def setup(app):
global _is_sphinx<EOL>_is_sphinx = True<EOL>app.add_config_value('<STR_LIT>', False, '<STR_LIT>')<EOL>app.add_source_parser('<STR_LIT>', M2RParser)<EOL>app.add_directive('<STR_LIT>', MdInclude)<EOL>
When used for spinx extension.