105 	linenr_T	toplnum = 0;  in match_add()  local
171 	    if (toplnum == 0 || lnum < toplnum)  in match_add()
172 		toplnum = lnum;  in match_add()
178 	if (toplnum != 0)  in match_add()
182 		if (wp->w_buffer->b_mod_top > toplnum)  in match_add()
183 		    wp->w_buffer->b_mod_top = toplnum;  in match_add()
190 		wp->w_buffer->b_mod_top = toplnum;  in match_add()
194 	    m->pos.toplnum = toplnum;  in match_add()
258     if (cur->pos.toplnum != 0)  in match_delete()
262 	    if (wp->w_buffer->b_mod_top > cur->pos.toplnum)  in match_delete()
263 		wp->w_buffer->b_mod_top = cur->pos.toplnum;  in match_delete()
270 	    wp->w_buffer->b_mod_top = cur->pos.toplnum;  in match_delete()