stddef: fix NetBSD 5.0 NULL bug, rather than working around it

[gnulib.git] / doc / posix-headers / wchar.texi

diff --git a/doc/posix-headers/wchar.texi b/doc/posix-headers/wchar.texi
index bdd8232..b797b6b 100644 (file)
--- a/doc/posix-headers/wchar.texi
+++ b/doc/posix-headers/wchar.texi
@@ -16,6 +16,11 @@ 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: