ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP   57 regparse.c           ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP )
ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP 3811 regparse.c           if (IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP)) {
ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP  243 regsyntax.c          ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP |