Add reference to POSIX.

[pspp] / doc / headers / poll.texi

diff --git a/doc/headers/poll.texi b/doc/headers/poll.texi
index 1a5310953f8f6c751237c1de3c492b979449b200..dd88ff386b827107fdaa3b53ffeb2eaf123f4976 100644 (file)
--- a/doc/headers/poll.texi
+++ b/doc/headers/poll.texi
@@ -1,6 +1,8 @@
 @node poll.h
 @section @file{poll.h}
 
+POSIX specification: @url{http://www.opengroup.org/susv3xbd/poll.h.html}
+
 Gnulib module: poll
 
 Portability problems fixed by Gnulib: