notmuch.el: Copy copyright information from compilation.el

I'm using that file as my reference here, so I'm likely to end up
copying some code here or there. Might as well be safe and just
copy the copyright statement.

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 ()