lightning-info.patch

--- lightning-2.0.0/doc/lightning.texi.orig	2013-01-24 22:07:51.000000000 +0100
+++ lightning-2.0.0/doc/lightning.texi	2013-08-28 17:30:55.808994221 +0200
@@ -3,6 +3,11 @@
 
 @setfilename lightning.info
 
+@dircategory Libraries:
+@direntry
+* GNU lightning: (lightning).		A library for dynamic code generation
+@end direntry
+
 @set TITLE       Using @sc{gnu} @i{lightning}
 @set TOPIC       installing and using