--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/comment.el	Thu Jul 07 16:37:05 1994 +0000
@@ -0,0 +1,89 @@
+;;; -*- Emacs-Lisp -*-
+;;; comment/uncomment region for emacs.
+;;; comment.el rev.0.0
+;;; (c ) 1992 by Hirose Yuuji.(yuuji@ae.keio.ac.jp)
+;;; Last modified Sat Jan 29 16:55:22 1994 on gloria
+
+(provide 'comment)
+
+(defvar current-comment-prefix "> "
+  "default prefix string")
+
+(defun cite-region nil
+  (save-excursion
+    (if (< (point) (mark)) (exchange-point-and-mark))
+    (if (bolp)
+	(forward-line -1))
+    (if (string= string "") (setq string current-comment-prefix)
+      (setq current-comment-prefix string))
+    (save-restriction 
+      (narrow-to-region (point) (mark))
+      (goto-char (point-min))
+      (while (re-search-forward "^" nil t)
+	(message "%s" string)
+	(replace-match string))
+      ))
+)
+
+(defun comment-region (string &optional once)
+  "Inserts STRING at the beginning of every line in the region.
+Called interactively, STRING defaults to comment-start (or '> ' if
+none is defined) unless a prefix argument is given, in which case it
+prompts for a string.  Optional second argument ONCE is only for
+compatibility for uncomment-region.  It has no means now."
+  (interactive
+   (list (if current-prefix-arg
+	     (read-string 
+	      (concat "String to insert"
+		      (format "(default \"%s\")" current-comment-prefix
+			      " ")
+		      ": "))
+	   current-comment-prefix
+	   )))
+  (if (not (stringp string)) (setq string current-comment-prefix))
+  (cite-region)
+)
+
+
+(defun uncomment-region (string &optional once)
+  "Deletes STRING from the beginning of every line in the region.
+Called interactively, STRING defaults to comment-start (or '> ' if
+none is defined) unless a prefix argument is given, in which case it
+prompts for a string.  Optional second argument ONCE restricts
+deletion to first occurance of STRING on each line."
+  (interactive
+   (list (if current-prefix-arg
+	     (read-string 
+	      (concat "String to delete"
+		      (format "(default \"%s\")" current-comment-prefix
+			      " ")
+		      ": "))
+	   current-comment-prefix
+	   )))
+  (if (not (stringp string)) (setq string current-comment-prefix))
+  (save-excursion
+    (if (< (point) (mark)) (exchange-point-and-mark))
+;    (if (bolp)
+;         (forward-line -1))
+    (save-restriction 
+      (narrow-to-region (point) (mark))
+      (goto-char (point-min))
+      (while (re-search-forward (concat "^" string) nil t)
+	(replace-match "")
+	(if once (end-of-line)))
+      ))
+)
+
+(defun cite-file (filename)
+  "insert the file with citation string."
+  (interactive "FCite-file: ")
+  (let*
+      ((string
+	(read-string
+	 (format "Citation string (default \"%s\"): " current-comment-prefix)
+	 ))
+       (ins-tail (car (cdr (insert-file-contents filename)))))
+    (save-excursion
+      (push-mark (+ (point) ins-tail))
+      (cite-region)))
+)