doc: mention more functions added in cygwin 1.7.0

[pspp] / doc / posix-headers / wchar.texi

diff --git a/doc/posix-headers/wchar.texi b/doc/posix-headers/wchar.texi
index bdd8232d4cf9d6e3341aec5c24a3339695a7a091..b797b6b8f78933c3798e0fe2c69caaec8dd950a4 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: