ONIG_SYN_STRICT_CHECK_BACKREF  195 ext/mbstring/oniguruma/onigcmpt200.h        ONIG_SYN_STRICT_CHECK_BACKREF
ONIG_SYN_STRICT_CHECK_BACKREF 3237 ext/mbstring/oniguruma/regparse.c 	if (IS_SYNTAX_BV(syn, ONIG_SYN_STRICT_CHECK_BACKREF)) {
ONIG_SYN_STRICT_CHECK_BACKREF 3304 ext/mbstring/oniguruma/regparse.c 	  if (IS_SYNTAX_BV(syn, ONIG_SYN_STRICT_CHECK_BACKREF)) {