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

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

92 files changed, 158 insertions, 158 deletions

diff --git a/profiles/prefix/aix/package.mask b/profiles/prefix/aix/package.mask
index fc5cca327375..60c217c107df 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@gentoo.org> (03 Mar 2017)
+# Michael Haubenwallner <haubi@gentoo.org> (2017-03-03)
 # Breaks (openssh, ...) because of PR target/65058
 >=sys-devel/gcc-4.8.5
 
-# Fabian Groffen <grobian@gentoo.org> (04 Apr 2007)
+# Fabian Groffen <grobian@gentoo.org> (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 7dbad76ea3e6..7a6601cedf9d 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@gentoo.org> (03 Mar 2017)
+# Michael Haubenwallner <haubi@gentoo.org> (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@gentoo.org> (14 Apr 2014)
+# Michael Haubenwallner <haubi@gentoo.org> (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 21d4342daa5a..f7b06caec556 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@gentoo.org> (16 Feb 2012)
+# Michael Haubenwallner <haubi@gentoo.org> (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 c8a0f51c1211..0fe00cbb0542 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@gentoo.org> (30 Sep 2012)
+# Fabian Groffen <grobian@gentoo.org> (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 f72a8fab624d..95faafa5dd8a 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@gentoo.org> (29 Jul 2015)
+# James Le Cuirot <chewi@gentoo.org> (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 0e3b22de53b7..a07d2bdd5396 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@gentoo.org> (10 Apr 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 37fe719d893e..f2a46aa1b2ae 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 37fe719d893e..f2a46aa1b2ae 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 25d98fcad184..f1eab2bde7e6 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@gentoo.org> (30 Sep 2012)
+# Fabian Groffen <grobian@gentoo.org> (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 ffa904e1603a..003ec524a20b 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@gentoo.org> (29 Jul 2015)
+# James Le Cuirot <chewi@gentoo.org> (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 a2e4210b6c4b..2dbb0617093e 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@gentoo.org> (10 Apr 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 3890d8713529..92945515d46a 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 3890d8713529..92945515d46a 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 3a93b13de32a..ec06be2487a9 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@gentoo.org> (30 Sep 2012)
+# Fabian Groffen <grobian@gentoo.org> (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 9b6d7fac0541..92c8b2b4bee0 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@gentoo.org> (29 Jul 2015)
+# James Le Cuirot <chewi@gentoo.org> (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 45a85366bdbc..72da283f75bd 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@gentoo.org> (10 Apr 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 bbe3384ec5bb..e78eaa0d3e0b 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 bbe3384ec5bb..e78eaa0d3e0b 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 41658a130edd..ea39de0ebbf5 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@gentoo.org> (30 Sep 2012)
+# Fabian Groffen <grobian@gentoo.org> (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 40d7b786343e..998ec0bd8b9e 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@gentoo.org> (29 Jul 2015)
+# James Le Cuirot <chewi@gentoo.org> (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 16ddb12d86d4..8d3a1c676428 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@gentoo.org> (10 Apr 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 4cd81fcc677c..2424c49290d4 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 4cd81fcc677c..2424c49290d4 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 2cf5fcb331d7..6a61d9527e86 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@gentoo.org> (30 Sep 2012)
+# Fabian Groffen <grobian@gentoo.org> (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 727c96477d3a..63a107ba9049 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@gentoo.org> (29 Jul 2015)
+# James Le Cuirot <chewi@gentoo.org> (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 b3a7b21107ea..7fea5d6e40b3 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@gentoo.org> (10 Apr 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 b5750519297b..c281ff7b3fef 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 b5750519297b..c281ff7b3fef 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 92066a995673..5c1f976ce0bd 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@gentoo.org> (03 May 2012)
+# Fabian Groffen <grobian@gentoo.org> (2012-05-03)
 # Needs 10.6 or up
 >=dev-lang/ghc-7
 
-# Fabian Groffen <grobian@gentoo.org> (11 Jul 2011)
+# Fabian Groffen <grobian@gentoo.org> (2011-07-11)
 # Needs headers only available starting from 10.5 (Leopard)
 sys-process/lsof
 
-# Fabian Groffen <grobian@gentoo.org> (30 Apr 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 6559a807eafd..52409fbb3dd3 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@gentoo.org> (28 Apr 2008)
+# Fabian Groffen <grobian@gentoo.org> (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 eb7f4d25673f..28967018e683 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 daf51e691ebf..0f034a88475b 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@gentoo.org> (03 May 2012)
+# Fabian Groffen <grobian@gentoo.org> (2012-05-03)
 # Needs 10.6 or up
 >=dev-lang/ghc-7
 
-# Fabian Groffen <grobian@gentoo.org> (06 Nov 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 6559a807eafd..52409fbb3dd3 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@gentoo.org> (28 Apr 2008)
+# Fabian Groffen <grobian@gentoo.org> (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 9e50ba7ffb7a..ba9daf5618b6 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@gentoo.org> (18 Jun 2018)
+# Fabian Groffen <grobian@gentoo.org> (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 eb7f4d25673f..28967018e683 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 eb7f4d25673f..28967018e683 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 eb7f4d25673f..28967018e683 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 eb7f4d25673f..28967018e683 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 eb7f4d25673f..28967018e683 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 61d76c7770fe..586249a6b305 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@gentoo.org> (10 Apr 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 3024cdfd84c2..6b1c73971cdf 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 3024cdfd84c2..6b1c73971cdf 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 0d1a44f9d1f3..5b83590aa957 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@gentoo.org> (30 Sep 2012)
+# Fabian Groffen <grobian@gentoo.org> (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 522ceb60c053..eb289573a058 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@gentoo.org> (29 Jul 2015)
+# James Le Cuirot <chewi@gentoo.org> (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 5d32c2572ec9..1da406599d59 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@gentoo.org> (10 Apr 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 8e66f5a37ccd..3dfdb734725c 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 8e66f5a37ccd..3dfdb734725c 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 8669e34bc83e..f7972754d55e 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@gentoo.org> (30 Sep 2012)
+# Fabian Groffen <grobian@gentoo.org> (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 728cd4f5190e..d6315beb6e8a 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@gentoo.org> (29 Jul 2015)
+# James Le Cuirot <chewi@gentoo.org> (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 fc77c22b7f25..6956bd2b20c8 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@gentoo.org> (10 Apr 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 7d3ab2bb8526..cb61c0eae326 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 7d3ab2bb8526..cb61c0eae326 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@gentoo.org> (30 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 0214b3b9b330..465640b25057 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@gentoo.org> (22 Dec 2018)
+# Fabian Groffen <grobian@gentoo.org> (2018-12-22)
 # this version of libffi causes gcc to buserror
 =dev-libs/libffi-3.3_rc0
 
-# Fabian Groffen <grobian@gentoo.org> (5 Mar 2012)
+# Fabian Groffen <grobian@gentoo.org> (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 d0be324c4b1b..6a8082838a01 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@gentoo.org> (20 Dec 2016)
+# Fabian Groffen <grobian@gentoo.org> (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 8f009750a2ca..05af1b36b5b1 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@gentoo.org> (01 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (2007-09-01)
 # imlib2 does not compile with USE=mmx
 media-libs/imlib2 cpu_flags_x86_mmx
 
-# Elias Pipping <pipping@gentoo.org> (01 Sep 2007)
+# Elias Pipping <pipping@gentoo.org> (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 44d3760857a1..e59fb1aa91b0 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@gentoo.org> (29 Nov 2018)
+# Fabian Groffen <grobian@gentoo.org> (2018-11-29)
 # libgcrypt relies on GCC pragma to disable optimisation, but we use Clang
 dev-libs/libgcrypt o-flag-munging
 
-# Fabian Groffen <grobian@gentoo.org> (20 Dec 2016)
+# Fabian Groffen <grobian@gentoo.org> (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 42c047050b54..a974e63659b9 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@gentoo.org> (29 Dec 2014)
+# Christoph Junghans <ottoxr@gentoo.org> (2014-12-29)
 # disable optimized assembly code, bug #529584
 media-libs/xvid -pic
 
-# Jeremy Olexa <darkside@gentoo.org> (29 Jul 2010)
+# Jeremy Olexa <darkside@gentoo.org> (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@gentoo.org> (01 Feb 2009)
+# Fabian Groffen <grobian@gentoo.org> (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 44d3760857a1..e59fb1aa91b0 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@gentoo.org> (29 Nov 2018)
+# Fabian Groffen <grobian@gentoo.org> (2018-11-29)
 # libgcrypt relies on GCC pragma to disable optimisation, but we use Clang
 dev-libs/libgcrypt o-flag-munging
 
-# Fabian Groffen <grobian@gentoo.org> (20 Dec 2016)
+# Fabian Groffen <grobian@gentoo.org> (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 7068035a971e..59fd56b16032 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@gentoo.org> (29 Jul 2010)
+# Jeremy Olexa <darkside@gentoo.org> (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@gentoo.org> (01 Feb 2009)
+# Fabian Groffen <grobian@gentoo.org> (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 180e0ef71a42..09d72567e2d3 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@gentoo.org> (30 Apr 2019)
+# Fabian Groffen <grobian@gentoo.org> (2019-04-30)
 # Fails to install, bug #684030
 =dev-lang/perl-5.28.2*
 
-# Fabian Groffen <grobian@gentoo.org> (26 Apr 2019)
+# Fabian Groffen <grobian@gentoo.org> (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@gentoo.org> (26 Mar 2019)
+# Fabian Groffen <grobian@gentoo.org> (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@gentoo.org> (22 Mar 2019)
+# Fabian Groffen <grobian@gentoo.org> (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@gentoo.org> (29 Jul 2015)
+# James Le Cuirot <chewi@gentoo.org> (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 e90c190aa153..93ffdde1c0fa 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@gentoo.org> (24 Mar 2012)
+# Fabian Groffen <grobian@gentoo.org> (2012-03-24)
 # Non-threaded target doesn't exist for Mac OS X Intel
 media-gfx/tachyon threads opengl
 
-# Elias Pipping <pipping@gentoo.org> (29 Nov 2007)
+# Elias Pipping <pipping@gentoo.org> (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 ec7f0a220e5a..fb0d24c54557 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@gentoo.org> (11 Mar 2018)
+# Andrey Utkin <andrey_utkin@gentoo.org> (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@gentoo.org> (29 Jul 2015)
+# James Le Cuirot <chewi@gentoo.org> (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@gentoo.org> (30 Oct 2009)
+# Fabian Groffen <grobian@gentoo.org> (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@gentoo.org> (06 Aug 2008)
+# Fabian Groffen <grobian@gentoo.org> (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@gentoo.org> (27 Aug 2007)
+# Elias Pipping <pipping@gentoo.org> (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 8fb33a1b7214..a0cd86ce4ca8 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@gentoo.org> (14 Jan 2014)
+# Fabian Groffen <grobian@gentoo.org> (2014-01-14)
 # util-linux has no business on Darwin systems
 sys-apps/util-linux
 
-# Fabian Groffen <grobian@gentoo.org> (19 Feb 2012)
+# Fabian Groffen <grobian@gentoo.org> (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@gentoo.org> (30 Dec 2011)
+# Fabian Groffen <grobian@gentoo.org> (2011-12-30)
 # Does not support Darwin, http://mj.ucw.cz/pciutils.html
 sys-apps/pciutils
 
-# Fabian Groffen <grobian@gentoo.org> (21 Apr 2010)
+# Fabian Groffen <grobian@gentoo.org> (2010-04-21)
 # state of mesa is probably not too good on OSX, opengl-apple is
 # preferred
 media-libs/mesa
 
-# Elias Pipping <pipping@gentoo.org> (09 Oct 2007)
+# Elias Pipping <pipping@gentoo.org> (2007-10-09)
 # darwin-miscutils are only available on darwin
 -sys-apps/darwin-miscutils
 
-# Fabian Groffen <grobian@gentoo.org> (21 Jan 2007)
+# Fabian Groffen <grobian@gentoo.org> (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 5c1cfd747f90..8cf6f41b0078 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@gentoo.org> (06 Apr 2016)
+# Fabian Groffen <grobian@gentoo.org> (2016-04-06)
 # dev-libs/re2 needs love, bug #563932
 app-misc/sphinx re2
 
-# Fabian Groffen <grobian@gentoo.org> (10 Jan 2016)
+# Fabian Groffen <grobian@gentoo.org> (2016-01-10)
 # libutempter isn't ported for Darwin, bug #506494
 net-misc/mosh utempter
 
-# Fabian Groffen <grobian@gentoo.org> (26 May 2015)
+# Fabian Groffen <grobian@gentoo.org> (2015-05-26)
 # Avoid pulling in broken and unnecessary ossp-uuid, bug #324527
 dev-db/postgresql uuid
 
-# Christoph Junghans <junghans@gentoo.org> (26 Aug 2012)
+# Christoph Junghans <junghans@gentoo.org> (2012-08-26)
 # libutempter support does not work on Darwin (bug #388791)
 x11-terms/eterm utempter
 
-# Fabian Groffen <grobian@gentoo.org> (24 Mar 2012)
+# Fabian Groffen <grobian@gentoo.org> (2012-03-24)
 # There's no upstream support for MPI on Darwin
 media-gfx/tachyon mpi
 
-# Fabian Groffen <grobian@gentoo.org> (01 Jan 2012)
+# Fabian Groffen <grobian@gentoo.org> (2012-01-01)
 # gdb server is not supported on this platform
 sys-devel/gdb server
 
-# Fabian Groffen <grobian@gentoo.org> (08 Jan 2011)
+# Fabian Groffen <grobian@gentoo.org> (2011-01-08)
 # Darwin has libuuid from util-linux
 x11-libs/libSM -uuid
 
-# Fabian Groffen <grobian@gentoo.org> (30 Oct 2009)
+# Fabian Groffen <grobian@gentoo.org> (2009-10-30)
 # linux only
 media-video/mplayer dvb lirc jack joystick
 
-# Elias Pipping <pipping@gentoo.org> (16 Nov 2007)
+# Elias Pipping <pipping@gentoo.org> (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 01d39d236ab9..22be1cd833fb 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 4e2672bc1ceb..22b9a93c7c80 100644
--- a/profiles/prefix/linux/make.defaults
+++ b/profiles/prefix/linux/make.defaults
@@ -5,12 +5,12 @@
 ELIBC="glibc"
 KERNEL="linux"
 
-# Fabian Groffen <grobian@gentoo.org> (13 Sep 2017)
+# Fabian Groffen <grobian@gentoo.org> (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@gentoo.org>
+# Luca Barbato <lu_zero@gentoo.org> (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@gentoo.org>
+# Doug Goldstein <cardoe@gentoo.org> (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@gentoo.org>
+# Fabian Groffen <grobian@gentoo.org> (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 b13eb34a5206..4a1b653891cd 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@gentoo.org> (08 Jan 2019)
+# Michael Haubenwallner <haubi@gentoo.org> (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 67fc3998519c..d578c64b9d89 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@gentoo.org> (02 May 2019)
+# Michael Haubenwallner <haubi@gentoo.org> (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 03831a79a58d..511343b0614d 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@gentoo.org> (19 Apr 2016)
+# Michael Haubenwallner <haubi@gentoo.org> (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 b4313ba599ca..993c1261aac1 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@gentoo.org> (18 Apr 2016)
+# Michael Haubenwallner <haubi@gentoo.org> (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 d0abe37cb88f..376e04bd3826 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@fairlite.co.uk> (11 Mar 2014)
+# Alan Hourihane <alanh@fairlite.co.uk> (2014-03-11)
 # plays havoc with GNU pth bug #503764
 dev-lang/tcl threads
 
-# Alan Hourihane <alanh@fairlite.co.uk> (30 Dec 2011)
+# Alan Hourihane <alanh@fairlite.co.uk> (2011-12-30)
 # xz-utils plays havoc with GNU pth
 app-arch/xz-utils threads
 
-# Alan Hourihane <alanh@fairlite.co.uk> (15 Dec 2011)
+# Alan Hourihane <alanh@fairlite.co.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 e7ab873478fd..a5b0d5ffa135 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@gentoo.org> (15 Apr 2017)
+# Fabian Groffen <grobian@gentoo.org> (2017-04-15)
 # reentrant patch breaks prefix option, bug #615560
 =sys-devel/flex-2.6.3-r1
 
-# Elias Pipping <pipping@gentoo.org> (09 Oct 2007)
+# Elias Pipping <pipping@gentoo.org> (2007-10-09)
 # darwin-miscutils are only available on darwin
 sys-apps/darwin-miscutils
 
-# Fabian Groffen <grobian@gentoo.org> (04 Apr 2007)
+# Fabian Groffen <grobian@gentoo.org> (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 454722cd311c..c101c1896932 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@gentoo.org> (02 May 2019)
+# Michael Haubenwallner <haubi@gentoo.org> (2019-05-02)
 # gold is linux only, and is required by cxx
 sys-devel/binutils cxx gold default-gold
 
-# Fabian Groffen <grobian@gentoo.org> (27 Dec 2018)
+# Fabian Groffen <grobian@gentoo.org> (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@gentoo.org> (29 Nov 2014)
+# Mikle Kolyada <zlogene@gentoo.org> (2014-11-29)
 # Masked because of lack of manpower/time (bug #497068)
 dev-vcs/git mediawiki mediawiki-experimental
 
-# Fabian Groffen <grobian@gentoo.org> (23 Oct 2010)
+# Fabian Groffen <grobian@gentoo.org> (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@gentoo.org> (17 Sep 2010)
+# Michael Haubenwallner <haubi@gentoo.org> (2010-09-17)
 # sys-apps/keyutils is a linux only package
 app-crypt/mit-krb5 keyutils
 
-# Michael Haubenwallner <haubi@gentoo.org> (30 Sep 2009)
+# Michael Haubenwallner <haubi@gentoo.org> (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 5fcc8b468e5a..416b754cad05 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@gentoo.org> (22 Aug 2017)
+# Fabian Groffen <grobian@gentoo.org> (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 475bf85e8d67..9189887a4996 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@gentoo.org> (30 Mar 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 ef497cea65e1..20d65461b562 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@gentoo.org> (26 Aug 2008)
+# Jeremy Olexa <darkside@gentoo.org> (2008-08-26)
 # Requires that pthread.h defines pthread_atfork() but it doesn't on Solaris 9
 # SPARC.
 dev-libs/nss
 
-# Jeremy Olexa <darkside@gentoo.org> (26 Aug 2008)
+# Jeremy Olexa <darkside@gentoo.org> (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 149d54951df3..19ae00c853ea 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@gentoo.org> (16 Nov 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 5fcc8b468e5a..416b754cad05 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@gentoo.org> (22 Aug 2017)
+# Fabian Groffen <grobian@gentoo.org> (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 677bc3ba12eb..61c3da4d562d 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@gentoo.org> (30 Dec 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 64d9694254be..f54109ff2fab 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@gentoo.org> (16 Nov 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 677bc3ba12eb..61c3da4d562d 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@gentoo.org> (30 Dec 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 3772a96cb28d..ed7dd10d56f5 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@gentoo.org> (16 Nov 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 8d8dd0a834cc..927f9bdcd322 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@gentoo.org> (22 Mar 2019)
+# Fabian Groffen <grobian@gentoo.org> (2019-03-22)
 # fails to compile, bug #681316
 =app-crypt/gnupg-2.2.14
 
-# Fabian Groffen <grobian@gentoo.org> (12 Nov 2018)
+# Fabian Groffen <grobian@gentoo.org> (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@gentoo.org> (14 Jan 2014)
+# Fabian Groffen <grobian@gentoo.org> (2014-01-14)
 # util-linux has no business on Solaris systems
 sys-apps/util-linux
 
-# Fabian Groffen <grobian@gentoo.org> (09 May 2012)
+# Fabian Groffen <grobian@gentoo.org> (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@gentoo.org> (25 Aug 2011)
+# Fabian Groffen <grobian@gentoo.org> (2011-08-25)
 # Fails to compile, and not worth fixing, bug #379723
 =sys-devel/gcc-4.3.6*
 
-# Fabian Groffen <grobian@gentoo.org> (29 Nov 2009)
+# Fabian Groffen <grobian@gentoo.org> (2009-11-29)
 # segfaults during compilation, bug #294479
 =virtual/emacs-23
 
-# Fabian Groffen <grobian@gentoo.org> (21 Jan 2007)
+# Fabian Groffen <grobian@gentoo.org> (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 5ee4cddbd364..163960e6b988 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@gentoo.org> (12 Dec 2018)
+# Fabian Groffen <grobian@gentoo.org> (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 ae3b08d0d6aa..aef1443834a0 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@gentoo.org> (08 Dec 2011)
+# Fabian Groffen <grobian@gentoo.org> (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 777a5175687a..9461b0780707 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@gentoo.org> (15 Apr 2019)
+# Fabian Groffen <grobian@gentoo.org> (2019-04-15)
 # chg client fails to compile, bug #683374
 dev-vcs/mercurial chg
 
-# Fabian Groffen <grobian@gentoo.org> (06 Apr 2016)
+# Fabian Groffen <grobian@gentoo.org> (2016-04-06)
 # dev-libs/re2 needs love, bug #563932
 app-misc/sphinx re2
 
-# Fabian Groffen <grobian@gentoo.org> (26 May 2015)
+# Fabian Groffen <grobian@gentoo.org> (2015-05-26)
 # Avoid pulling in broken and unnecessary ossp-uuid, bug #324527
 dev-db/postgresql uuid
 
-# Fabian Groffen <grobian@gentoo.org> (08 Dec 2011)
+# Fabian Groffen <grobian@gentoo.org> (2011-12-08)
 # Unmask libssp, Solaris' libc doesn't have stack protection symbols
 sys-devel/gcc -libssp
 
-# Fabian Groffen <grobian@gentoo.org> (05 Sep 2011)
+# Fabian Groffen <grobian@gentoo.org> (2011-09-05)
 # gir tries to link c++ code using gcc and obviously fails
 app-text/poppler introspection
 
-# Fabian Groffen <grobian@gentoo.org> (24 Apr 2011)
+# Fabian Groffen <grobian@gentoo.org> (2011-04-24)
 # kms seems linux only, bug #319285
 x11-libs/libdrm libkms
 
-# Jeremy Olexa <darkside@gentoo.org> (03 Dec 2008)
+# Jeremy Olexa <darkside@gentoo.org> (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 0d8717df7297..6346ec770537 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@gentoo.org> (29 Dec 2018)
+# Fabian Groffen <grobian@gentoo.org> (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@gentoo.org> (21 Jun 2018)
+# Michael Haubenwallner <haubi@gentoo.org> (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 e972e51406f0..e6c0467b90ae 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@gentoo.org> (07 Jun 2019)
+# Michael Haubenwallner <haubi@gentoo.org> (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@gentoo.org> (07 Jun 2019)
+# Michael Haubenwallner <haubi@gentoo.org> (2019-06-07)
 # Cygwin does not provide this new version yet in it's repo.
 >=sys-devel/gcc-8.4
 
-# Michael Haubenwallner <haubi@gentoo.org> (13 Feb 2019)
+# Michael Haubenwallner <haubi@gentoo.org> (2019-02-13)
 # see upstream report https://savannah.gnu.org/bugs/index.php?55708
 =sys-apps/groff-1.22.4
 
-# Michael Haubenwallner <haubi@gentoo.org> (30 Jan 2019)
+# Michael Haubenwallner <haubi@gentoo.org> (2019-01-30)
 # Cygwin does not have updated patches yet, is not trivial
 >=sys-apps/coreutils-8.30
 
-# Michael Haubenwallner <haubi@gentoo.org> (20 May 2016)
+# Michael Haubenwallner <haubi@gentoo.org> (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 f385520e77e0..a6462b66876e 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@gentoo.org> (13 Feb 2019)
+# Michael Haubenwallner <haubi@gentoo.org> (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 e84dda26175c..e42eadac8934 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@gentoo.org> (14 May 2018)
+# Michael Haubenwallner <haubi@gentoo.org> (2018-05-14)
 # stack protector does not fully work on Cygwin yet
 sys-devel/gcc -ssp
 
-# Michael Haubenwallner <haubi@gentoo.org> (23 Mar 2017)
+# Michael Haubenwallner <haubi@gentoo.org> (2017-03-23)
 # Using nettle hides a conflict between wincrypt and openssl.
 app-arch/libarchive nettle
 
-# Michael Haubenwallner <haubi@gentoo.org> (18 Apr 2016)
+# Michael Haubenwallner <haubi@gentoo.org> (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 d83ee31002e4..ddb46a9cba64 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@gentoo.org> (19 May 2016)
+# Michael Haubenwallner <haubi@gentoo.org> (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 c42d3466be6f..9a3ad8f5b82c 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@gentoo.org> (02 Oct 2017)
+# Michael Haubenwallner <haubi@gentoo.org> (2017-10-02)
 # requires nasm, which is hard to use via parity atm
 dev-libs/openssl asm
 dev-libs/openssl-compat asm