Add reference to POSIX.

[pspp] / doc / headers / wctype.texi

diff --git a/doc/headers/wctype.texi b/doc/headers/wctype.texi
index 66a244411c5d8845cf2ffd1ef5a01ac25e8a62c9..24e1be1617e01d5a4272059ef3622c43162022b7 100644 (file)
--- a/doc/headers/wctype.texi
+++ b/doc/headers/wctype.texi
@@ -1,6 +1,8 @@
 @node wctype.h
 @section @file{wctype.h}
 
+POSIX specification: @url{http://www.opengroup.org/susv3xbd/wctype.h.html}
+
 Gnulib module: wctype
 
 Portability problems fixed by Gnulib: