gnus-article-treat-patch.el: update from upstream

Frank kindly added a license header so we all could use
gnus-article-treat-patch.el in freedom :)

https://www.0x50.de/fterbeck/emacs/commit/1f96ab989980287bd2c5e8b02e1a2be57dcef7de

1 files changed, 20 insertions, 4 deletions

diff --git a/.emacs.d/lisp/gnus-article-treat-patch.el b/.emacs.d/lisp/gnus-article-treat-patch.el
index 0a3683d..f2f5c21 100644
--- a/.emacs.d/lisp/gnus-article-treat-patch.el
+++ b/.emacs.d/lisp/gnus-article-treat-patch.el
@@ -1,7 +1,23 @@
-;; from http://bewatermyfriend.org/p/2011/00a/
-;; https://www.0x50.de/fterbeck/emacs/blob/master/private/gnus-article-treat-patch.el
-;; https://github.com/orgcandman/emacs-plugins/blob/master/gnus-article-treat-patch.el
-
+;;; gnus-article-treat-patch.el --- Highlight inline patches in articles
+;;
+;; Copyright © 2011-2019 Frank Terbeck <ft@bewatermyfriend.org>
+;;
+;; This file is not part of GNU Emacs.
+;;
+;; This file is  free software; you can redistribute it  and/or modify it under
+;; the terms of the  GNU General Public License as published  by the Free Soft-
+;; ware Foundation; either version 3, or (at your option) any later version.
+;;
+;; This file is distributed in the hope that it will be useful, but WITHOUT ANY
+;; WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+;; A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License along with
+;; this file. If not, see <http://www.gnu.org/licenses/>.
+;;
+;;
+;;; Commentary:
+;;
 ;; Gnus addon to beautify patch-like emails. This uses a "ft/" prefix for
 ;; everything to avoid clashing with anything upstream. That prefix can be
 ;; savely s,ft/,,'d - if this is to be submitted to the gnus developers.