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-rw-r--r--lib/bufhist.el20
1 files changed, 15 insertions, 5 deletions
diff --git a/lib/bufhist.el b/lib/bufhist.el
index 3d6a123d..4c24ca42 100644
--- a/lib/bufhist.el
+++ b/lib/bufhist.el
@@ -1,16 +1,24 @@
;; bufhist.el --- keep read-only history of buffer contents for browsing
-;; Copyright (C) 2006, 2009 David Aspinall / University of Edinburgh
+;; This file is part of Proof General.
+
+;; Portions © Copyright 1994-2012 David Aspinall and University of Edinburgh
+;; Portions © Copyright 2003, 2012, 2014 Free Software Foundation, Inc.
+;; Portions © Copyright 2001-2017 Pierre Courtieu
+;; Portions © Copyright 2010, 2016 Erik Martin-Dorel
+;; Portions © Copyright 2011-2013, 2016-2017 Hendrik Tews
+;; Portions © Copyright 2015-2017 Clément Pit-Claudel
;; Author: David Aspinall <David.Aspinall@ed.ac.uk>
-;; License: GPL (GNU GENERAL PUBLIC LICENSE)
;; Keywords: tools
-;;
-;; $Id$
-;;
+
+;; License: GPL (GNU GENERAL PUBLIC LICENSE)
+
;; This file is distributed under the terms of the GNU General Public
;; License, Version 2. Find a copy of the GPL with your version of
;; GNU Emacs or Texinfo.
+
+;;; Commentary:
;;
;; This library implements a minor mode for which keeps a ring history of
;; buffer contents. Intended to be used for small buffers which are
@@ -29,6 +37,8 @@
;; - buttons are put at top of buffer but inserts happen before them
;;
+;;; Code:
+
(require 'ring)
(declare-function bufhist-ordinary-erase-buffer "bufhist")