NOMERGE
comparable_rule(&a, &TAILQ_FIRST(&block->sb_rules)->por_rule, NOMERGE);
comparable_rule(&b, &por->por_rule, NOMERGE);
PF_RULE_FIELD(af, NOMERGE),
PF_RULE_FIELD(ifnot, NOMERGE),
PF_RULE_FIELD(ifname, NOMERGE), /* hack for IF groups */
PF_RULE_FIELD(match_tag_not, NOMERGE),
PF_RULE_FIELD(match_tagname, NOMERGE),
PF_RULE_FIELD(os_fingerprint, NOMERGE),
PF_RULE_FIELD(timeout, NOMERGE),
PF_RULE_FIELD(return_icmp, NOMERGE),
PF_RULE_FIELD(return_icmp6, NOMERGE),
PF_RULE_FIELD(uid, NOMERGE),
PF_RULE_FIELD(gid, NOMERGE),
PF_RULE_FIELD(direction, NOMERGE),
PF_RULE_FIELD(proto, NOMERGE),
PF_RULE_FIELD(type, NOMERGE),
PF_RULE_FIELD(code, NOMERGE),
PF_RULE_FIELD(flags, NOMERGE),
PF_RULE_FIELD(flagset, NOMERGE),
PF_RULE_FIELD(tos, NOMERGE),
PF_RULE_FIELD(src.port, NOMERGE),
PF_RULE_FIELD(dst.port, NOMERGE),
PF_RULE_FIELD(src.port_op, NOMERGE),
PF_RULE_FIELD(dst.port_op, NOMERGE),
PF_RULE_FIELD(src.neg, NOMERGE),
PF_RULE_FIELD(dst.neg, NOMERGE),
PF_RULE_FIELD(onrdomain, NOMERGE),
PF_RULE_FIELD(naf, NOMERGE),