--- elisp-orig/elisp.texi
+++ elisp/elisp.texi
@@ -1,8 +1,13 @@
 \input texinfo  @c -*-texinfo-*-
 @c %**start of header
-@setfilename elisp
+@setfilename elisp18.info
 @settitle GNU Emacs Lisp Reference Manual
 @c %**end of header
 
+@dircategory Emacs
+@direntry
+* Elisp 18: (elisp18).	The Emacs Lisp Reference Manual for Emacs 18.
+@end direntry
+
 @c ================================================================
 @c THIS file has the new style title page commands.