Add reference to POSIX.

[pspp] / doc / headers / stddef.texi

diff --git a/doc/headers/stddef.texi b/doc/headers/stddef.texi
index 0c39d8190867d1e236e8e014b3894496a2c3e0c6..df28e0fb797f56fdb7f984e7f716de08c828d898 100644 (file)
--- a/doc/headers/stddef.texi
+++ b/doc/headers/stddef.texi
@@ -1,6 +1,8 @@
 @node stddef.h
 @section @file{stddef.h}
 
+POSIX specification: @url{http://www.opengroup.org/susv3xbd/stddef.h.html}
+
 Gnulib module: ---
 
 Portability problems fixed by Gnulib: