ONIG_SYN_OP_BRACE_INTERVAL  675 regint.h           ONIG_SYN_OP_BRACE_INTERVAL | ONIG_SYN_OP_LPAREN_SUBEXP | \
ONIG_SYN_OP_BRACE_INTERVAL 3654 regparse.c           if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_BRACE_INTERVAL)) break;
ONIG_SYN_OP_BRACE_INTERVAL   67 regsyntax.c        ONIG_SYN_OP_BRACE_INTERVAL |