiles/prefix/darwin/macos/arch/ppc/package.use.force
index d0be324c4b1..6a8082838a0 100644
--- a/profiles/prefix/darwin/macos/arch/ppc/package.use.force
+++ b/profiles/prefix/darwin/macos/arch/ppc/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (20 Dec 2016)
+# Fabian Groffen <grobian@g.o> (2016-12-20)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_PowerPC
 sys-devel/clang llvm_targets_PowerPC

diff --git a/profiles/prefix/darwin/macos/arch/ppc/package.use.mask b/profiles/prefix/darwin/macos/arch/ppc/package.use.mask
index 8f009750a2c..05af1b36b5b 100644
--- a/profiles/prefix/darwin/macos/arch/ppc/package.use.mask
+++ b/profiles/prefix/darwin/macos/arch/ppc/package.use.mask
@@ -5,10 +5,10 @@
 # All the Mac OS X profiles inherit from their matching arch profile here.
 
 
-# Elias Pipping <pipping@g.o> (01 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-01)
 # imlib2 does not compile with USE=mmx
 media-libs/imlib2 cpu_flags_x86_mmx
 
-# Elias Pipping <pipping@g.o> (01 Sep 2007)
+# Elias Pipping <pipping@g.o> (2007-09-01)
 # mpg123 does not compile with USE=mmx
 media-sound/mpg123 cpu_flags_x86_mmx

diff --git a/profiles/prefix/darwin/macos/arch/x64/package.use.force b/profiles/prefix/darwin/macos/arch/x64/package.use.force
index 44d3760857a..e59fb1aa91b 100644
--- a/profiles/prefix/darwin/macos/arch/x64/package.use.force
+++ b/profiles/prefix/darwin/macos/arch/x64/package.use.force
@@ -1,11 +1,11 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (29 Nov 2018)
+# Fabian Groffen <grobian@g.o> (2018-11-29)
 # libgcrypt relies on GCC pragma to disable optimisation, but we use Clang
 dev-libs/libgcrypt o-flag-munging
 
-# Fabian Groffen <grobian@g.o> (20 Dec 2016)
+# Fabian Groffen <grobian@g.o> (2016-12-20)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_X86
 sys-devel/clang llvm_targets_X86

diff --git a/profiles/prefix/darwin/macos/arch/x64/package.use.mask b/profiles/prefix/darwin/macos/arch/x64/package.use.mask
index 42c047050b5..a974e63659b 100644
--- a/profiles/prefix/darwin/macos/arch/x64/package.use.mask
+++ b/profiles/prefix/darwin/macos/arch/x64/package.use.mask
@@ -5,14 +5,14 @@
 # All the Mac OS X profiles inherit from their matching arch profile here.
 
 
-# Christoph Junghans <ottoxr@g.o> (29 Dec 2014)
+# Christoph Junghans <ottoxr@g.o> (2014-12-29)
 # disable optimized assembly code, bug #529584
 media-libs/xvid -pic
 
-# Jeremy Olexa <darkside@g.o> (29 Jul 2010)
+# Jeremy Olexa <darkside@g.o> (2010-07-29)
 # Relocation issues on 32-bit OSX only, bug #329859
 media-sound/mpg123 -cpu_flags_x86_mmx -cpu_flags_x86_sse
 
-# Fabian Groffen <grobian@g.o> (01 Feb 2009)
+# Fabian Groffen <grobian@g.o> (2009-02-01)
 # Doesn't compile on 32-bits OSX only, bug #257225
 media-video/ffmpeg -cpu_flags_x86_mmx

diff --git a/profiles/prefix/darwin/macos/arch/x86/package.use.force b/profiles/prefix/darwin/macos/arch/x86/package.use.force
index 44d3760857a..e59fb1aa91b 100644
--- a/profiles/prefix/darwin/macos/arch/x86/package.use.force
+++ b/profiles/prefix/darwin/macos/arch/x86/package.use.force
@@ -1,11 +1,11 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (29 Nov 2018)
+# Fabian Groffen <grobian@g.o> (2018-11-29)
 # libgcrypt relies on GCC pragma to disable optimisation, but we use Clang
 dev-libs/libgcrypt o-flag-munging
 
-# Fabian Groffen <grobian@g.o> (20 Dec 2016)
+# Fabian Groffen <grobian@g.o> (2016-12-20)
 # Force the host target to avoid dependency hell
 dev-ml/llvm-ocaml llvm_targets_X86
 sys-devel/clang llvm_targets_X86

diff --git a/profiles/prefix/darwin/macos/arch/x86/package.use.mask b/profiles/prefix/darwin/macos/arch/x86/package.use.mask
index 7068035a971..59fd56b1603 100644
--- a/profiles/prefix/darwin/macos/arch/x86/package.use.mask
+++ b/profiles/prefix/darwin/macos/arch/x86/package.use.mask
@@ -4,10 +4,10 @@
 # All the Mac OS X profiles inherit from their matching arch profile here.
 
 
-# Jeremy Olexa <darkside@g.o> (29 Jul 2010)
+# Jeremy Olexa <darkside@g.o> (2010-07-29)
 # Relocation issues on 32-bit OSX, bug #329859
 media-sound/mpg123 cpu_flags_x86_mmx cpu_flags_x86_sse
 
-# Fabian Groffen <grobian@g.o> (01 Feb 2009)
+# Fabian Groffen <grobian@g.o> (2009-02-01)
 # Doesn't compile, bug #257225
 media-video/ffmpeg cpu_flags_x86_mmx

diff --git a/profiles/prefix/darwin/macos/package.mask b/profiles/prefix/darwin/macos/package.mask
index 180e0ef71a4..09d72567e2d 100644
--- a/profiles/prefix/darwin/macos/package.mask
+++ b/profiles/prefix/darwin/macos/package.mask
@@ -1,29 +1,29 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (30 Apr 2019)
+# Fabian Groffen <grobian@g.o> (2019-04-30)
 # Fails to install, bug #684030
 =dev-lang/perl-5.28.2*
 
-# Fabian Groffen <grobian@g.o> (26 Apr 2019)
+# Fabian Groffen <grobian@g.o> (2019-04-26)
 # LLVM/clang 7.1 crashes at runtime
 # llvm::optional_detail::OptionalStorage<llvm::ArrayRef<llvm::StringRef>,
 =sys-devel/clang-7.1.0*
 =sys-devel/llvm-7.1.0*
 
-# Fabian Groffen <grobian@g.o> (26 Mar 2019)
+# Fabian Groffen <grobian@g.o> (2019-03-26)
 # LLVM/clang 8 cannot compile itself, fails with the linker complaining
 # about a missing symbol (clang::clangd::detail::log(..,..))
 =sys-devel/clang-8.0.0*
 =sys-devel/llvm-8.0.0*
 
-# Fabian Groffen <grobian@g.o> (22 Mar 2019)
+# Fabian Groffen <grobian@g.o> (2019-03-22)
 # Newer versions break because they insist on sysroot usage lacking
 # -lSystem as looked for by clang/llvm.  If your system got this
 # package, you have to emerge -C cmake and re-emerge it.
 >dev-util/cmake-3.13.4
 
-# James Le Cuirot <chewi@g.o> (29 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-29)
 # Recent Oracle releases only support recent Mac OS releases. We can't
 # keep old versions due to vulnerabilities.
 dev-java/oracle-jdk-bin

diff --git a/profiles/prefix/darwin/macos/package.use.force b/profiles/prefix/darwin/macos/package.use.force
index e90c190aa15..93ffdde1c0f 100644
--- a/profiles/prefix/darwin/macos/package.use.force
+++ b/profiles/prefix/darwin/macos/package.use.force
@@ -1,10 +1,10 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (24 Mar 2012)
+# Fabian Groffen <grobian@g.o> (2012-03-24)
 # Non-threaded target doesn't exist for Mac OS X Intel
 media-gfx/tachyon threads opengl
 
-# Elias Pipping <pipping@g.o> (29 Nov 2007)
+# Elias Pipping <pipping@g.o> (2007-11-29)
 # won't compile without
 media-libs/libsdl opengl

diff --git a/profiles/prefix/darwin/macos/package.use.mask b/profiles/prefix/darwin/macos/package.use.mask
index ec7f0a220e5..fb0d24c5455 100644
--- a/profiles/prefix/darwin/macos/package.use.mask
+++ b/profiles/prefix/darwin/macos/package.use.mask
@@ -1,27 +1,27 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Andrey Utkin <andrey_utkin@g.o> (11 Mar 2018)
+# Andrey Utkin <andrey_utkin@g.o> (2018-03-11)
 # This flag can be sensibly enabled only on macos
 # hence it is masked in base profile. Bug #637482
 media-video/ffmpeg -appkit
 
-# James Le Cuirot <chewi@g.o> (29 Jul 2015)
+# James Le Cuirot <chewi@g.o> (2015-07-29)
 # JavaFX is included on Mac OS. I think a browser plugin is too but as
 # libjvm rather than libnpjp2 like on Linux so keep nsplugin masked.
 dev-java/oracle-jdk-bin -javafx
 dev-java/oracle-jre-bin -javafx
 
-# Fabian Groffen <grobian@g.o> (30 Oct 2009)
+# Fabian Groffen <grobian@g.o> (2009-10-30)
 # X and linux only
 media-video/mplayer xv dga X xinerama xscreensaver
 media-video/mplayer dvb lirc jack joystick
 
-# Fabian Groffen <grobian@g.o> (06 Aug 2008)
+# Fabian Groffen <grobian@g.o> (2008-08-06)
 # runtime loading is horribly broken (it uses fixed .so.0, but when
 # that's fixed it still doesn't work)
 dev-vcs/subversion dso
 
-# Elias Pipping <pipping@g.o> (27 Aug 2007)
+# Elias Pipping <pipping@g.o> (2007-08-27)
 # elinks does not compile with USE=perl (tested with 0.11.{2,3})
 www-client/elinks perl

diff --git a/profiles/prefix/darwin/package.mask b/profiles/prefix/darwin/package.mask
index 8fb33a1b721..a0cd86ce4ca 100644
--- a/profiles/prefix/darwin/package.mask
+++ b/profiles/prefix/darwin/package.mask
@@ -1,11 +1,11 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (14 Jan 2014)
+# Fabian Groffen <grobian@g.o> (2014-01-14)
 # util-linux has no business on Darwin systems
 sys-apps/util-linux
 
-# Fabian Groffen <grobian@g.o> (19 Feb 2012)
+# Fabian Groffen <grobian@g.o> (2012-02-19)
 # Using FSF GCC on Mac OS X is not supported by Gentoo Prefix.  While
 # the FSF GCC compiler is certainly useful, some - if not many -
 # packages expect the Apple branch of GCC, and its (sometimes peculiar)
@@ -13,19 +13,19 @@ sys-apps/util-linux
 # FSF GCC, if you have patches, please send them directly to upstream.
 sys-devel/gcc
 
-# Fabian Groffen <grobian@g.o> (30 Dec 2011)
+# Fabian Groffen <grobian@g.o> (2011-12-30)
 # Does not support Darwin, http://mj.ucw.cz/pciutils.html
 sys-apps/pciutils
 
-# Fabian Groffen <grobian@g.o> (21 Apr 2010)
+# Fabian Groffen <grobian@g.o> (2010-04-21)
 # state of mesa is probably not too good on OSX, opengl-apple is
 # preferred
 media-libs/mesa
 
-# Elias Pipping <pipping@g.o> (09 Oct 2007)
+# Elias Pipping <pipping@g.o> (2007-10-09)
 # darwin-miscutils are only available on darwin
 -sys-apps/darwin-miscutils
 
-# Fabian Groffen <grobian@g.o> (21 Jan 2007)
+# Fabian Groffen <grobian@g.o> (2007-01-21)
 # dies with "exhausted memory" errors on Darwin
 =dev-vcs/cvs-1.12.12*

diff --git a/profiles/prefix/darwin/package.use.mask b/profiles/prefix/darwin/package.use.mask
index 5c1cfd747f9..8cf6f41b007 100644
--- a/profiles/prefix/darwin/package.use.mask
+++ b/profiles/prefix/darwin/package.use.mask
@@ -1,38 +1,38 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (06 Apr 2016)
+# Fabian Groffen <grobian@g.o> (2016-04-06)
 # dev-libs/re2 needs love, bug #563932
 app-misc/sphinx re2
 
-# Fabian Groffen <grobian@g.o> (10 Jan 2016)
+# Fabian Groffen <grobian@g.o> (2016-01-10)
 # libutempter isn't ported for Darwin, bug #506494
 net-misc/mosh utempter
 
-# Fabian Groffen <grobian@g.o> (26 May 2015)
+# Fabian Groffen <grobian@g.o> (2015-05-26)
 # Avoid pulling in broken and unnecessary ossp-uuid, bug #324527
 dev-db/postgresql uuid
 
-# Christoph Junghans <junghans@g.o> (26 Aug 2012)
+# Christoph Junghans <junghans@g.o> (2012-08-26)
 # libutempter support does not work on Darwin (bug #388791)
 x11-terms/eterm utempter
 
-# Fabian Groffen <grobian@g.o> (24 Mar 2012)
+# Fabian Groffen <grobian@g.o> (2012-03-24)
 # There's no upstream support for MPI on Darwin
 media-gfx/tachyon mpi
 
-# Fabian Groffen <grobian@g.o> (01 Jan 2012)
+# Fabian Groffen <grobian@g.o> (2012-01-01)
 # gdb server is not supported on this platform
 sys-devel/gdb server
 
-# Fabian Groffen <grobian@g.o> (08 Jan 2011)
+# Fabian Groffen <grobian@g.o> (2011-01-08)
 # Darwin has libuuid from util-linux
 x11-libs/libSM -uuid
 
-# Fabian Groffen <grobian@g.o> (30 Oct 2009)
+# Fabian Groffen <grobian@g.o> (2009-10-30)
 # linux only
 media-video/mplayer dvb lirc jack joystick
 
-# Elias Pipping <pipping@g.o> (16 Nov 2007)
+# Elias Pipping <pipping@g.o> (2007-11-16)
 # make fails
 sys-devel/gcc objc-gc

diff --git a/profiles/prefix/linux/amd64/make.defaults b/profiles/prefix/linux/amd64/make.defaults
index 01d39d236ab..22be1cd833f 100644
--- a/profiles/prefix/linux/amd64/make.defaults
+++ b/profiles/prefix/linux/amd64/make.defaults
@@ -1,7 +1,7 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-#Note: this is Gentoo Prefix specific! (13 Jul 2008, darkside)
+#Note: this is Gentoo Prefix specific! (2008-07-13, darkside)
 
 # The base profile sets ACCEPT_KEYWORDS=amd64 and we don't have that in prefix.
 ACCEPT_KEYWORDS="-amd64 ~amd64-linux"

diff --git a/profiles/prefix/linux/make.defaults b/profiles/prefix/linux/make.defaults
index 4e2672bc1ce..22b9a93c7c8 100644
--- a/profiles/prefix/linux/make.defaults
+++ b/profiles/prefix/linux/make.defaults
@@ -5,12 +5,12 @@
 ELIBC="glibc"
 KERNEL="linux"
 
-# Fabian Groffen <grobian@g.o> (13 Sep 2017)
+# Fabian Groffen <grobian@g.o> (2017-09-13)
 # Traditional Prefix is no-multilib, and always installs in /lib so
 # don't check against this for "incompatible" objects
 FEATURES="-multilib-strict"
 
-# 2006/10/28 - Luca Barbato <lu_zero@g.o>
+# Luca Barbato <lu_zero@g.o> (2006-10-28)
 # on glibc system you cannot turn it off
 USE="iconv"
 
@@ -21,12 +21,12 @@ USE="${USE} openmp"
 # can be for a non-prefix install
 USE="${USE} -acl"
 
-# 2008/07/09 - Doug Goldstein <cardoe@g.o>
+# Doug Goldstein <cardoe@g.o> (2008-07-09)
 # Adding LDFLAGS="-Wl,-O1 for all Linux profiles by default
 # after discussion on the gentoo-dev ML. As we bang out a clear
 # direction with how LDFLAGS will be set by default, this entry
 # may move.
-# 2010/08/12 - Fabian Groffen <grobian@g.o>
+# Fabian Groffen <grobian@g.o> (2010-08-12)
 # Unlike default/linux, we do NOT have --as-needed here, as it seems to
 # break a random amount of packages, that don't break (or just not
 # enough) for non-Prefix installs.

diff --git a/profiles/prefix/linux/package.mask b/profiles/prefix/linux/package.mask
index b13eb34a520..4a1b653891c 100644
--- a/profiles/prefix/linux/package.mask
+++ b/profiles/prefix/linux/package.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2019 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (08 Jan 2019)
+# Michael Haubenwallner <haubi@g.o> (2019-01-08)
 # Prefix Guest does use host libc and host kernel's headers,
 # hence packages should depend on virtual/os-headers instead.
 sys-kernel/linux-headers

diff --git a/profiles/prefix/linux/package.use.mask b/profiles/prefix/linux/package.use.mask
index 67fc3998519..d578c64b9d8 100644
--- a/profiles/prefix/linux/package.use.mask
+++ b/profiles/prefix/linux/package.use.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2019 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (02 May 2019)
+# Michael Haubenwallner <haubi@g.o> (2019-05-02)
 # gold is linux only, and is required by cxx
 sys-devel/binutils -cxx -gold -default-gold

diff --git a/profiles/prefix/linux/use.mask b/profiles/prefix/linux/use.mask
index 03831a79a58..511343b0614 100644
--- a/profiles/prefix/linux/use.mask
+++ b/profiles/prefix/linux/use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (19 Apr 2016)
+# Michael Haubenwallner <haubi@g.o> (2016-04-19)
 # Unmask the linux-glibc combo, or we get bug#574822.
 -elibc_glibc
 -kernel_linux

diff --git a/profiles/prefix/mint/package.use.force b/profiles/prefix/mint/package.use.force
index b4313ba599c..993c1261aac 100644
--- a/profiles/prefix/mint/package.use.force
+++ b/profiles/prefix/mint/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (18 Apr 2016)
+# Michael Haubenwallner <haubi@g.o> (2016-04-18)
 # adjust MiNT specifics via USE flags
 sys-apps/coreutils hostname kill
 

diff --git a/profiles/prefix/mint/package.use.mask b/profiles/prefix/mint/package.use.mask
index d0abe37cb88..376e04bd382 100644
--- a/profiles/prefix/mint/package.use.mask
+++ b/profiles/prefix/mint/package.use.mask
@@ -1,14 +1,14 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Alan Hourihane <alanh@×××××××××××.uk> (11 Mar 2014)
+# Alan Hourihane <alanh@×××××××××××.uk> (2014-03-11)
 # plays havoc with GNU pth bug #503764
 dev-lang/tcl threads
 
-# Alan Hourihane <alanh@×××××××××××.uk> (30 Dec 2011)
+# Alan Hourihane <alanh@×××××××××××.uk> (2011-12-30)
 # xz-utils plays havoc with GNU pth
 app-arch/xz-utils threads
 
-# Alan Hourihane <alanh@×××××××××××.uk> (15 Dec 2011)
+# Alan Hourihane <alanh@×××××××××××.uk> (2011-12-15)
 # MiNT doesn't have mmap, and jit requires it.
 dev-libs/libpcre jit

diff --git a/profiles/prefix/package.mask b/profiles/prefix/package.mask
index e7ab873478f..a5b0d5ffa13 100644
--- a/profiles/prefix/package.mask
+++ b/profiles/prefix/package.mask
@@ -8,15 +8,15 @@
 # NOTE: Please add your entry at the top!
 #
 
-# Fabian Groffen <grobian@g.o> (15 Apr 2017)
+# Fabian Groffen <grobian@g.o> (2017-04-15)
 # reentrant patch breaks prefix option, bug #615560
 =sys-devel/flex-2.6.3-r1
 
-# Elias Pipping <pipping@g.o> (09 Oct 2007)
+# Elias Pipping <pipping@g.o> (2007-10-09)
 # darwin-miscutils are only available on darwin
 sys-apps/darwin-miscutils
 
-# Fabian Groffen <grobian@g.o> (04 Apr 2007)
+# Fabian Groffen <grobian@g.o> (2007-04-04)
 # Don't use this, it is only provided for experimentation and as tool to
 # recover from broken linker situations.
 sys-devel/native-cctools

diff --git a/profiles/prefix/package.use.mask b/profiles/prefix/package.use.mask
index 454722cd311..c101c189693 100644
--- a/profiles/prefix/package.use.mask
+++ b/profiles/prefix/package.use.mask
@@ -1,11 +1,11 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (02 May 2019)
+# Michael Haubenwallner <haubi@g.o> (2019-05-02)
 # gold is linux only, and is required by cxx
 sys-devel/binutils cxx gold default-gold
 
-# Fabian Groffen <grobian@g.o> (27 Dec 2018)
+# Fabian Groffen <grobian@g.o> (2018-12-27)
 # USE-dep fixing, bugs #665088, #667266, #671730, 
 dev-db/postgresql kerberos ldap llvm pam systemd libressl
 net-libs/libsoup gssapi samba vala
@@ -15,20 +15,20 @@ app-doc/doxygen clang doxysearch qt5
 app-text/ghostscript-gpl cups
 app-text/texlive-core cjk
 
-# Mikle Kolyada <zlogene@g.o> (29 Nov 2014)
+# Mikle Kolyada <zlogene@g.o> (2014-11-29)
 # Masked because of lack of manpower/time (bug #497068)
 dev-vcs/git mediawiki mediawiki-experimental
 
-# Fabian Groffen <grobian@g.o> (23 Oct 2010)
+# Fabian Groffen <grobian@g.o> (2010-10-23)
 # IPC relies on pipes, selects, polls, and more stuff that Python is
 # very bad with, that really causes way more issues than it is worth to
 # have some boundary bugs solved and more robust subshell die support
 sys-apps/portage ipc
 
-# Michael Haubenwallner <haubi@g.o> (17 Sep 2010)
+# Michael Haubenwallner <haubi@g.o> (2010-09-17)
 # sys-apps/keyutils is a linux only package
 app-crypt/mit-krb5 keyutils
 
-# Michael Haubenwallner <haubi@g.o> (30 Sep 2009)
+# Michael Haubenwallner <haubi@g.o> (2009-09-30)
 # Most prefix platforms do/can not have a uuid implementation (#230981).
 x11-libs/libSM uuid

diff --git a/profiles/prefix/sunos/solaris/5.10/use.mask b/profiles/prefix/sunos/solaris/5.10/use.mask
index 5fcc8b468e5..416b754cad0 100644
--- a/profiles/prefix/sunos/solaris/5.10/use.mask
+++ b/profiles/prefix/sunos/solaris/5.10/use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (22 Aug 2017)
+# Fabian Groffen <grobian@g.o> (2017-08-22)
 # PIE is basically not supported on non-Linux
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57409
 pie

diff --git a/profiles/prefix/sunos/solaris/5.11/package.use.mask b/profiles/prefix/sunos/solaris/5.11/package.use.mask
index 475bf85e8d6..9189887a499 100644
--- a/profiles/prefix/sunos/solaris/5.11/package.use.mask
+++ b/profiles/prefix/sunos/solaris/5.11/package.use.mask
@@ -2,6 +2,6 @@
 # Distributed under the terms of the GNU General Public License v2
 
 
-# Fabian Groffen <grobian@g.o> (30 Mar 2011)
+# Fabian Groffen <grobian@g.o> (2011-03-30)
 # git is broken with some repack failure (OpenSolaris only)
 sys-devel/gettext git

diff --git a/profiles/prefix/sunos/solaris/5.9/package.mask b/profiles/prefix/sunos/solaris/5.9/package.mask
index ef497cea65e..20d65461b56 100644
--- a/profiles/prefix/sunos/solaris/5.9/package.mask
+++ b/profiles/prefix/sunos/solaris/5.9/package.mask
@@ -2,12 +2,12 @@
 # Distributed under the terms of the GNU General Public License v2
 
 
-# Jeremy Olexa <darkside@g.o> (26 Aug 2008)
+# Jeremy Olexa <darkside@g.o> (2008-08-26)
 # Requires that pthread.h defines pthread_atfork() but it doesn't on Solaris 9
 # SPARC.
 dev-libs/nss
 
-# Jeremy Olexa <darkside@g.o> (26 Aug 2008)
+# Jeremy Olexa <darkside@g.o> (2008-08-26)
 # Massive header errors. SIZE_MAX is defined in limits.h, getopt_long.c requires
 # getopt.h and err.h which don't seem to be present. Might be salvageable with
 # gnulib but I don't know much about that yet. Old versions still work.

diff --git a/profiles/prefix/sunos/solaris/5.9/package.use.mask b/profiles/prefix/sunos/solaris/5.9/package.use.mask
index 149d54951df..19ae00c853e 100644
--- a/profiles/prefix/sunos/solaris/5.9/package.use.mask
+++ b/profiles/prefix/sunos/solaris/5.9/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2011 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (16 Nov 2011)
+# Fabian Groffen <grobian@g.o> (2011-11-16)
 # jit not supported on sparc
 dev-libs/libpcre jit
 

diff --git a/profiles/prefix/sunos/solaris/5.9/use.mask b/profiles/prefix/sunos/solaris/5.9/use.mask
index 5fcc8b468e5..416b754cad0 100644
--- a/profiles/prefix/sunos/solaris/5.9/use.mask
+++ b/profiles/prefix/sunos/solaris/5.9/use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (22 Aug 2017)
+# Fabian Groffen <grobian@g.o> (2017-08-22)
 # PIE is basically not supported on non-Linux
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57409
 pie

diff --git a/profiles/prefix/sunos/solaris/arch/sparc/package.mask b/profiles/prefix/sunos/solaris/arch/sparc/package.mask
index 677bc3ba12e..61c3da4d562 100644
--- a/profiles/prefix/sunos/solaris/arch/sparc/package.mask
+++ b/profiles/prefix/sunos/solaris/arch/sparc/package.mask
@@ -4,6 +4,6 @@
 # All the Solaris profiles inherit from their matching arch profile here.
 
 
-# Fabian Groffen <grobian@g.o> (30 Dec 2011)
+# Fabian Groffen <grobian@g.o> (2011-12-30)
 # Does not support Solaris/SPARC, http://mj.ucw.cz/pciutils.html
 sys-apps/pciutils

diff --git a/profiles/prefix/sunos/solaris/arch/sparc/package.use.mask b/profiles/prefix/sunos/solaris/arch/sparc/package.use.mask
index 64d9694254b..f54109ff2fa 100644
--- a/profiles/prefix/sunos/solaris/arch/sparc/package.use.mask
+++ b/profiles/prefix/sunos/solaris/arch/sparc/package.use.mask
@@ -4,7 +4,7 @@
 # All the Solaris profiles inherit from their matching arch profile here.
 
 
-# Fabian Groffen <grobian@g.o> (16 Nov 2011)
+# Fabian Groffen <grobian@g.o> (2011-11-16)
 # jit not supported on sparc
 dev-libs/libpcre jit
 

diff --git a/profiles/prefix/sunos/solaris/arch/sparc64/package.mask b/profiles/prefix/sunos/solaris/arch/sparc64/package.mask
index 677bc3ba12e..61c3da4d562 100644
--- a/profiles/prefix/sunos/solaris/arch/sparc64/package.mask
+++ b/profiles/prefix/sunos/solaris/arch/sparc64/package.mask
@@ -4,6 +4,6 @@
 # All the Solaris profiles inherit from their matching arch profile here.
 
 
-# Fabian Groffen <grobian@g.o> (30 Dec 2011)
+# Fabian Groffen <grobian@g.o> (2011-12-30)
 # Does not support Solaris/SPARC, http://mj.ucw.cz/pciutils.html
 sys-apps/pciutils

diff --git a/profiles/prefix/sunos/solaris/arch/sparc64/package.use.mask b/profiles/prefix/sunos/solaris/arch/sparc64/package.use.mask
index 3772a96cb28..ed7dd10d56f 100644
--- a/profiles/prefix/sunos/solaris/arch/sparc64/package.use.mask
+++ b/profiles/prefix/sunos/solaris/arch/sparc64/package.use.mask
@@ -4,6 +4,6 @@
 # All the Solaris profiles inherit from their matching arch profile here.
 
 
-# Fabian Groffen <grobian@g.o> (16 Nov 2011)
+# Fabian Groffen <grobian@g.o> (2011-11-16)
 # jit not supported on sparc
 dev-libs/libpcre jit

diff --git a/profiles/prefix/sunos/solaris/package.mask b/profiles/prefix/sunos/solaris/package.mask
index 8d8dd0a834c..927f9bdcd32 100644
--- a/profiles/prefix/sunos/solaris/package.mask
+++ b/profiles/prefix/sunos/solaris/package.mask
@@ -1,11 +1,11 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (22 Mar 2019)
+# Fabian Groffen <grobian@g.o> (2019-03-22)
 # fails to compile, bug #681316
 =app-crypt/gnupg-2.2.14
 
-# Fabian Groffen <grobian@g.o> (12 Nov 2018)
+# Fabian Groffen <grobian@g.o> (2018-11-12)
 # these versions of binutils produces shared libraries with symbol lookup
 # errors, probably a versioning problem, confirmed on Solaris 10 and
 # OpenIndiana (11)
@@ -13,23 +13,23 @@
 =sys-devel/binutils-2.31.1*
 =sys-devel/binutils-2.32*
 
-# Fabian Groffen <grobian@g.o> (14 Jan 2014)
+# Fabian Groffen <grobian@g.o> (2014-01-14)
 # util-linux has no business on Solaris systems
 sys-apps/util-linux
 
-# Fabian Groffen <grobian@g.o> (09 May 2012)
+# Fabian Groffen <grobian@g.o> (2012-05-09)
 # Installing libelf will hurt your system.  In particular libkvm needs
 # the system libelf to function properly.
 dev-libs/libelf
 
-# Fabian Groffen <grobian@g.o> (25 Aug 2011)
+# Fabian Groffen <grobian@g.o> (2011-08-25)
 # Fails to compile, and not worth fixing, bug #379723
 =sys-devel/gcc-4.3.6*
 
-# Fabian Groffen <grobian@g.o> (29 Nov 2009)
+# Fabian Groffen <grobian@g.o> (2009-11-29)
 # segfaults during compilation, bug #294479
 =virtual/emacs-23
 
-# Fabian Groffen <grobian@g.o> (21 Jan 2007)
+# Fabian Groffen <grobian@g.o> (2007-01-21)
 # doesn't understand arguments on Solaris
 =dev-vcs/cvs-1.12.12*

diff --git a/profiles/prefix/sunos/solaris/package.unmask b/profiles/prefix/sunos/solaris/package.unmask
index 5ee4cddbd36..163960e6b98 100644
--- a/profiles/prefix/sunos/solaris/package.unmask
+++ b/profiles/prefix/sunos/solaris/package.unmask
@@ -1,6 +1,6 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (12 Dec 2018)
+# Fabian Groffen <grobian@g.o> (2018-12-12)
 # unmask older binutils, this goes together with the masking of 2.31.1
 <sys-devel/binutils-2.30

diff --git a/profiles/prefix/sunos/solaris/package.use.force b/profiles/prefix/sunos/solaris/package.use.force
index ae3b08d0d6a..aef1443834a 100644
--- a/profiles/prefix/sunos/solaris/package.use.force
+++ b/profiles/prefix/sunos/solaris/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2011 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Fabian Groffen <grobian@g.o> (08 Dec 2011)
+# Fabian Groffen <grobian@g.o> (2011-12-08)
 # Force libssp, Solaris' libc doesn't have stack protection symbols,
 # hence without this, -fstack-protector fails with linker unresolved
 # symbol errors.

diff --git a/profiles/prefix/sunos/solaris/package.use.mask b/profiles/prefix/sunos/solaris/package.use.mask
index 777a5175687..9461b078070 100644
--- a/profiles/prefix/sunos/solaris/package.use.mask
+++ b/profiles/prefix/sunos/solaris/package.use.mask
@@ -2,30 +2,30 @@
 # Distributed under the terms of the GNU General Public License v2
 
 
-# Fabian Groffen <grobian@g.o> (15 Apr 2019)
+# Fabian Groffen <grobian@g.o> (2019-04-15)
 # chg client fails to compile, bug #683374
 dev-vcs/mercurial chg
 
-# Fabian Groffen <grobian@g.o> (06 Apr 2016)
+# Fabian Groffen <grobian@g.o> (2016-04-06)
 # dev-libs/re2 needs love, bug #563932
 app-misc/sphinx re2
 
-# Fabian Groffen <grobian@g.o> (26 May 2015)
+# Fabian Groffen <grobian@g.o> (2015-05-26)
 # Avoid pulling in broken and unnecessary ossp-uuid, bug #324527
 dev-db/postgresql uuid
 
-# Fabian Groffen <grobian@g.o> (08 Dec 2011)
+# Fabian Groffen <grobian@g.o> (2011-12-08)
 # Unmask libssp, Solaris' libc doesn't have stack protection symbols
 sys-devel/gcc -libssp
 
-# Fabian Groffen <grobian@g.o> (05 Sep 2011)
+# Fabian Groffen <grobian@g.o> (2011-09-05)
 # gir tries to link c++ code using gcc and obviously fails
 app-text/poppler introspection
 
-# Fabian Groffen <grobian@g.o> (24 Apr 2011)
+# Fabian Groffen <grobian@g.o> (2011-04-24)
 # kms seems linux only, bug #319285
 x11-libs/libdrm libkms
 
-# Jeremy Olexa <darkside@g.o> (03 Dec 2008)
+# Jeremy Olexa <darkside@g.o> (2008-12-03)
 # Fails to compile on Solaris, bug #245659
 media-gfx/inkscape lcms

diff --git a/profiles/prefix/use.mask b/profiles/prefix/use.mask
index 0d8717df729..6346ec77053 100644
--- a/profiles/prefix/use.mask
+++ b/profiles/prefix/use.mask
@@ -2,12 +2,12 @@
 # Distributed under the terms of the GNU General Public License v2
 
 
-# Fabian Groffen <grobian@g.o> (29 Dec 2018)
+# Fabian Groffen <grobian@g.o> (2018-12-29)
 # separate /usr has been disabled for long in Prefix, so ensure we don't
 # accidentially trigger stuff (for now in sys-apps/coreutils)
 split-usr
 
-# Michael Haubenwallner <haubi@g.o> (21 Jun 2018)
+# Michael Haubenwallner <haubi@g.o> (2018-06-21)
 # sys-libs/libseccomp is a linux interface, not sure if it will work
 # in prefix for Linux either, bug #585756
 seccomp

diff --git a/profiles/prefix/windows/cygwin/package.mask b/profiles/prefix/windows/cygwin/package.mask
index e972e51406f..e6c0467b90a 100644
--- a/profiles/prefix/windows/cygwin/package.mask
+++ b/profiles/prefix/windows/cygwin/package.mask
@@ -1,23 +1,23 @@
 # Copyright 1999-2019 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (07 Jun 2019)
+# Michael Haubenwallner <haubi@g.o> (2019-06-07)
 # Breaks due to weak functions and object file order on linkline,
 # see https://cygwin.com/ml/cygwin/2019-06/msg00092.html
 >=app-portage/portage-utils-0.80_pre
 
-# Michael Haubenwallner <haubi@g.o> (07 Jun 2019)
+# Michael Haubenwallner <haubi@g.o> (2019-06-07)
 # Cygwin does not provide this new version yet in it's repo.
 >=sys-devel/gcc-8.4
 
-# Michael Haubenwallner <haubi@g.o> (13 Feb 2019)
+# Michael Haubenwallner <haubi@g.o> (2019-02-13)
 # see upstream report https://savannah.gnu.org/bugs/index.php?55708
 =sys-apps/groff-1.22.4
 
-# Michael Haubenwallner <haubi@g.o> (30 Jan 2019)
+# Michael Haubenwallner <haubi@g.o> (2019-01-30)
 # Cygwin does not have updated patches yet, is not trivial
 >=sys-apps/coreutils-8.30
 
-# Michael Haubenwallner <haubi@g.o> (20 May 2016)
+# Michael Haubenwallner <haubi@g.o> (2016-05-20)
 # Does not work with Cygwin.
 sys-apps/man-db

diff --git a/profiles/prefix/windows/cygwin/package.unmask b/profiles/prefix/windows/cygwin/package.unmask
index f385520e77e..a6462b66876 100644
--- a/profiles/prefix/windows/cygwin/package.unmask
+++ b/profiles/prefix/windows/cygwin/package.unmask
@@ -1,6 +1,6 @@
 # Copyright 1999-2019 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (13 Feb 2019)
+# Michael Haubenwallner <haubi@g.o> (2019-02-13)
 # A little less broken on Cygwin than openssl-1.1.0j.
 =dev-libs/openssl-1.1.1*

diff --git a/profiles/prefix/windows/cygwin/package.use b/profiles/prefix/windows/cygwin/package.use
index e84dda26175..e42eadac893 100644
--- a/profiles/prefix/windows/cygwin/package.use
+++ b/profiles/prefix/windows/cygwin/package.use
@@ -1,14 +1,14 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (14 May 2018)
+# Michael Haubenwallner <haubi@g.o> (2018-05-14)
 # stack protector does not fully work on Cygwin yet
 sys-devel/gcc -ssp
 
-# Michael Haubenwallner <haubi@g.o> (23 Mar 2017)
+# Michael Haubenwallner <haubi@g.o> (2017-03-23)
 # Using nettle hides a conflict between wincrypt and openssl.
 app-arch/libarchive nettle
 
-# Michael Haubenwallner <haubi@g.o> (18 Apr 2016)
+# Michael Haubenwallner <haubi@g.o> (2016-04-18)
 # Cygwin coreutils provide kill as gkill
 sys-apps/coreutils kill

diff --git a/profiles/prefix/windows/package.mask b/profiles/prefix/windows/package.mask
index d83ee31002e..ddb46a9cba6 100644
--- a/profiles/prefix/windows/package.mask
+++ b/profiles/prefix/windows/package.mask
@@ -1,6 +1,6 @@
 # Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (19 May 2016)
+# Michael Haubenwallner <haubi@g.o> (2016-05-19)
 # No point for util-linux on Windows
 sys-apps/util-linux

diff --git a/profiles/prefix/windows/winnt/package.use.mask b/profiles/prefix/windows/winnt/package.use.mask
index c42d3466be6..9a3ad8f5b82 100644
--- a/profiles/prefix/windows/winnt/package.use.mask
+++ b/profiles/prefix/windows/winnt/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Michael Haubenwallner <haubi@g.o> (02 Oct 2017)
+# Michael Haubenwallner <haubi@g.o> (2017-10-02)
 # requires nasm, which is hard to use via parity atm
 dev-libs/openssl asm
 dev-libs/openssl-compat asm

diff --git a/profiles/releases/17.0/package.mask b/profiles/releases/17.0/package.mask
index d4cbddeedf0..db64114b138 100644
--- a/profiles/releases/17.0/package.mask
+++ b/profiles/releases/17.0/package.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Andreas K. Huettel <dilfridge@g.o> (27 May 2017)
+# Andreas K. Huettel <dilfridge@g.o> (2017-05-27)
 # In the 17.0 profiles we assume that our system compiler uses C++14
 # or later as default language setting. This means it has to be at
 # least GCC 6. If you need an older compiler for specific purposes,
@@ -9,7 +9,7 @@
 # packages is neither recommended nor supported in any way.
 <sys-devel/gcc-6
 
-# Andreas K. Huettel <dilfridge@g.o> (1 Dec 2017)
+# Andreas K. Huettel <dilfridge@g.o> (2017-12-01)
 # The following packages require GCC 5 or earlier and are therefore
 # masked in the 17.0 profiles.
 dev-java/ecj-gcj

diff --git a/profiles/releases/17.0/package.use.force b/profiles/releases/17.0/package.use.force
index e0b6784ee1e..93c1097058f 100644
--- a/profiles/releases/17.0/package.use.force
+++ b/profiles/releases/17.0/package.use.force
@@ -1,6 +1,6 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Andreas K. Hüttel <dilfridge@g.o> (27 May 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-05-27)
 # Force default-PIE build on 17.0 profiles.
 sys-devel/gcc pie

diff --git a/profiles/releases/17.0/package.use.mask b/profiles/releases/17.0/package.use.mask
index f51cb60a76a..ed2a37236b7 100644
--- a/profiles/releases/17.0/package.use.mask
+++ b/profiles/releases/17.0/package.use.mask
@@ -1,6 +1,6 @@
 # Copyright 2017-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Andreas K. Hüttel <dilfridge@g.o> (27 May 2017)
+# Andreas K. Hüttel <dilfridge@g.o> (2017-05-27)
 # Unmask default-PIE on 17.0 profiles.
 sys-devel/gcc -pie

diff --git a/profiles/releases/freebsd-11.1/package.mask b/profiles/releases/freebsd-11.1/package.mask
index c2612711475..1767b7c756c 100644
--- a/profiles/releases/freebsd-11.1/package.mask
+++ b/profiles/releases/freebsd-11.1/package.mask
@@ -31,11 +31,11 @@
 <sys-freebsd/freebsd-sources-11.1_alpha
 >sys-freebsd/freebsd-sources-11.1.99
 
-# Alexis Ballier <aballier@g.o> (07 Nov 2011)
+# Alexis Ballier <aballier@g.o> (2011-11-07)
 # It is in freebsd-ubin starting from FreeBSD 9.0
 sys-process/fuser-bsd
 
-# Alexis Ballier <aballier@g.o> (11 May 2012)
+# Alexis Ballier <aballier@g.o> (2012-05-11)
 # freebsd-lib provides a utempter compatible interface starting from FreeBSD 9.0
 # via libulog.
 # this package does not build anymore as it requires utmp

diff --git a/profiles/releases/freebsd-11.1/package.use.mask b/profiles/releases/freebsd-11.1/package.use.mask
index a31b625b320..5e68f049c93 100644
--- a/profiles/releases/freebsd-11.1/package.use.mask
+++ b/profiles/releases/freebsd-11.1/package.use.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2018 Gentoo Foundation.
 # Distributed under the terms of the GNU General Public License, v2
 
-# Brian Evans <grknight@g.o> (15 Jan 2018)
+# Brian Evans <grknight@g.o> (2018-01-15)
 # Mask innodb-snappy as app-arch/snappy is untested
 # Mask innodb-lz4 as app-arch/lz4 is untested
 # Mask oqgraph as dev-libs/judy is untested

diff --git a/profiles/releases/freebsd-11.1/use.mask b/profiles/releases/freebsd-11.1/use.mask
index 6014f7dee6c..57b5cd349fa 100644
--- a/profiles/releases/freebsd-11.1/use.mask
+++ b/profiles/releases/freebsd-11.1/use.mask
@@ -1,14 +1,14 @@
 # Copyright 1999-2018 Gentoo Foundation.
 # Distributed under the terms of the GNU General Public License, v2
 
-# Brian Evans <grknight@g.o> (15 Jan 2018)
+# Brian Evans <grknight@g.o> (2018-01-15)
 # Mask dev-util/systemtap is untested
 systemtap
 
-# Brian Evans <grknight@g.o> (15 Jan 2018)
+# Brian Evans <grknight@g.o> (2018-01-15)
 # Mask dev-libs/jemalloc is untested
 jemalloc
 
-# Brian Evans <grknight@g.o> (15 Jan 2018)
+# Brian Evans <grknight@g.o> (2018-01-15)
 # Mask dev-libs/libressl is untested
 libressl

diff --git a/profiles/targets/desktop/gnome/package.use b/profiles/targets/desktop/gnome/package.use
index 70a21e468c5..508542fbefe 100644
--- a/profiles/targets/desktop/gnome/package.use
+++ b/profiles/targets/desktop/gnome/package.use
@@ -44,7 +44,7 @@ net-libs/libproxy python
 # For net-misc/vinagre-3.4 and gnome-boxes
 net-misc/spice-gtk gtk3
 
-# Alexandre Rostovtsev <tetromino@g.o> (19 Feb 2015)
+# Alexandre Rostovtsev <tetromino@g.o> (2015-02-19)
 # Set reasonable default toolkit for gnome users to prevent emerge error
 # when USE=tools
 x11-drivers/nvidia-drivers gtk3

diff --git a/profiles/targets/desktop/package.use b/profiles/targets/desktop/package.use
index 18f4dbc4b29..58f08ba8704 100644
--- a/profiles/targets/desktop/package.use
+++ b/profiles/targets/desktop/package.use
@@ -1,99 +1,99 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Lars Wendler <polynomial-c@g.o> (20 Mar 2019)
+# Lars Wendler <polynomial-c@g.o> (2019-03-20)
 # Enable client by default. Usually desktop users need the client.
 net-fs/samba client
 
-# Andreas Sturmlechner <asturm@g.o> (09 Jun 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-06-09)
 # Required by app-office/libreoffice
 dev-libs/xmlsec nss
 
-# Andreas Sturmlechner <asturm@g.o> (09 Jun 2018)
+# Andreas Sturmlechner <asturm@g.o> (2018-06-09)
 # Enable sensible defaults for desktop users
 dev-qt/qtwebkit:5 printsupport
 
-# Andreas Sturmlechner <asturm@g.o> (30 Nov 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-11-30)
 # Not required, but makes life easier with Qt; bug #457934
 app-arch/unzip natspec
 
-# Andreas Sturmlechner <asturm@g.o> (30 Nov 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-11-30)
 # Required by dev-qt/qtcore
 dev-libs/libpcre pcre16
 dev-libs/libpcre2 pcre16
 
-# Andreas Sturmlechner <asturm@g.o> (30 Nov 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-11-30)
 # Required by kde-frameworks/kcoreaddons
 dev-qt/qtcore:5 icu
 
-# Andreas Sturmlechner <asturm@g.o> (30 Nov 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-11-30)
 # Required by kde-frameworks/kwayland
 dev-qt/qtgui:5 egl libinput
 
 # Required by dev-qt/qtwebengine
 media-libs/libvpx svc
 
-# Andreas Sturmlechner <asturm@g.o> (30 Nov 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-11-30)
 # Avoid circular dependency when installing from scratch
 dev-util/cmake -qt5
 
-# Andreas Sturmlechner <asturm@g.o> (19 Nov 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-11-19)
 # Required by opengl, theora, v4l and X
 media-libs/mediastreamer video
 
-# Andreas Sturmlechner <asturm@g.o> (04 Aug 2017)
+# Andreas Sturmlechner <asturm@g.o> (2017-08-04)
 # Required by flac and mp3
 kde-apps/k3b taglib
 kde-frameworks/kfilemetadata taglib
 
-# Brian Evans <grknight@g.o> (18 Jul 2017)
+# Brian Evans <grknight@g.o> (2017-07-18)
 # Don't force users to enable gd on PHP due to desktop defaults
 dev-lang/php -exif -truetype
 
-# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (02 Feb 2017)
+# Ilya Tumaykin <itumaykin+gentoo@×××××.com> (2017-02-02)
 # Enable luajit for OSC and youtube-dl support by default.
 # Override default +sdl from desktop profile and disable sdl outputs.
 # These outputs are for systems without a proper audio/video support.
 media-video/mpv lua luajit -sdl
 
-# Mike Gilbert <floppym@g.o> (04 Jan 2017)
+# Mike Gilbert <floppym@g.o> (2017-01-04)
 # Needed by x11-misc/xdg-utils.
 app-text/xmlto text
 
-# Ben de Groot <yngwin@g.o> (18 Feb 2015)
+# Ben de Groot <yngwin@g.o> (2015-02-18)
 # Enable sensible defaults for desktop users (bug #540046)
 dev-python/PyQt5 gui network printsupport widgets
 
-# Samuli Suominen <ssuominen@g.o> (24 Jul 2014)
+# Samuli Suominen <ssuominen@g.o> (2014-07-24)
 # Because targets/desktop/make.defaults has USE="bluetooth" but net-libs/libpcap doesn't
 # support BlueZ 5.x, disable USE="bluetooth" by default to avoid conflicting packages:
 net-libs/libpcap -bluetooth
 
-# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (08 May 2014)
+# Chí-Thanh Christopher Nguyễn <chithanh@g.o> (2014-05-08)
 # Enable x11-libs/libxcb[xkb] as it is needed by x11-libs/libxkbcommon[X]
 # and the X flag is enabled by default in the desktop profile
 x11-libs/libxcb xkb
 
-# Jeremy Olexa <darkside@g.o> (07 Oct 2011)
+# Jeremy Olexa <darkside@g.o> (2011-10-07)
 # Required by mesa, ultimately by xorg-server (every desktop) bug 385843
 dev-libs/libxml2 python
 
-# Samuli Suominen <ssuominen@g.o> (27 Sep 2011)
+# Samuli Suominen <ssuominen@g.o> (2011-09-27)
 # Required by mozilla browsers wrt #372419
 media-libs/libpng apng
 
-# Samuli Suominen <ssuominen@g.o> (19 Dec 2010)
+# Samuli Suominen <ssuominen@g.o> (2010-12-19)
 # gudev, required by freedesktop.org udev helpers like udisks and upower
 # introspection, exception, enabled from here instead of ebuild to skip extra deps for a system package
 dev-libs/libgudev introspection
 sys-fs/eudev introspection
 virtual/libgudev introspection
 
-# Samuli Suominen <ssuominen@g.o> (19 Dec 2010)
+# Samuli Suominen <ssuominen@g.o> (2010-12-19)
 # Support for desktop file icons
 xfce-base/xfdesktop thunar
 
-# Chris Gianelloni <wolf31o2@g.o> (26 Mar 2008)
+# Chris Gianelloni <wolf31o2@g.o> (2008-03-26)
 # While we may need LDAP client support, who needs the server on a desktop?
 # Did I mention that this also fixes the horrible perl dependency hell, too?
 net-nds/openldap minimal

diff --git a/profiles/targets/desktop/package.use.force b/profiles/targets/desktop/package.use.force
index 18f6dbebda4..75b02b26d3e 100644
--- a/profiles/targets/desktop/package.use.force
+++ b/profiles/targets/desktop/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Alexandre Rostovtsev <tetromino@g.o> (03 Jun 2014)
+# Alexandre Rostovtsev <tetromino@g.o> (2014-06-03)
 # Ensure shared-mime-info is pulled in by glib, otherwise GNOME, XFCE, and
 # numerous gtk-based applications will break, see bug #511894
 dev-libs/glib mime

diff --git a/profiles/targets/systemd/package.mask b/profiles/targets/systemd/package.mask
index 0556b1ddfe5..29d19bc587b 100644
--- a/profiles/targets/systemd/package.mask
+++ b/profiles/targets/systemd/package.mask
@@ -1,7 +1,7 @@
 # Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Pacho Ramos <pacho@g.o> (21 Apr 2015)
+# Pacho Ramos <pacho@g.o> (2015-04-21)
 # This is for running sys-apps/systemd and also helps
 # portage to not try to pull in other providers leading to
 # strange blockers.

diff --git a/profiles/targets/systemd/package.use b/profiles/targets/systemd/package.use
index d0552f6cb8b..2a089f2ed4b 100644
--- a/profiles/targets/systemd/package.use
+++ b/profiles/targets/systemd/package.use
@@ -1,6 +1,6 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Mike Gilbert <floppym@g.o> (12 Mar 2018)
+# Mike Gilbert <floppym@g.o> (2018-03-12)
 # Satisfy REQUIRED_USE by default, bug 650030.
 net-nds/rpcbind warmstarts

diff --git a/profiles/targets/systemd/package.use.force b/profiles/targets/systemd/package.use.force
index 13535a888c3..2894b0690a1 100644
--- a/profiles/targets/systemd/package.use.force
+++ b/profiles/targets/systemd/package.use.force
@@ -1,7 +1,7 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
-# Mike Gilbert <floppym@g.o> (22 Apr 2015)
+# Mike Gilbert <floppym@g.o> (2015-04-22)
 # Force systemd to avoid depgraph breakage, bug 547360.
 virtual/libgudev systemd
 virtual/libudev systemd

diff --git a/profiles/targets/systemd/package.use.mask b/profiles/targets/systemd/package.use.mask
index fadfb9f3653..ea352ad9aeb 100644
--- a/profiles/targets/systemd/package.use.mask
+++ b/profiles/targets/systemd/package.use.mask
@@ -1,11 +1,11 @@
 # Copyright 1999-2018 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Rick Farina <zerochaos@g.o> (04 Mar 2017)
+# Rick Farina <zerochaos@g.o> (2017-03-04)
 # requires libusb[static-libs] which requires libudev[static-libs], all masked
 net-wireless/ubertooth static-libs
 
-# Rick Farina <zerochaos@g.o> (03 Feb 2016)
+# Rick Farina <zerochaos@g.o> (2016-02-03)
 # dev-libs/libusb[static-libs] requires libudev[static-libs] which is masked below
 dev-libs/libusb static-libs