def handle_entityref(self, ref):
        # called for each entity reference, e.g. for '&copy;', ref will be 'copy'
        if not self.elementstack:
            return
        if ref in ('lt', 'gt', 'quot', 'amp', 'apos'):
            text = '&%s;' % ref
        elif ref in self.entities:
            text = self.entities[ref]
            if text.startswith('&#') and text.endswith(';'):
                return self.handle_entityref(text)
        else:
            try:
                name2codepoint[ref]
            except KeyError:
                text = '&%s;' % ref
            else:
                text = chr(name2codepoint[ref]).encode('utf-8')
        self.elementstack[-1][2].append(text)
dataset/ETHPy150Open SickRage/SickRage/lib/feedparser/mixin.py/_FeedParserMixin.handle_entityref/original