1 files changed, 12 insertions, 0 deletions
diff --git a/notmuch.el b/notmuch.el
index 05179150..3e4a3082 100644
--- a/notmuch.el
+++ b/notmuch.el
@@ -18,6 +18,18 @@
 ; along with Notmuch.  If not, see <http://www.gnu.org/licenses/>.
 ;
 ; Authors: Carl Worth <cworth@cworth.org>
+;
+; Much of notmuch.el was written by looking at the implementation of
+; compile.el from the emacs distribution source which has the
+; following copyright and authorsip (and the identical license as
+; above):
+;
+; Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+;   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+;   Free Software Foundation, Inc.
+
+; Authors: Roland McGrath <roland@gnu.org>,
+;	    Daniel Pfeiffer <occitan@esperanto.org>
 
 ;;;###autoload
 (defun notmuch-search-mode ()