$OpenBSD: patch-doc_examples_ginac-examples_texi,v 1.1 2008/10/29 16:26:14 pirofti Exp $
--- doc/examples/ginac-examples.texi.orig	Sat Oct 25 16:08:33 2008
+++ doc/examples/ginac-examples.texi	Sat Oct 25 16:08:56 2008
@@ -15,6 +15,11 @@
 @node Top
 @end ifnottex
 
+@dircategory Mathematics
+@direntry
+* ginac-examples: (ginac-examples).                   C++ library for symbolic computation.
+@end direntry
+
 @finalout
 @c finalout prevents ugly black rectangles on overfull hbox lines
 
