Add reference to POSIX.

[pspp] / doc / headers / aio.texi

diff --git a/doc/headers/aio.texi b/doc/headers/aio.texi
index f2e7b03683fce41f339f6b28aad3bd8c3cec2ed5..895a54f5347bc4bc0a3b5be9bbdc87dfc1ca4ccf 100644 (file)
--- a/doc/headers/aio.texi
+++ b/doc/headers/aio.texi
@@ -1,6 +1,8 @@
 @node aio.h
 @section @file{aio.h}
 
+POSIX specification: @url{http://www.opengroup.org/susv3xbd/aio.h.html}
+
 Gnulib module: ---
 
 Portability problems fixed by Gnulib: