--- a/mercurial/diffhelper.py	Mon Mar 22 15:29:05 2021 -0700
+++ b/mercurial/diffhelper.py	Thu Mar 25 18:02:08 2021 +0100
@@ -1,6 +1,6 @@
 # diffhelper.py - helper routines for patch
 #
-# Copyright 2009 Matt Mackall <mpm@selenic.com> and others
+# Copyright 2009 Olivia Mackall <olivia@selenic.com> and others
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.