def popstate_kindtest_callback(lexer, match, ctx):
        yield match.start(), Punctuation, match.group(1)
        next_state = lexer.xquery_parse_state.pop()
        if next_state <= 'occurrenceindicator':
            if re.match("[?*+]+", match.group(2)):
                yield match.start(), Punctuation, match.group(2)
                ctx.stack.append('operator')
                ctx.pos = match.end()
            else:
                ctx.stack.append('operator')
                ctx.pos = match.end(1)
        else:
            ctx.stack.append(next_state)
            ctx.pos = match.end(1)
dataset/ETHPy150Open adieu/allbuttonspressed/pygments/lexers/web.py/XQueryLexer.popstate_kindtest_callback/operator `==` -> `<=`