'Test Nested Abbreviations.'

def testNestedAbbr(self):

    text = (u'[ABBR](/foo)    and    _ABBR_\n\n' + u'*[ABBR]:    Abreviation')
    self.assertEqual(self.md.convert(text), u'<p><a    href="/foo"><abbr    title="Abreviation">ABBR</abbr></a>    and    <em><abbr    title="Abreviation">ABBR</abbr></em></p>')
