Added directory entry for info.

diff --git a/doc/examples/ginac-examples.texi b/doc/examples/ginac-examples.texi
index 8870dafb84a8fde391a5937067176b602774f84a..8d92056ed407aa17d689f74ab9dba4528512b3fb 100644 (file)
--- a/doc/examples/ginac-examples.texi
+++ b/doc/examples/ginac-examples.texi
@@ -15,6 +15,11 @@
 @node Top
 @end ifnottex
 
+@dircategory Mathematics
+@direntry
+* ginac-examples: (ginac).                   C++ library for symbolic computation.
+@end direntry
+
 @finalout
 @c finalout prevents ugly black rectangles on overfull hbox lines