X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=doc%2Fposix-headers%2Fwchar.texi;h=3a34a2f9485c4a11b172f9118881d5c3487ad775;hb=90735e334e89048c011e5f01eca366f1118bb640;hp=bdd8232d4cf9d6e3341aec5c24a3339695a7a091;hpb=3cb753d3f0109c172d5c5e9c595b287b034bd577;p=gnulib.git

diff --git a/doc/posix-headers/wchar.texi b/doc/posix-headers/wchar.texi
index bdd8232d4..3a34a2f94 100644
--- a/doc/posix-headers/wchar.texi
+++ b/doc/posix-headers/wchar.texi
@@ -16,8 +16,18 @@ OSF/1 with Desktop Toolkit C, BSD/OS 4.0.1.
 @item
 The type @code{wint_t} and macro @code{WEOF} are missing on some platforms:
 IRIX 5.3.
+
+@item
+Some platforms provide a @code{NULL} macro that cannot be used in arbitrary
+expressions:
+NetBSD 5.0
 @end itemize
 
 Portability problems not fixed by Gnulib:
 @itemize
+@item
+This header file leads to link errors and endless recursions or endless loops
+on some platforms:
+glibc version 2.5 or older, together with gcc version 4.3 or newer and the
+option @samp{-std=c99} or @samp{-std=gnu99}.
 @end itemize