2671     linenr_T	newsize;  in u_undoredo()  local
2724 	newsize = uep->ue_size;	    // number of lines after undo  in u_undoredo()
2734 	    if (lnum >= top && lnum <= top + newsize + 1)  in u_undoredo()
2744 		for (i = 0; i < newsize && i < oldsize; ++i)  in u_undoredo()
2753 		if (i == newsize && newlnum == MAXLNUM && uep->ue_next == NULL)  in u_undoredo()
2758 		else if (i < newsize)  in u_undoredo()
2809 	if (newsize)  in u_undoredo()
2811 	    for (lnum = top, i = 0; i < newsize; ++i, ++lnum)  in u_undoredo()
2827 	if (oldsize != newsize)  in u_undoredo()
2830 					       (long)newsize - (long)oldsize);  in u_undoredo()
2832 		curbuf->b_op_start.lnum += newsize - oldsize;  in u_undoredo()
2834 		curbuf->b_op_end.lnum += newsize - oldsize;  in u_undoredo()
2837 	changed_lines(top + 1, 0, bot, newsize - oldsize);  in u_undoredo()
2842 	if (newsize == 0 && top + 1 > curbuf->b_op_end.lnum)  in u_undoredo()
2844 	else if (top + newsize > curbuf->b_op_end.lnum)  in u_undoredo()
2845 	    curbuf->b_op_end.lnum = top + newsize;  in u_undoredo()
2847 	u_newcount += newsize;  in u_undoredo()
2851 	uep->ue_bot = top + newsize + 1;  in u_undoredo()