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-rw-r--r--lib/span.el18
1 files changed, 13 insertions, 5 deletions
diff --git a/lib/span.el b/lib/span.el
index f1379616..2252d605 100644
--- a/lib/span.el
+++ b/lib/span.el
@@ -1,12 +1,19 @@
;;; span.el --- Datatype of "spans" for Proof General
-;;
-;; Copyright (C) 1998-2009 LFCS 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: Healfdene Goguen
;; Maintainer: David Aspinall <David.Aspinall@ed.ac.uk>
+
;; License: GPL (GNU GENERAL PUBLIC LICENSE)
-;;
-;; $Id$
-;;
+
;;; Commentary:
;;
;; Spans are our abstraction of extents/overlays. Nowadays
@@ -16,6 +23,7 @@
;;
;;; Code:
+
(eval-when-compile (require 'cl)) ;For lexical-let.
(defalias 'span-start 'overlay-start)