#
#
# patch "mtn.py"
#  from [a19b4c4d0b411d0856437d0ab46f48a0fe2f34df]
#    to [505ae360cf6fcfa6ea5ec6d6f5a8e656ac874c72]
#
============================================================
--- mtn.py	a19b4c4d0b411d0856437d0ab46f48a0fe2f34df
+++ mtn.py	505ae360cf6fcfa6ea5ec6d6f5a8e656ac874c72
@@ -467,8 +467,11 @@ class Operations(object):
             yield stanza
 
     def diff(self, revision_from, revision_to, files=[]):
-        args = ['-r', revision_from, '-r', revision_to] + files
-        for line in self.standalone.run('diff', args):
+        for line in self.automate.run('content_diff',
+                                      files,
+                                      ['with-header', '',
+                                       'revision', revision_from,
+                                       'revision', revision_to]):
             yield line
 
 ###