From c9acd49dd2e70c0a961ffc1752eb92b3e3078e9f Mon Sep 17 00:00:00 2001
From: Kenichi Handa <handa@m17n.org>
Date: Wed, 24 Jun 2009 13:02:50 +0000
Subject: [PATCH] For the UNICODE format files, do reverse sort and don't
 compact the map.  This is to prefer the first one in the duplicated mappings
 (e.g. 0x20->U+0020, 0x20->U+00A0).

---
 admin/charsets/mapconv | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/admin/charsets/mapconv b/admin/charsets/mapconv
index 1913449f898..64c0772af52 100755
--- a/admin/charsets/mapconv
+++ b/admin/charsets/mapconv
@@ -30,7 +30,7 @@
 #   $1: source map file
 #   $2: address pattern for sed (optionally with substitution command)
 #   $3: format of source map file
-#	GLIBC-1 GLIBC-2 GLIBC-2-7 CZYBORRA IANA UNICODE YASUOKA
+#	GLIBC-1 GLIBC-2 GLIBC-2-7 CZYBORRA IANA UNICODE UNICODE2 YASUOKA
 #   $4: awk script
 
 FILE="admin/charsets/$1"
@@ -115,9 +115,11 @@ elif [ "$3" = "IANA" ] ; then
 elif [ "$3" = "UNICODE" ] ; then
     # Source format is:
     #   YYYY	XX
+    # We perform reverse sort to prefer the first one in the
+    # duplicated mappings (e.g. 0x20->U+0020, 0x20->U+00A0).
     zcat $1 | sed -n -e "$2 p" \
 	| sed -e 's/\([0-9A-F]*\)[^0-9A-F]*\([0-9A-F]*\).*/0x\2 0x\1/' \
-	| sort | ${AWKPROG}
+	| sort -r
 elif [ "$3" = "UNICODE2" ] ; then
     # Source format is:
     #   0xXXXX	0xYYYY	# ...
-- 
2.39.2