Add reference to POSIX.

[pspp] / doc / headers / tar.texi

diff --git a/doc/headers/tar.texi b/doc/headers/tar.texi
index 7eee604bcc4fcba0b961dc87f3516b4d2c2c6ab6..5c11eb42b637b9fd07edac5456d5ba06310363b9 100644 (file)
--- a/doc/headers/tar.texi
+++ b/doc/headers/tar.texi
@@ -1,6 +1,8 @@
 @node tar.h
 @section @file{tar.h}
 
+POSIX specification: @url{http://www.opengroup.org/susv3xbd/tar.h.html}
+
 Gnulib module: ---
 
 Portability problems fixed by Gnulib: