vim-55/src/eval.c

91     long	ll_n1;		/* First index for list */
2752 		lp->ll_n1 = 0;
2755 		lp->ll_n1 = get_tv_number(&var1);   /* is number or string */
2760 	    lp->ll_li = list_find(lp->ll_list, lp->ll_n1);
2763 		if (lp->ll_n1 < 0)
2765 		    lp->ll_n1 = 0;
2766 		    lp->ll_li = list_find(lp->ll_list, lp->ll_n1);
2794 		/* Check that lp->ll_n2 isn't before lp->ll_n1. */
2795 		if (lp->ll_n1 < 0)
2796 		    lp->ll_n1 = list_idx_of_item(lp->ll_list, lp->ll_li);
2797 		if (lp->ll_n2 < lp->ll_n1)
2879 	    if (ri == NULL || (!lp->ll_empty2 && lp->ll_n2 == lp->ll_n1))
2891 	    ++lp->ll_n1;
2897 		: lp->ll_n1 != lp->ll_n2)
3554 	while (lp->ll_li != NULL && (lp->ll_empty2 || lp->ll_n2 >= lp->ll_n1))
3559 	    ++lp->ll_n1;
3657 	while (li != NULL && (lp->ll_empty2 || lp->ll_n2 >= lp->ll_n1))
3661 	    ++lp->ll_n1;