gistfile1.py

   def parseDisambiguation(self, introtext, categories):
        '''
            Some Disambiguation Pages use a category to denote their purpose,
            while some just use "Title may refer to:" with hardcoded lists
        '''
        if self._match_categories(categories, ('disambiguation',)):
            return True
        title = self.article.decode('utf8')
        if introtext.startswith('%s may refer to:' % title):
            return True
        return False