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changeset 9382:f31fd684022b

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Replace wcwidth also if it fails on U+200B (ZERO WIDTH SPACE).
author Bruno Haible <bruno@clisp.org>
date Sun, 21 Oct 2007 21:36:37 +0200
parents cf9dbdc58818
children 8234757e613a
files ChangeLog m4/wcwidth.m4
diffstat 2 files changed, 8 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-10-21  Bruno Haible  <bruno@clisp.org>
+
+	* m4/wcwidth.m4 (gl_FUNC_WCWIDTH): Check also the width of U+200B.
+	Needed on OSF/1 5.1.
+
 2007-10-21  Bruno Haible  <bruno@clisp.org>
 
 	* tests/test-floorf1.c: Include isnanf.h.
--- a/m4/wcwidth.m4
+++ b/m4/wcwidth.m4
@@ -1,4 +1,4 @@
-# wcwidth.m4 serial 12
+# wcwidth.m4 serial 13
 dnl Copyright (C) 2006, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -37,6 +37,7 @@
     REPLACE_WCWIDTH=1
   else
     dnl On MacOS X 10.3, wcwidth(0x0301) (COMBINING ACUTE ACCENT) returns 1.
+    dnl On OSF/1 5.1, wcwidth(0x200B) (ZERO WIDTH SPACE) returns 1.
     dnl This leads to bugs in 'ls' (coreutils).
     AC_CACHE_CHECK([whether wcwidth works reasonably in UTF-8 locales],
       [gl_cv_func_wcwidth_works],
@@ -63,7 +64,7 @@
 int main ()
 {
   if (setlocale (LC_ALL, "fr_FR.UTF-8") != NULL)
-    if (wcwidth (0x0301) > 0)
+    if (wcwidth (0x0301) > 0 || wcwidth (0x200B) > 0)
       return 1;
   return 0;
 }], [gl_cv_func_wcwidth_works=yes], [gl_cv_func_wcwidth_works=no],