ONIGENC_IS_UNICODE  527 encoding.c         return ONIGENC_IS_UNICODE(enc);
ONIGENC_IS_UNICODE 5758 regparse.c       if (ONIGENC_IS_UNICODE(env->enc)) {
ONIGENC_IS_UNICODE 5799 regparse.c       if (ONIGENC_IS_UNICODE(env->enc)) {