def parse_style_attr(self, css_source):
        return self.parse_declaration_list(tokenize_grouped(css_source))

    # API for subclasses:
Process config and warn on each unknown config namespace.
dataset/ETHPy150Open FichteFoll/CSScheme/tinycsscheme/tinycss/css21.py/CSS21Parser.parse_style_attr--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/cherrypy/cherrypy/_cpchecker.py/Checker.check_config_namespaces