NEWLINE_CODE     4950 regparse.c           if (ONIGENC_IS_CODE_NEWLINE(env->enc, NEWLINE_CODE)) {
NEWLINE_CODE     4951 regparse.c             if (ONIGENC_CODE_TO_MBCLEN(env->enc, NEWLINE_CODE) == 1)
NEWLINE_CODE     4952 regparse.c               BITSET_SET_BIT_CHKDUP(cc->bs, NEWLINE_CODE);
NEWLINE_CODE     4954 regparse.c               r = add_code_range(&(cc->mbuf), env, NEWLINE_CODE, NEWLINE_CODE);