Add reference to POSIX.

[pspp] / doc / headers / wchar.texi

diff --git a/doc/headers/wchar.texi b/doc/headers/wchar.texi
index 7d8d4ef477471a034a84ee9df4cf7c76d3e2fd14..a9175b3d742df48e9170d6731e9ee5e37e14ee5b 100644 (file)
--- a/doc/headers/wchar.texi
+++ b/doc/headers/wchar.texi
@@ -1,6 +1,8 @@
 @node wchar.h
 @section @file{wchar.h}
 
+POSIX specification: @url{http://www.opengroup.org/susv3xbd/wchar.h.html}
+
 Gnulib module: wchar
 
 Portability problems fixed by Gnulib: