Add reference to POSIX.

[pspp] / doc / headers / pthread.texi

diff --git a/doc/headers/pthread.texi b/doc/headers/pthread.texi
index 6d240cd059d26609d793d84b2fd7b726ec42403d..facab7a86ab0bf7677ac6faf950419116a8c5d2a 100644 (file)
--- a/doc/headers/pthread.texi
+++ b/doc/headers/pthread.texi
@@ -1,6 +1,8 @@
 @node pthread.h
 @section @file{pthread.h}
 
+POSIX specification: @url{http://www.opengroup.org/susv3xbd/pthread.h.html}
+
 Gnulib module: ---
 
 Portability problems fixed by Gnulib: