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GNU C Library master sources branch master updated. glibc-2.23-38-g7e6eccb
- From: carlos at sourceware dot org
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- Date: 24 Feb 2016 19:32:18 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.23-38-g7e6eccb
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=7e6eccb5f611973038ad78c870ffcdd6af72c228
commit 7e6eccb5f611973038ad78c870ffcdd6af72c228
Author: Carlos O'Donell <carlos@systemhalted.org>
Date: Wed Feb 24 14:31:35 2016 -0500
GB 18030-2005: Document non-rountrip and PUA mappings (bug 19575).
diff --git a/ChangeLog b/ChangeLog
index ce9e24e..d83bf39 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2016-02-24 Carlos O'Donell <carlos@redhat.com>
+
+ [BZ #19575]
+ * localedata/charmaps/GB18030: Update comments regarding PAU to
+ non-PUA mappings.
+
2016-02-24 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/configure.ac (linux/fanotify.h): Do not
diff --git a/localedata/charmaps/GB18030 b/localedata/charmaps/GB18030
index 863a123..ad6728c 100644
--- a/localedata/charmaps/GB18030
+++ b/localedata/charmaps/GB18030
@@ -57234,6 +57234,22 @@ CHARMAP
<UE78A> /xa6/xbe <Private Use>
<UE78B> /xa6/xbf <Private Use>
<UE78C> /xa6/xc0 <Private Use>
+% The newest GB 18030-2005 standard still uses some private use area
+% code points. Any implementation which has Unicode 4.1 or newer
+% support should not use these PUA code points, and instead should
+% map these entries to their equivalent non-PUA code points. There
+% are 24 idiograms in GB 18030-2005 which have non-PUA equivalents.
+% In glibc we only support roundtrip code points, and so must choose
+% between supporting the old PUA code points, or using the newer
+% non-PUA code points. We choose to use the non-PUA code points to
+% be compatible with ICU's similar choice. In choosing the non-PUA
+% code points we can no longer convert the old PUA code points back
+% to GB-18030-2005 (technically only fixable if we added support
+% for non-roundtrip code points e.g. ICU's "fallback mapping").
+% The recommendation to use the non-PUA code points, where available,
+% is based on "CJKV Information Processing" 2nd Ed. by Dr. Ken Lunde.
+%
+% These 10 PUA mappings use equivalents from <UFE10> to <UFE19>.
% <UE78D> /xa6/xd9 <Private Use>
% <UE78E> /xa6/xda <Private Use>
% <UE78F> /xa6/xdb <Private Use>
@@ -57371,6 +57387,7 @@ CHARMAP
<UE813> /xd7/xfd <Private Use>
<UE814> /xd7/xfe <Private Use>
<UE815> /x83/x36/xc9/x34 <Private Use>
+% These 3 PUA mappings use equivalents <U20087>, <U20089> and <U200CC>.
% <UE816> /xfe/x51 <Private Use>
% <UE817> /xfe/x52 <Private Use>
% <UE818> /xfe/x53 <Private Use>
@@ -57379,6 +57396,7 @@ CHARMAP
<UE81B> /x83/x36/xc9/x37 <Private Use>
<UE81C> /x83/x36/xc9/x38 <Private Use>
<UE81D> /x83/x36/xc9/x39 <Private Use>
+% This 1 PUA mapping uses the equivalent <U9FB4>.
% <UE81E> /xfe/x59 <Private Use>
<UE81F> /x83/x36/xca/x30 <Private Use>
<UE820> /x83/x36/xca/x31 <Private Use>
@@ -57387,17 +57405,20 @@ CHARMAP
<UE823> /x83/x36/xca/x34 <Private Use>
<UE824> /x83/x36/xca/x35 <Private Use>
<UE825> /x83/x36/xca/x36 <Private Use>
+% This 1 PUA mapping uses the equivalent <U9FB5>.
% <UE826> /xfe/x61 <Private Use>
<UE827> /x83/x36/xca/x37 <Private Use>
<UE828> /x83/x36/xca/x38 <Private Use>
<UE829> /x83/x36/xca/x39 <Private Use>
<UE82A> /x83/x36/xcb/x30 <Private Use>
+% These 2 PUA mappings use the equivalents <U9FB6> and <U9FB7>.
% <UE82B> /xfe/x66 <Private Use>
% <UE82C> /xfe/x67 <Private Use>
<UE82D> /x83/x36/xcb/x31 <Private Use>
<UE82E> /x83/x36/xcb/x32 <Private Use>
<UE82F> /x83/x36/xcb/x33 <Private Use>
<UE830> /x83/x36/xcb/x34 <Private Use>
+% These 2 PUA mappings use the equivalents <U215D7> and <U9FB8>.
% <UE831> /xfe/x6c <Private Use>
% <UE832> /xfe/x6d <Private Use>
<UE833> /x83/x36/xcb/x35 <Private Use>
@@ -57408,6 +57429,7 @@ CHARMAP
<UE838> /x83/x36/xcc/x30 <Private Use>
<UE839> /x83/x36/xcc/x31 <Private Use>
<UE83A> /x83/x36/xcc/x32 <Private Use>
+% This 1 PUA mapping uses the equivalent <U2298F>.
% <UE83B> /xfe/x76 <Private Use>
<UE83C> /x83/x36/xcc/x33 <Private Use>
<UE83D> /x83/x36/xcc/x34 <Private Use>
@@ -57416,6 +57438,7 @@ CHARMAP
<UE840> /x83/x36/xcc/x37 <Private Use>
<UE841> /x83/x36/xcc/x38 <Private Use>
<UE842> /x83/x36/xcc/x39 <Private Use>
+% This 1 PUA mapping uses the equivalent <U9FB9>.
% <UE843> /xfe/x7e <Private Use>
<UE844> /x83/x36/xcd/x30 <Private Use>
<UE845> /x83/x36/xcd/x31 <Private Use>
@@ -57433,6 +57456,7 @@ CHARMAP
<UE851> /x83/x36/xce/x33 <Private Use>
<UE852> /x83/x36/xce/x34 <Private Use>
<UE853> /x83/x36/xce/x35 <Private Use>
+% These 2 PUA mappings use the equivalents <U9FBA> and <U241FE>.
% <UE854> /xfe/x90 <Private Use>
% <UE855> /xfe/x91 <Private Use>
<UE856> /x83/x36/xce/x36 <Private Use>
@@ -57449,6 +57473,7 @@ CHARMAP
<UE861> /x83/x36/xcf/x37 <Private Use>
<UE862> /x83/x36/xcf/x38 <Private Use>
<UE863> /x83/x36/xcf/x39 <Private Use>
+% This 1 PUA mapping uses the equivalent <U9FBB>.
% <UE864> /xfe/xa0 <Private Use>
<UE865> /x83/x36/xd0/x30 <Private Use>
<UE866> /x83/x36/xd0/x31 <Private Use>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
localedata/charmaps/GB18030 | 25 +++++++++++++++++++++++++
2 files changed, 31 insertions(+), 0 deletions(-)
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