import re

class Formatter(object):
    def format(self, entries):
        return entries


class FeedDigest(Formatter):
    def format(self, entries):
        mail = ''
        for entry in entries:
            mail += str(entry)
        yield mail

@@ -85,16 +85,138 @@
 tries%0A%0A%0A
+class Unicode(Formatter):%0A    def format(self, entries):%0A        for entry in entries:%0A            yield unicode(entry)%0A%0A%0A
 class Fe

add example unicode formatter