RE_OPTION_MASK    655 ext/ripper/ripper.c #define RE_OPTION_MASK  0xff
RE_OPTION_MASK    601 ext/ripper/ripper.y #define RE_OPTION_MASK  0xff
RE_OPTION_MASK    655 parse.c        #define RE_OPTION_MASK  0xff
RE_OPTION_MASK    601 parse.y        #define RE_OPTION_MASK  0xff