diff --git a/contrib/hg-ssh b/contrib/hg-ssh
--- a/contrib/hg-ssh
+++ b/contrib/hg-ssh
@@ -6,7 +6,7 @@
 # Thomas Arendsen Hein <thomas@intevation.de>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 """
 hg-ssh - a wrapper for ssh access to a limited set of mercurial repos
diff --git a/contrib/mercurial.el b/contrib/mercurial.el
--- a/contrib/mercurial.el
+++ b/contrib/mercurial.el
@@ -5,8 +5,8 @@
 ;; Author: Bryan O'Sullivan <bos@serpentine.com>
 
 ;; mercurial.el is free software; you can redistribute it and/or
-;; modify it under the terms of version 2 of the GNU General Public
-;; License as published by the Free Software Foundation.
+;; modify it under the terms of the GNU General Public License or any
+;; later version.
 
 ;; mercurial.el is distributed in the hope that it will be useful, but
 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -784,7 +784,7 @@ Push changes                          G 
 (defun hg-help-overview ()
   "This is an overview of the Mercurial SCM mode for Emacs.
 
-You can find the source code, license (GPL v2), and credits for this
+You can find the source code, license (GPLv2+), and credits for this
 code by typing `M-x find-library mercurial RET'."
   (interactive)
   (hg-view-output ("Mercurial Help Overview")
diff --git a/contrib/mercurial.spec b/contrib/mercurial.spec
--- a/contrib/mercurial.spec
+++ b/contrib/mercurial.spec
@@ -2,7 +2,7 @@ Summary: Mercurial -- a distributed SCM
 Name: mercurial
 Version: snapshot
 Release: 0
-License: GPLv2
+License: GPLv2+
 Group: Development/Tools
 URL: http://mercurial.selenic.com/
 Source0: http://mercurial.selenic.com/release/%{name}-%{version}.tar.gz
diff --git a/contrib/mq.el b/contrib/mq.el
--- a/contrib/mq.el
+++ b/contrib/mq.el
@@ -5,8 +5,8 @@
 ;; Author: Bryan O'Sullivan <bos@serpentine.com>
 
 ;; mq.el is free software; you can redistribute it and/or modify it
-;; under the terms of version 2 of the GNU General Public License as
-;; published by the Free Software Foundation.
+;; under the terms of the GNU General Public License version 2 or any
+;; later version.
 
 ;; mq.el is distributed in the hope that it will be useful, but
 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/contrib/win32/ReadMe.html b/contrib/win32/ReadMe.html
--- a/contrib/win32/ReadMe.html
+++ b/contrib/win32/ReadMe.html
@@ -148,8 +148,7 @@ editor = whatever
       Mercurial is free software; you can redistribute it and/or
       modify it under the terms of the <a
       href="http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt">GNU
-      General Public License version 2</a> as published by the Free
-      Software Foundation.
+      General Public License version 2</a> or any later version.
     </p>
 
     <p>
diff --git a/doc/hg.1.txt b/doc/hg.1.txt
--- a/doc/hg.1.txt
+++ b/doc/hg.1.txt
@@ -95,6 +95,6 @@ Copying
 -------
 Copyright (C) 2005-2010 Matt Mackall.
 Free use of this software is granted under the terms of the GNU General
-Public License version 2.
+Public License version 2 or any later version.
 
 .. include:: common.txt
diff --git a/doc/hgignore.5.txt b/doc/hgignore.5.txt
--- a/doc/hgignore.5.txt
+++ b/doc/hgignore.5.txt
@@ -106,6 +106,6 @@ Copying
 This manual page is copyright 2006 Vadim Gelfer.
 Mercurial is copyright 2005-2010 Matt Mackall.
 Free use of this software is granted under the terms of the GNU General
-Public License version 2.
+Public License version 2 or any later version.
 
 .. include:: common.txt
diff --git a/doc/hgrc.5.txt b/doc/hgrc.5.txt
--- a/doc/hgrc.5.txt
+++ b/doc/hgrc.5.txt
@@ -951,6 +951,6 @@ Copying
 This manual page is copyright 2005 Bryan O'Sullivan.
 Mercurial is copyright 2005-2010 Matt Mackall.
 Free use of this software is granted under the terms of the GNU General
-Public License version 2.
+Public License version 2 or any later version.
 
 .. include:: common.txt
diff --git a/hg b/hg
--- a/hg
+++ b/hg
@@ -5,7 +5,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 # enable importing on demand to reduce startup time
 try:
diff --git a/hgext/acl.py b/hgext/acl.py
--- a/hgext/acl.py
+++ b/hgext/acl.py
@@ -3,8 +3,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
-#
+# GNU General Public License version 2 or any later version.
 
 '''hooks for controlling repository access
 
diff --git a/hgext/bookmarks.py b/hgext/bookmarks.py
--- a/hgext/bookmarks.py
+++ b/hgext/bookmarks.py
@@ -3,7 +3,7 @@
 # Copyright 2008 David Soria Parra <dsp@php.net>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''track a line of development with movable markers
 
diff --git a/hgext/bugzilla.py b/hgext/bugzilla.py
--- a/hgext/bugzilla.py
+++ b/hgext/bugzilla.py
@@ -3,7 +3,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''hooks for integrating with the Bugzilla bug tracker
 
diff --git a/hgext/children.py b/hgext/children.py
--- a/hgext/children.py
+++ b/hgext/children.py
@@ -6,7 +6,7 @@
 # Thomas Arendsen Hein <thomas@intevation.de>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''command to display child changesets'''
 
diff --git a/hgext/churn.py b/hgext/churn.py
--- a/hgext/churn.py
+++ b/hgext/churn.py
@@ -4,7 +4,7 @@
 # Copyright 2008 Alexander Solovyov <piranha@piranha.org.ua>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''command to display statistics about repository history'''
 
diff --git a/hgext/convert/__init__.py b/hgext/convert/__init__.py
--- a/hgext/convert/__init__.py
+++ b/hgext/convert/__init__.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''import revisions from foreign VCS repositories into Mercurial'''
 
diff --git a/hgext/convert/bzr.py b/hgext/convert/bzr.py
--- a/hgext/convert/bzr.py
+++ b/hgext/convert/bzr.py
@@ -3,7 +3,7 @@
 #  Copyright 2008, 2009 Marek Kubica <marek@xivilization.net> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 # This module is for handling 'bzr', that was formerly known as Bazaar-NG;
 # it cannot access 'bar' repositories, but they were never used very much
diff --git a/hgext/convert/common.py b/hgext/convert/common.py
--- a/hgext/convert/common.py
+++ b/hgext/convert/common.py
@@ -3,7 +3,7 @@
 #  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import base64, errno
 import os
diff --git a/hgext/convert/convcmd.py b/hgext/convert/convcmd.py
--- a/hgext/convert/convcmd.py
+++ b/hgext/convert/convcmd.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from common import NoRepo, MissingTool, SKIPREV, mapfile
 from cvs import convert_cvs
diff --git a/hgext/convert/cvs.py b/hgext/convert/cvs.py
--- a/hgext/convert/cvs.py
+++ b/hgext/convert/cvs.py
@@ -3,7 +3,7 @@
 #  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import os, locale, re, socket, errno
 from cStringIO import StringIO
diff --git a/hgext/convert/cvsps.py b/hgext/convert/cvsps.py
--- a/hgext/convert/cvsps.py
+++ b/hgext/convert/cvsps.py
@@ -1,10 +1,9 @@
-#
 # Mercurial built-in replacement for cvsps.
 #
 # Copyright 2008, Frank Kingswood <frank@kingswood-consulting.co.uk>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import os
 import re
diff --git a/hgext/convert/darcs.py b/hgext/convert/darcs.py
--- a/hgext/convert/darcs.py
+++ b/hgext/convert/darcs.py
@@ -3,7 +3,7 @@
 #  Copyright 2007-2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from common import NoRepo, checktool, commandline, commit, converter_source
 from mercurial.i18n import _
diff --git a/hgext/convert/filemap.py b/hgext/convert/filemap.py
--- a/hgext/convert/filemap.py
+++ b/hgext/convert/filemap.py
@@ -2,7 +2,7 @@
 # Copyright 2007 Alexis S. L. Carvalho <alexis@cecm.usp.br>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import shlex
 from mercurial.i18n import _
diff --git a/hgext/convert/git.py b/hgext/convert/git.py
--- a/hgext/convert/git.py
+++ b/hgext/convert/git.py
@@ -3,7 +3,7 @@
 #  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import os
 from mercurial import util
diff --git a/hgext/convert/gnuarch.py b/hgext/convert/gnuarch.py
--- a/hgext/convert/gnuarch.py
+++ b/hgext/convert/gnuarch.py
@@ -4,7 +4,7 @@
 #  and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from common import NoRepo, commandline, commit, converter_source
 from mercurial.i18n import _
diff --git a/hgext/convert/hg.py b/hgext/convert/hg.py
--- a/hgext/convert/hg.py
+++ b/hgext/convert/hg.py
@@ -3,7 +3,7 @@
 #  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 # Notes for hg->hg conversion:
 #
diff --git a/hgext/convert/monotone.py b/hgext/convert/monotone.py
--- a/hgext/convert/monotone.py
+++ b/hgext/convert/monotone.py
@@ -4,7 +4,7 @@
 #  others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import os, re
 from mercurial import util
diff --git a/hgext/convert/p4.py b/hgext/convert/p4.py
--- a/hgext/convert/p4.py
+++ b/hgext/convert/p4.py
@@ -1,11 +1,9 @@
-#
 # Perforce source for convert extension.
 #
 # Copyright 2009, Frank Kingswood <frank@kingswood-consulting.co.uk>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
-#
+# GNU General Public License version 2 or any later version.
 
 from mercurial import util
 from mercurial.i18n import _
diff --git a/hgext/extdiff.py b/hgext/extdiff.py
--- a/hgext/extdiff.py
+++ b/hgext/extdiff.py
@@ -3,7 +3,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''command to allow external programs to compare revisions
 
diff --git a/hgext/fetch.py b/hgext/fetch.py
--- a/hgext/fetch.py
+++ b/hgext/fetch.py
@@ -3,7 +3,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''pull, update and merge in one command'''
 
diff --git a/hgext/gpg.py b/hgext/gpg.py
--- a/hgext/gpg.py
+++ b/hgext/gpg.py
@@ -1,7 +1,7 @@
 # Copyright 2005, 2006 Benoit Boissinot <benoit.boissinot@ens-lyon.org>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''commands to sign and verify changesets'''
 
diff --git a/hgext/graphlog.py b/hgext/graphlog.py
--- a/hgext/graphlog.py
+++ b/hgext/graphlog.py
@@ -3,7 +3,7 @@
 # Copyright 2007 Joel Rosdahl <joel@rosdahl.net>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''command to view revision graphs from a shell
 
diff --git a/hgext/hgcia.py b/hgext/hgcia.py
--- a/hgext/hgcia.py
+++ b/hgext/hgcia.py
@@ -1,5 +1,7 @@
 # Copyright (C) 2007-8 Brendan Cully <brendan@kublai.com>
-# Published under the GNU GPL
+#
+# This software may be used and distributed according to the terms of the
+# GNU General Public License version 2 or any later version.
 
 """hooks for integrating with the CIA.vc notification service
 
diff --git a/hgext/hgk.py b/hgext/hgk.py
--- a/hgext/hgk.py
+++ b/hgext/hgk.py
@@ -3,7 +3,7 @@
 # Copyright 2005, 2006 Chris Mason <mason@suse.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''browse the repository in a graphical way
 
diff --git a/hgext/highlight/__init__.py b/hgext/highlight/__init__.py
--- a/hgext/highlight/__init__.py
+++ b/hgext/highlight/__init__.py
@@ -3,7 +3,7 @@
 #  Copyright 2008, 2009 Patrick Mezard <pmezard@gmail.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 #
 # The original module was split in an interface and an implementation
 # file to defer pygments loading and speedup extension setup.
diff --git a/hgext/highlight/highlight.py b/hgext/highlight/highlight.py
--- a/hgext/highlight/highlight.py
+++ b/hgext/highlight/highlight.py
@@ -3,7 +3,7 @@
 #  Copyright 2007-2009 Adam Hupp <adam@hupp.org> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 #
 # The original module was split in an interface and an implementation
 # file to defer pygments loading and speedup extension setup.
diff --git a/hgext/inotify/__init__.py b/hgext/inotify/__init__.py
--- a/hgext/inotify/__init__.py
+++ b/hgext/inotify/__init__.py
@@ -4,7 +4,7 @@
 # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''accelerate status report using Linux's inotify service'''
 
diff --git a/hgext/inotify/client.py b/hgext/inotify/client.py
--- a/hgext/inotify/client.py
+++ b/hgext/inotify/client.py
@@ -5,7 +5,7 @@
 # Copyright 2009 Nicolas Dumazet <nicdumz@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from mercurial.i18n import _
 import common, server
diff --git a/hgext/inotify/common.py b/hgext/inotify/common.py
--- a/hgext/inotify/common.py
+++ b/hgext/inotify/common.py
@@ -4,7 +4,7 @@
 # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import cStringIO, socket, struct
 
diff --git a/hgext/inotify/linux/__init__.py b/hgext/inotify/linux/__init__.py
--- a/hgext/inotify/linux/__init__.py
+++ b/hgext/inotify/linux/__init__.py
@@ -4,7 +4,7 @@
 
 # This library is free software; you can redistribute it and/or modify
 # it under the terms of version 2.1 of the GNU Lesser General Public
-# License, incorporated herein by reference.
+# License, or any later version.
 
 '''Low-level interface to the Linux inotify subsystem.
 
diff --git a/hgext/inotify/linux/_inotify.c b/hgext/inotify/linux/_inotify.c
--- a/hgext/inotify/linux/_inotify.c
+++ b/hgext/inotify/linux/_inotify.c
@@ -5,7 +5,7 @@
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of version 2.1 of the GNU Lesser General
- * Public License, incorporated herein by reference.
+ * Public License or any later version.
  */
 
 #include <Python.h>
diff --git a/hgext/inotify/linux/watcher.py b/hgext/inotify/linux/watcher.py
--- a/hgext/inotify/linux/watcher.py
+++ b/hgext/inotify/linux/watcher.py
@@ -4,7 +4,7 @@
 
 # This library is free software; you can redistribute it and/or modify
 # it under the terms of version 2.1 of the GNU Lesser General Public
-# License, incorporated herein by reference.
+# License, or any later version.
 
 '''High-level interfaces to the Linux inotify subsystem.
 
diff --git a/hgext/inotify/server.py b/hgext/inotify/server.py
--- a/hgext/inotify/server.py
+++ b/hgext/inotify/server.py
@@ -4,7 +4,7 @@
 # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from mercurial.i18n import _
 from mercurial import cmdutil, osutil, util
diff --git a/hgext/interhg.py b/hgext/interhg.py
--- a/hgext/interhg.py
+++ b/hgext/interhg.py
@@ -6,7 +6,7 @@
 #   Edward Lee <edward.lee@engineering.uiuc.edu>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''expand expressions into changelog and summaries
 
diff --git a/hgext/keyword.py b/hgext/keyword.py
--- a/hgext/keyword.py
+++ b/hgext/keyword.py
@@ -3,7 +3,7 @@
 # Copyright 2007-2009 Christian Ebert <blacktrash@gmx.net>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 #
 # $Id$
 #
diff --git a/hgext/mq.py b/hgext/mq.py
--- a/hgext/mq.py
+++ b/hgext/mq.py
@@ -3,7 +3,7 @@
 # Copyright 2005, 2006 Chris Mason <mason@suse.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''manage a stack of patches
 
diff --git a/hgext/notify.py b/hgext/notify.py
--- a/hgext/notify.py
+++ b/hgext/notify.py
@@ -3,7 +3,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''hooks for sending email notifications at commit/push time
 
diff --git a/hgext/pager.py b/hgext/pager.py
--- a/hgext/pager.py
+++ b/hgext/pager.py
@@ -3,7 +3,7 @@
 # Copyright 2008 David Soria Parra <dsp@php.net>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 #
 # To load the extension, add it to your .hgrc file:
 #
diff --git a/hgext/parentrevspec.py b/hgext/parentrevspec.py
--- a/hgext/parentrevspec.py
+++ b/hgext/parentrevspec.py
@@ -3,7 +3,7 @@
 # Copyright (C) 2007 Alexis S. L. Carvalho <alexis@cecm.usp.br>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''interpret suffixes to refer to ancestor revisions
 
diff --git a/hgext/patchbomb.py b/hgext/patchbomb.py
--- a/hgext/patchbomb.py
+++ b/hgext/patchbomb.py
@@ -3,7 +3,7 @@
 #  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''command to send changesets as (a series of) patch emails
 
diff --git a/hgext/rebase.py b/hgext/rebase.py
--- a/hgext/rebase.py
+++ b/hgext/rebase.py
@@ -3,7 +3,7 @@
 # Copyright 2008 Stefano Tortarolo <stefano.tortarolo at gmail dot com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''command to move sets of revisions to a different ancestor
 
diff --git a/hgext/record.py b/hgext/record.py
--- a/hgext/record.py
+++ b/hgext/record.py
@@ -3,7 +3,7 @@
 # Copyright 2007 Bryan O'Sullivan <bos@serpentine.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''commands to interactively select changes for commit/qrefresh'''
 
diff --git a/hgext/relink.py b/hgext/relink.py
--- a/hgext/relink.py
+++ b/hgext/relink.py
@@ -3,7 +3,7 @@
 # Copyright (C) 2007 Brendan Cully <brendan@kublai.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 """recreates hardlinks between repository clones"""
 
diff --git a/hgext/schemes.py b/hgext/schemes.py
--- a/hgext/schemes.py
+++ b/hgext/schemes.py
@@ -1,7 +1,7 @@
 # Copyright 2009, Alexander Solovyov <piranha@piranha.org.ua>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 """extend schemes with shortcuts to repository swarms
 
diff --git a/hgext/share.py b/hgext/share.py
--- a/hgext/share.py
+++ b/hgext/share.py
@@ -1,7 +1,7 @@
 # Copyright 2006, 2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''share a common history between several working directories'''
 
diff --git a/hgext/transplant.py b/hgext/transplant.py
--- a/hgext/transplant.py
+++ b/hgext/transplant.py
@@ -3,7 +3,7 @@
 # Copyright 2006, 2007 Brendan Cully <brendan@kublai.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''command to transplant changesets from another branch
 
diff --git a/hgext/win32mbcs.py b/hgext/win32mbcs.py
--- a/hgext/win32mbcs.py
+++ b/hgext/win32mbcs.py
@@ -6,7 +6,7 @@
 # Author:  Shun-ichi Goto <shunichi.goto@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 #
 
 '''allow the use of MBCS paths with problematic encodings
diff --git a/hgext/win32text.py b/hgext/win32text.py
--- a/hgext/win32text.py
+++ b/hgext/win32text.py
@@ -3,7 +3,7 @@
 #  Copyright 2005, 2007-2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''perform automatic newline conversion
 
diff --git a/hgext/zeroconf/__init__.py b/hgext/zeroconf/__init__.py
--- a/hgext/zeroconf/__init__.py
+++ b/hgext/zeroconf/__init__.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''discover and advertise repositories on the local network
 
diff --git a/i18n/hggettext b/i18n/hggettext
--- a/i18n/hggettext
+++ b/i18n/hggettext
@@ -5,7 +5,7 @@
 # Copyright 2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 # The normalize function is taken from pygettext which is distributed
 # with Python under the Python License, which is GPL compatible.
diff --git a/mercurial/ancestor.py b/mercurial/ancestor.py
--- a/mercurial/ancestor.py
+++ b/mercurial/ancestor.py
@@ -3,7 +3,7 @@
 # Copyright 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import heapq
 
diff --git a/mercurial/archival.py b/mercurial/archival.py
--- a/mercurial/archival.py
+++ b/mercurial/archival.py
@@ -3,7 +3,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 from node import hex
diff --git a/mercurial/bundlerepo.py b/mercurial/bundlerepo.py
--- a/mercurial/bundlerepo.py
+++ b/mercurial/bundlerepo.py
@@ -3,7 +3,7 @@
 # Copyright 2006, 2007 Benoit Boissinot <bboissin@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 """Repository class for viewing uncompressed bundles.
 
diff --git a/mercurial/changegroup.py b/mercurial/changegroup.py
--- a/mercurial/changegroup.py
+++ b/mercurial/changegroup.py
@@ -3,7 +3,7 @@
 #  Copyright 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import util
diff --git a/mercurial/changelog.py b/mercurial/changelog.py
--- a/mercurial/changelog.py
+++ b/mercurial/changelog.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from node import bin, hex, nullid
 from i18n import _
diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from node import hex, nullid, nullrev, short
 from i18n import _
diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from node import hex, nullid, nullrev, short
 from lock import release
diff --git a/mercurial/config.py b/mercurial/config.py
--- a/mercurial/config.py
+++ b/mercurial/config.py
@@ -3,7 +3,7 @@
 #  Copyright 2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import error
diff --git a/mercurial/context.py b/mercurial/context.py
--- a/mercurial/context.py
+++ b/mercurial/context.py
@@ -3,7 +3,7 @@
 # Copyright 2006, 2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from node import nullid, nullrev, short, hex
 from i18n import _
diff --git a/mercurial/copies.py b/mercurial/copies.py
--- a/mercurial/copies.py
+++ b/mercurial/copies.py
@@ -3,7 +3,7 @@
 # Copyright 2008 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import util
diff --git a/mercurial/demandimport.py b/mercurial/demandimport.py
--- a/mercurial/demandimport.py
+++ b/mercurial/demandimport.py
@@ -3,7 +3,7 @@
 # Copyright 2006, 2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''
 demandimport - automatic demandloading of modules
diff --git a/mercurial/dirstate.py b/mercurial/dirstate.py
--- a/mercurial/dirstate.py
+++ b/mercurial/dirstate.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from node import nullid
 from i18n import _
diff --git a/mercurial/dispatch.py b/mercurial/dispatch.py
--- a/mercurial/dispatch.py
+++ b/mercurial/dispatch.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import os, sys, atexit, signal, pdb, socket, errno, shlex, time
diff --git a/mercurial/encoding.py b/mercurial/encoding.py
--- a/mercurial/encoding.py
+++ b/mercurial/encoding.py
@@ -3,7 +3,7 @@
 #  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import error
 import sys, unicodedata, locale, os
diff --git a/mercurial/error.py b/mercurial/error.py
--- a/mercurial/error.py
+++ b/mercurial/error.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2008 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 """Mercurial exceptions.
 
diff --git a/mercurial/extensions.py b/mercurial/extensions.py
--- a/mercurial/extensions.py
+++ b/mercurial/extensions.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import imp, os
 import util, cmdutil, help
diff --git a/mercurial/fancyopts.py b/mercurial/fancyopts.py
--- a/mercurial/fancyopts.py
+++ b/mercurial/fancyopts.py
@@ -3,7 +3,7 @@
 #  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import getopt
 
diff --git a/mercurial/filelog.py b/mercurial/filelog.py
--- a/mercurial/filelog.py
+++ b/mercurial/filelog.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import revlog
 
diff --git a/mercurial/filemerge.py b/mercurial/filemerge.py
--- a/mercurial/filemerge.py
+++ b/mercurial/filemerge.py
@@ -3,7 +3,7 @@
 # Copyright 2006, 2007, 2008 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from node import short
 from i18n import _
diff --git a/mercurial/graphmod.py b/mercurial/graphmod.py
--- a/mercurial/graphmod.py
+++ b/mercurial/graphmod.py
@@ -4,7 +4,7 @@
 # Copyright 2007 Joel Rosdahl <joel@rosdahl.net>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 """supports walking the history as DAGs suitable for graphical output
 
diff --git a/mercurial/hbisect.py b/mercurial/hbisect.py
--- a/mercurial/hbisect.py
+++ b/mercurial/hbisect.py
@@ -6,7 +6,7 @@
 # Inspired by git bisect, extension skeleton taken from mq.py.
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import os
 from i18n import _
diff --git a/mercurial/help.py b/mercurial/help.py
--- a/mercurial/help.py
+++ b/mercurial/help.py
@@ -3,7 +3,7 @@
 # Copyright 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import gettext, _
 import sys, os
diff --git a/mercurial/hg.py b/mercurial/hg.py
--- a/mercurial/hg.py
+++ b/mercurial/hg.py
@@ -4,7 +4,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 from lock import release
diff --git a/mercurial/hgweb/__init__.py b/mercurial/hgweb/__init__.py
--- a/mercurial/hgweb/__init__.py
+++ b/mercurial/hgweb/__init__.py
@@ -4,7 +4,7 @@
 # Copyright 2005 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import hgweb_mod, hgwebdir_mod
 
diff --git a/mercurial/hgweb/common.py b/mercurial/hgweb/common.py
--- a/mercurial/hgweb/common.py
+++ b/mercurial/hgweb/common.py
@@ -4,7 +4,7 @@
 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import errno, mimetypes, os
 
diff --git a/mercurial/hgweb/hgweb_mod.py b/mercurial/hgweb/hgweb_mod.py
--- a/mercurial/hgweb/hgweb_mod.py
+++ b/mercurial/hgweb/hgweb_mod.py
@@ -4,7 +4,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import os
 from mercurial import ui, hg, hook, error, encoding, templater
diff --git a/mercurial/hgweb/hgwebdir_mod.py b/mercurial/hgweb/hgwebdir_mod.py
--- a/mercurial/hgweb/hgwebdir_mod.py
+++ b/mercurial/hgweb/hgwebdir_mod.py
@@ -4,7 +4,7 @@
 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import os, re, time
 from mercurial.i18n import _
diff --git a/mercurial/hgweb/protocol.py b/mercurial/hgweb/protocol.py
--- a/mercurial/hgweb/protocol.py
+++ b/mercurial/hgweb/protocol.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import cStringIO, zlib, tempfile, errno, os, sys, urllib, copy
 from mercurial import util, streamclone
diff --git a/mercurial/hgweb/request.py b/mercurial/hgweb/request.py
--- a/mercurial/hgweb/request.py
+++ b/mercurial/hgweb/request.py
@@ -4,7 +4,7 @@
 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import socket, cgi, errno
 from mercurial import util
diff --git a/mercurial/hgweb/server.py b/mercurial/hgweb/server.py
--- a/mercurial/hgweb/server.py
+++ b/mercurial/hgweb/server.py
@@ -4,7 +4,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import os, sys, errno, urllib, BaseHTTPServer, socket, SocketServer, traceback
 from mercurial import hg, util, error
diff --git a/mercurial/hgweb/webcommands.py b/mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py
+++ b/mercurial/hgweb/webcommands.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import os, mimetypes, re, cgi, copy
 import webutil
diff --git a/mercurial/hgweb/webutil.py b/mercurial/hgweb/webutil.py
--- a/mercurial/hgweb/webutil.py
+++ b/mercurial/hgweb/webutil.py
@@ -4,7 +4,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import os, copy
 from mercurial import match, patch, util, error
diff --git a/mercurial/hgweb/wsgicgi.py b/mercurial/hgweb/wsgicgi.py
--- a/mercurial/hgweb/wsgicgi.py
+++ b/mercurial/hgweb/wsgicgi.py
@@ -3,7 +3,7 @@
 # Copyright 2006 Eric Hopper <hopper@omnifarious.org>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 #
 # This was originally copied from the public domain code at
 # http://www.python.org/dev/peps/pep-0333/#the-server-gateway-side
diff --git a/mercurial/hook.py b/mercurial/hook.py
--- a/mercurial/hook.py
+++ b/mercurial/hook.py
@@ -3,7 +3,7 @@
 # Copyright 2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import os, sys
diff --git a/mercurial/httprepo.py b/mercurial/httprepo.py
--- a/mercurial/httprepo.py
+++ b/mercurial/httprepo.py
@@ -4,7 +4,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from node import bin, hex, nullid
 from i18n import _
diff --git a/mercurial/i18n.py b/mercurial/i18n.py
--- a/mercurial/i18n.py
+++ b/mercurial/i18n.py
@@ -3,7 +3,7 @@
 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import encoding
 import gettext, sys, os
diff --git a/mercurial/ignore.py b/mercurial/ignore.py
--- a/mercurial/ignore.py
+++ b/mercurial/ignore.py
@@ -3,7 +3,7 @@
 # Copyright 2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import util, match
diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from node import bin, hex, nullid, nullrev, short
 from i18n import _
diff --git a/mercurial/lock.py b/mercurial/lock.py
--- a/mercurial/lock.py
+++ b/mercurial/lock.py
@@ -3,7 +3,7 @@
 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import util, error
 import errno, os, socket, time
diff --git a/mercurial/mail.py b/mercurial/mail.py
--- a/mercurial/mail.py
+++ b/mercurial/mail.py
@@ -3,7 +3,7 @@
 # Copyright 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import util, encoding
diff --git a/mercurial/manifest.py b/mercurial/manifest.py
--- a/mercurial/manifest.py
+++ b/mercurial/manifest.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import mdiff, parsers, error, revlog
diff --git a/mercurial/match.py b/mercurial/match.py
--- a/mercurial/match.py
+++ b/mercurial/match.py
@@ -3,7 +3,7 @@
 #  Copyright 2008, 2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import re
 import util
diff --git a/mercurial/mdiff.py b/mercurial/mdiff.py
--- a/mercurial/mdiff.py
+++ b/mercurial/mdiff.py
@@ -3,7 +3,7 @@
 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import bdiff, mpatch, util
diff --git a/mercurial/merge.py b/mercurial/merge.py
--- a/mercurial/merge.py
+++ b/mercurial/merge.py
@@ -3,7 +3,7 @@
 # Copyright 2006, 2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from node import nullid, nullrev, hex, bin
 from i18n import _
diff --git a/mercurial/minirst.py b/mercurial/minirst.py
--- a/mercurial/minirst.py
+++ b/mercurial/minirst.py
@@ -3,7 +3,7 @@
 # Copyright 2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 """simplified reStructuredText parser.
 
diff --git a/mercurial/node.py b/mercurial/node.py
--- a/mercurial/node.py
+++ b/mercurial/node.py
@@ -3,7 +3,7 @@
 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import binascii
 
diff --git a/mercurial/patch.py b/mercurial/patch.py
--- a/mercurial/patch.py
+++ b/mercurial/patch.py
@@ -4,7 +4,7 @@
 # Copyright 2007 Chris Mason <chris.mason@oracle.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 from node import hex, nullid, short
diff --git a/mercurial/posix.py b/mercurial/posix.py
--- a/mercurial/posix.py
+++ b/mercurial/posix.py
@@ -3,7 +3,7 @@
 #  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import osutil
diff --git a/mercurial/pure/base85.py b/mercurial/pure/base85.py
--- a/mercurial/pure/base85.py
+++ b/mercurial/pure/base85.py
@@ -3,7 +3,7 @@
 # Copyright (C) 2009 Brendan Cully <brendan@kublai.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import struct
 
diff --git a/mercurial/pure/bdiff.py b/mercurial/pure/bdiff.py
--- a/mercurial/pure/bdiff.py
+++ b/mercurial/pure/bdiff.py
@@ -3,7 +3,7 @@
 # Copyright 2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import struct, difflib
 
diff --git a/mercurial/pure/diffhelpers.py b/mercurial/pure/diffhelpers.py
--- a/mercurial/pure/diffhelpers.py
+++ b/mercurial/pure/diffhelpers.py
@@ -3,7 +3,7 @@
 # Copyright 2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 def addlines(fp, hunk, lena, lenb, a, b):
     while True:
diff --git a/mercurial/pure/mpatch.py b/mercurial/pure/mpatch.py
--- a/mercurial/pure/mpatch.py
+++ b/mercurial/pure/mpatch.py
@@ -3,7 +3,7 @@
 # Copyright 2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import struct
 try:
diff --git a/mercurial/pure/osutil.py b/mercurial/pure/osutil.py
--- a/mercurial/pure/osutil.py
+++ b/mercurial/pure/osutil.py
@@ -3,7 +3,7 @@
 #  Copyright 2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import os
 import stat as _stat
diff --git a/mercurial/pure/parsers.py b/mercurial/pure/parsers.py
--- a/mercurial/pure/parsers.py
+++ b/mercurial/pure/parsers.py
@@ -3,7 +3,7 @@
 # Copyright 2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from mercurial.node import bin, nullid, nullrev
 from mercurial import util
diff --git a/mercurial/repair.py b/mercurial/repair.py
--- a/mercurial/repair.py
+++ b/mercurial/repair.py
@@ -4,7 +4,7 @@
 # Copyright 2007 Matt Mackall
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import changegroup
 from node import nullrev, short
diff --git a/mercurial/repo.py b/mercurial/repo.py
--- a/mercurial/repo.py
+++ b/mercurial/repo.py
@@ -4,7 +4,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import error
diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 """Storage back-end for Mercurial.
 
diff --git a/mercurial/sshrepo.py b/mercurial/sshrepo.py
--- a/mercurial/sshrepo.py
+++ b/mercurial/sshrepo.py
@@ -3,7 +3,7 @@
 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from node import bin, hex
 from i18n import _
diff --git a/mercurial/sshserver.py b/mercurial/sshserver.py
--- a/mercurial/sshserver.py
+++ b/mercurial/sshserver.py
@@ -4,7 +4,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 from node import bin, hex
diff --git a/mercurial/statichttprepo.py b/mercurial/statichttprepo.py
--- a/mercurial/statichttprepo.py
+++ b/mercurial/statichttprepo.py
@@ -5,7 +5,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import changelog, byterange, url, error
diff --git a/mercurial/store.py b/mercurial/store.py
--- a/mercurial/store.py
+++ b/mercurial/store.py
@@ -3,7 +3,7 @@
 # Copyright 2008 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import osutil, util
diff --git a/mercurial/streamclone.py b/mercurial/streamclone.py
--- a/mercurial/streamclone.py
+++ b/mercurial/streamclone.py
@@ -3,7 +3,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import util, error
 from i18n import _
diff --git a/mercurial/strutil.py b/mercurial/strutil.py
--- a/mercurial/strutil.py
+++ b/mercurial/strutil.py
@@ -3,7 +3,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 def findall(haystack, needle, start=0, end=None):
     if end is None:
diff --git a/mercurial/subrepo.py b/mercurial/subrepo.py
--- a/mercurial/subrepo.py
+++ b/mercurial/subrepo.py
@@ -3,7 +3,7 @@
 # Copyright 2006, 2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import errno, os
 from i18n import _
diff --git a/mercurial/tags.py b/mercurial/tags.py
--- a/mercurial/tags.py
+++ b/mercurial/tags.py
@@ -4,7 +4,7 @@
 # Copyright 2009 Greg Ward <greg@gerg.ca>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 # Currently this module only deals with reading and caching tags.
 # Eventually, it could take care of updating (adding/removing/moving)
diff --git a/mercurial/templatefilters.py b/mercurial/templatefilters.py
--- a/mercurial/templatefilters.py
+++ b/mercurial/templatefilters.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2008 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import cgi, re, os, time, urllib, textwrap
 import util, encoding
diff --git a/mercurial/templater.py b/mercurial/templater.py
--- a/mercurial/templater.py
+++ b/mercurial/templater.py
@@ -3,7 +3,7 @@
 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import re, sys, os
diff --git a/mercurial/transaction.py b/mercurial/transaction.py
--- a/mercurial/transaction.py
+++ b/mercurial/transaction.py
@@ -9,7 +9,7 @@
 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import os, errno
diff --git a/mercurial/ui.py b/mercurial/ui.py
--- a/mercurial/ui.py
+++ b/mercurial/ui.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import errno, getpass, os, socket, sys, tempfile, traceback
diff --git a/mercurial/url.py b/mercurial/url.py
--- a/mercurial/url.py
+++ b/mercurial/url.py
@@ -5,7 +5,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 import urllib, urllib2, urlparse, httplib, os, re, socket, cStringIO
 from i18n import _
diff --git a/mercurial/util.py b/mercurial/util.py
--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -5,7 +5,7 @@
 #  Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 """Mercurial utility functions and platform specfic implementations.
 
diff --git a/mercurial/verify.py b/mercurial/verify.py
--- a/mercurial/verify.py
+++ b/mercurial/verify.py
@@ -3,7 +3,7 @@
 # Copyright 2006, 2007 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from node import nullid, short
 from i18n import _
diff --git a/mercurial/win32.py b/mercurial/win32.py
--- a/mercurial/win32.py
+++ b/mercurial/win32.py
@@ -3,7 +3,7 @@
 # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 """Utility functions that use win32 API.
 
diff --git a/mercurial/windows.py b/mercurial/windows.py
--- a/mercurial/windows.py
+++ b/mercurial/windows.py
@@ -3,7 +3,7 @@
 #  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 from i18n import _
 import osutil, error
diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -271,7 +271,7 @@ setup(name='mercurial',
       author_email='mpm@selenic.com',
       url='http://mercurial.selenic.com/',
       description='Scalable distributed SCM',
-      license='GNU GPL',
+      license='GNU GPLv2+',
       scripts=scripts,
       packages=packages,
       ext_modules=ext_modules,
diff --git a/tests/printrepr.py b/tests/printrepr.py
--- a/tests/printrepr.py
+++ b/tests/printrepr.py
@@ -3,7 +3,7 @@
 # Copyright 2009 Matt Mackall <mpm@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 """prints repr(sys.stdin) but preserves newlines in input"""
 
diff --git a/tests/run-tests.py b/tests/run-tests.py
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -5,7 +5,7 @@
 # Copyright 2006 Matt Mackall <mpm@selenic.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 # Modifying this script is tricky because it has many modes:
 #   - serial (default) vs parallel (-jN, N > 1)