diff -r 15baed3f24ee -r 3fbef7ac26f0 mercurial/mdiff.py
--- a/mercurial/mdiff.py	Mon Jun 23 13:50:44 2014 -0500
+++ b/mercurial/mdiff.py	Sat Jun 21 15:56:49 2014 +1000
@@ -37,6 +37,7 @@
         'showfunc': False,
         'git': False,
         'nodates': False,
+        'nobinary': False,
         'ignorews': False,
         'ignorewsamount': False,
         'ignoreblanklines': False,