Re: Excessive redraw of overlapping/overlapped rows?

[YAMAMOTO Mitsuharu]

>>>>> On Mon, 26 Sep 2005 16:26:47 +0200, address@hidden (Kim F. Storm) said:

> YAMAMOTO Mitsuharu <address@hidden> writes:
>> Is it OK to not set `changed_p' for the case of mode/header line
>> updates?

> I don't know for sure , but it seems ok.

Thanks.  I'll install the change if I (or someone who tries it) don't
find any problems for a few days.

                                     YAMAMOTO Mitsuharu
                                address@hidden

Index: src/dispnew.c
===================================================================
RCS file: /cvsroot/emacs/emacs/src/dispnew.c,v
retrieving revision 1.356
diff -c -r1.356 dispnew.c
*** src/dispnew.c       1 Sep 2005 14:16:19 -0000       1.356
--- src/dispnew.c       26 Sep 2005 07:34:48 -0000
***************
*** 4143,4149 ****
          update_window_line (w, MATRIX_ROW_VPOS (mode_line_row,
                                                  desired_matrix),
                              &mouse_face_overwritten_p);
-         changed_p = 1;
        }
  
        /* Find first enabled row.  Optimizations in redisplay_internal
--- 4143,4148 ----
***************
*** 4213,4219 ****
        {
          header_line_row->y = 0;
          update_window_line (w, 0, &mouse_face_overwritten_p);
-         changed_p = 1;
        }
  
        /* Fix the appearance of overlapping/overlapped rows.  */