regex_internal.h: define __attribute_warn_unused_result__

[gnulib.git] / doc / posix-functions / iswblank.texi

diff --git a/doc/posix-functions/iswblank.texi b/doc/posix-functions/iswblank.texi
index 9ea0d91..e8ea1be 100644 (file)
--- a/doc/posix-functions/iswblank.texi
+++ b/doc/posix-functions/iswblank.texi
@@ -2,12 +2,15 @@
 @section @code{iswblank}
 @findex iswblank
 
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/iswblank.html}
+POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/iswblank.html}
 
-Gnulib module: ---
+Gnulib module: wctype
 
 Portability problems fixed by Gnulib:
 @itemize
+@item
+This function returns 0 for all possible arguments on some platforms:
+Linux libc5.
 @end itemize
 
 Portability problems not fixed by Gnulib:
@@ -16,6 +19,6 @@ Portability problems not fixed by Gnulib:
 This function is missing on some platforms:
 AIX 4.3.2, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw.
 @item
-On Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
+On AIX and Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
 accommodate all Unicode characters.
 @end itemize