From 08f54a2383c15d58a50a83edfb13132f376775a1 Mon Sep 17 00:00:00 2001
From: yamaoka <yamaoka>
Date: Wed, 24 Feb 1999 08:57:20 +0000
Subject: [PATCH] * (dgnushack-add-info-suffix-maybe): New function. It will
 be used for adding ".info" suffix to @setfilename line in
 each .texi files. (dgnushack-texi-file-regexp): New
 constant. (dgnushack-info-file-regexp): Add ".info" suffix.

---
 lisp/dgnushack.el |   21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/lisp/dgnushack.el b/lisp/dgnushack.el
index 11a7fa9..7057e62 100644
--- a/lisp/dgnushack.el
+++ b/lisp/dgnushack.el
@@ -97,7 +97,10 @@ Modify to suit your needs."))
 (defvar package-path)
 
 (defconst dgnushack-info-file-regexp
-  "^\\(gnus\\|message\\|gnus-ja\\|message-ja\\)\\(-[0-9]+\\)?$")
+  "^\\(gnus\\|message\\|gnus-ja\\|message-ja\\)\\.info\\(-[0-9]+\\)?$")
+
+(defconst dgnushack-texi-file-regexp
+  "^\\(gnus\\|message\\|gnus-ja\\|message-ja\\)\\.texi$")
 
 (defun dgnushack-make-package ()
   (require 'gnus)
@@ -190,4 +193,20 @@ Modify to suit your needs."))
 
     (message "Done")))
 
+(defun dgnushack-add-info-suffix-maybe ()
+  ;; This function must be invoked from texi directory.
+  (let ((coding-system-for-read 'raw-text)
+	(coding-system-for-write 'raw-text)
+	(files (directory-files "." nil dgnushack-texi-file-regexp))
+	file make-backup-files)
+    (while (setq file (pop files))
+      (find-file file)
+      (when (and (re-search-forward
+		  "^@setfilename[\t ]+\\([^\t\n ]+\\)" nil t)
+		 (not (string-match "\\.info$" (match-string 1))))
+	(copy-file file (concat file "_") nil t)
+	(insert ".info")
+	(save-buffer))
+      (kill-buffer (current-buffer)))))
+
 ;;; dgnushack.el ends here
-- 
1.7.10.4