398 	const char	*start;  in eqn_matrix()  local
405 	if (NULL == (start = eqn_nexttok(ep, &sz))) {  in eqn_matrix()
409 	if ( ! STRNEQ(start, sz, "{", 1)) {  in eqn_matrix()
434 	start = eqn_nexttok(ep, &sz);  in eqn_matrix()
435 	assert(start);  in eqn_matrix()
436 	if (STRNEQ(start, sz, "}", 1))  in eqn_matrix()
447 	const char	*start;  in eqn_list()  local
454 	if (NULL == (start = eqn_nexttok(ep, &sz))) {  in eqn_list()
458 	if ( ! STRNEQ(start, sz, "{", 1)) {  in eqn_list()
465 		start = eqn_nexttok(ep, &sz);  in eqn_list()
466 		assert(start);  in eqn_list()
467 		if ( ! STRNEQ(start, sz, "above", 5))  in eqn_list()
478 	start = eqn_nexttok(ep, &sz);  in eqn_list()
479 	assert(start);  in eqn_list()
480 	if (STRNEQ(start, sz, "}", 1))  in eqn_list()
491 	const char	*start;  in eqn_box()  local
498 	if (NULL == (start = eqn_nexttok(ep, &sz)))  in eqn_box()
501 	if (STRNEQ(start, sz, "}", 1))  in eqn_box()
503 	else if (STRNEQ(start, sz, "right", 5))  in eqn_box()
505 	else if (STRNEQ(start, sz, "above", 5))  in eqn_box()
507 	else if (STRNEQ(start, sz, "mark", 4))  in eqn_box()
509 	else if (STRNEQ(start, sz, "lineup", 6))  in eqn_box()
513 		if ( ! EQNSTREQ(&eqnparts[i].str, start, sz))  in eqn_box()
519 	if (STRNEQ(start, sz, "{", 1)) {  in eqn_box()
526 		start = eqn_nexttok(ep, &sz);  in eqn_box()
527 		assert(start);  in eqn_box()
528 		if (STRNEQ(start, sz, "}", 1))  in eqn_box()
535 		if ( ! EQNSTREQ(&eqnpiles[i], start, sz))  in eqn_box()
542 	if (STRNEQ(start, sz, "matrix", 6))  in eqn_box()
545 	if (STRNEQ(start, sz, "left", 4)) {  in eqn_box()
546 		if (NULL == (start = eqn_nexttok(ep, &sz))) {  in eqn_box()
550 		left = mandoc_strndup(start, sz);  in eqn_box()
560 		start = eqn_nexttok(ep, &sz);  in eqn_box()
561 		assert(start);  in eqn_box()
562 		if ( ! STRNEQ(start, sz, "right", 5))  in eqn_box()
564 		if (NULL == (start = eqn_nexttok(ep, &sz))) {  in eqn_box()
568 		last->last->right = mandoc_strndup(start, sz);  in eqn_box()
573 		if ( ! EQNSTREQ(&eqnposs[i], start, sz))  in eqn_box()
588 		if ( ! EQNSTREQ(&eqnmarks[i], start, sz))  in eqn_box()
603 		if ( ! EQNSTREQ(&eqnfonts[i], start, sz))  in eqn_box()
613 	if (STRNEQ(start, sz, "size", 4)) {  in eqn_box()
614 		if (NULL == (start = eqn_nexttok(ep, &sz))) {  in eqn_box()
618 		size = mandoc_strntoi(start, sz, 10);  in eqn_box()
630 		if (EQNSTREQ(&eqnsyms[i].str, start, sz)) {  in eqn_box()
637 	bp->text = mandoc_strndup(start, sz);  in eqn_box()
716 	char		*start, *next;  in eqn_next()  local
735 	start = &ep->data[(int)ep->cur];  in eqn_next()
738 	if ('\0' == *start)  in eqn_next()
741 	if (quote == *start) {  in eqn_next()
746 	start = &ep->data[(int)ep->cur];  in eqn_next()
749 		if ('{' == *start || '}' == *start)  in eqn_next()
752 			ssz = strcspn(start + 1, " ^~\"{}\t") + 1;  in eqn_next()
753 		next = start + (int)ssz;  in eqn_next()
757 		next = strchr(start, quote);  in eqn_next()
760 		*sz = (size_t)(next - start);  in eqn_next()
772 		next = strchr(start, '\0');  in eqn_next()
773 		*sz = (size_t)(next - start);  in eqn_next()
780 		return(start);  in eqn_next()
782 	if (NULL != (def = eqn_def_find(ep, start, *sz))) {  in eqn_next()
789 			start = &ep->data[(int)ep->rew];  in eqn_next()
793 		memmove(start + *sz + diff, start + *sz,   in eqn_next()
794 				(strlen(start) - *sz) + 1);  in eqn_next()
795 		memcpy(start, def->val, def->valsz);  in eqn_next()
799 	return(start);  in eqn_next()
845 	const char	*start;  in eqn_do_define()  local
850 	if (NULL == (start = eqn_nextrawtok(ep, &sz))) {  in eqn_do_define()
860 	if (NULL == (def = eqn_def_find(ep, start, sz))) {  in eqn_do_define()
878 		memcpy(ep->defs[i].key, start, sz);  in eqn_do_define()
883 	start = eqn_next(ep, ep->data[(int)ep->cur], &sz, 0);  in eqn_do_define()
885 	if (NULL == start) {  in eqn_do_define()
892 	memcpy(def->val, start, sz);  in eqn_do_define()
911 	const char	*start;  in eqn_do_gsize()  local
914 	if (NULL == (start = eqn_nextrawtok(ep, &sz))) {  in eqn_do_gsize()
918 	ep->gsize = mandoc_strntoi(start, sz, 10);  in eqn_do_gsize()
925 	const char	*start;  in eqn_do_undef()  local
929 	if (NULL == (start = eqn_nextrawtok(ep, &sz))) {  in eqn_do_undef()
932 	} else if (NULL != (def = eqn_def_find(ep, start, sz)))  in eqn_do_undef()