Add reference to POSIX.

[pspp] / doc / headers / string.texi

diff --git a/doc/headers/string.texi b/doc/headers/string.texi
index edc55fc2a471160a795a3ce95d73d7955f67a6be..42f67b90b6628cf911ff5c841319a6e176713738 100644 (file)
--- a/doc/headers/string.texi
+++ b/doc/headers/string.texi
@@ -1,6 +1,8 @@
 @node string.h
 @section @file{string.h}
 
+POSIX specification: @url{http://www.opengroup.org/susv3xbd/string.h.html}
+
 Gnulib module: string
 
 Portability problems fixed by Gnulib: