From 4e0c2a00cfbb7ea5c5ab68573bfb0edb78e8bd6f Mon Sep 17 00:00:00 2001
From: Erik Martin-Dorel <erik@martin-dorel.org>
Date: Sat, 12 Aug 2017 13:48:08 +0200
Subject: Update copyright messages and improve the header of elisp files.

---
 lib/span.el | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

(limited to 'lib/span.el')

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)
-- 
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