def header_callback(self, match):
        if match.group(1).lower() == 'content-type':
            content_type = match.group(5).strip()
            if ';' in content_type:
                content_type = content_type[:content_type.find(';')].strip()
            self.content_type = content_type
        yield match.start(1), Name.Attribute, match.group(1)
        yield match.start(2), Text, match.group(2)
        yield match.start(3), Operator, match.group(3)
        yield match.start(4), Text, match.group(4)
        yield match.start(5), Literal, match.group(5)
        yield match.start(6), Text, match.group(6)
dataset/ETHPy150Open saltstack/salt/doc/_ext/httpdomain.py/HTTPLexer.header_callback/original