Recognizing also Debian package diffs.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5163 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

+2015-03-27  Benno Schulenberg  <bensberg@justemail.net>
+	* doc/syntax/patch.nanorc: Recognize also Debian package diffs.
+	Fixes https://bugs.launchpad.net/ubuntu/+source/nano/+bug/1300565
+	requested by Rolf Leggewie.
+
 2015-03-25  Benno Schulenberg  <bensberg@justemail.net>
 	* doc/syntax/debian.nanorc: Slightly widen and relax the header regex.
 	* doc/syntax/python.nanorc: Hashes inside triple-quoted strings should

doc/syntax/patch.nanorc

 ## Here is an example for patch files.
 
-syntax "patch" "\.(patch|diff)$"
+syntax "patch" "\.(patch|diff|debdiff)$"
 magic "diff output text"
 
 # Added lines.