Add reference to POSIX.

[pspp] / doc / headers / cpio.texi

diff --git a/doc/headers/cpio.texi b/doc/headers/cpio.texi
index 7a1b5e182650e12c138909c9284dd1890c23e8d5..de57e6c92a0d450f2f4ff966344f856e317ebf38 100644 (file)
--- a/doc/headers/cpio.texi
+++ b/doc/headers/cpio.texi
@@ -1,6 +1,8 @@
 @node cpio.h
 @section @file{cpio.h}
 
+POSIX specification: @url{http://www.opengroup.org/susv3xbd/cpio.h.html}
+
 Gnulib module: ---
 
 Portability problems fixed by Gnulib: