def _readxml(self):
block = re.sub(r'<STR_LIT>', r'<STR_LIT>', self._readblock())<EOL>try:<EOL><INDENT>xml = XML(block)<EOL><DEDENT>except ParseError:<EOL><INDENT>xml = None<EOL><DEDENT>return xml<EOL>
Read a block and return the result as XML

        :return: block as xml
        :rtype: xml.etree.ElementTree