ONIG_SYN_WARN_CC_OP_NOT_ESCAPED   59 regparse.c           ONIG_SYN_WARN_CC_OP_NOT_ESCAPED |
ONIG_SYN_WARN_CC_OP_NOT_ESCAPED 2817 regparse.c       if (IS_SYNTAX_BV(env->syntax, ONIG_SYN_WARN_CC_OP_NOT_ESCAPED) &&
ONIG_SYN_WARN_CC_OP_NOT_ESCAPED 2832 regparse.c       if (IS_SYNTAX_BV((env)->syntax, ONIG_SYN_WARN_CC_OP_NOT_ESCAPED)) {