Add reference to POSIX.

[pspp] / doc / headers / spawn.texi

diff --git a/doc/headers/spawn.texi b/doc/headers/spawn.texi
index 3deaf6ce26b4ab1629a028e475a6fcd3fdfab635..5174ce407ee2f67677f4b9ea1e522bb84e06d69e 100644 (file)
--- a/doc/headers/spawn.texi
+++ b/doc/headers/spawn.texi
@@ -1,6 +1,8 @@
 @node spawn.h
 @section @file{spawn.h}
 
+POSIX specification: @url{http://www.opengroup.org/susv3xbd/spawn.h.html}
+
 Gnulib module: ---
 
 Portability problems fixed by Gnulib: