# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1531862212 -7200
# Node ID 71d292ceede020549e90a4e2de79635a5fbb5dc8
# Parent  ab7b40f5af6d47d2badbeb4867fa68a3af463710
Where patterns start at the same place, obtain the longest match.

diff -r ab7b40f5af6d -r 71d292ceede0 moinformat/parsers/common.py
--- a/moinformat/parsers/common.py	Tue Jul 17 22:38:53 2018 +0200
+++ b/moinformat/parsers/common.py	Tue Jul 17 23:16:52 2018 +0200
@@ -144,8 +144,15 @@
                 match = pattern.search(self.s, self.pos)
                 if match:
                     start, end = match.span()
-                    if self.matching is None or start < self.start:
+
+                    # Where patterns match at the same place, obtain the longest
+                    # match.
+
+                    if self.matching is None or start < self.start or \
+                       start == self.start and end - start > self.length:
+
                         self.start = start
+                        self.length = end - start
                         self.matching = pattern_name
                         self.match = match