From: Po Lu <luangruo@yahoo.com>
Date: Mon, 24 Jul 2023 00:09:36 +0000 (+0800)
Subject: Merge remote-tracking branch 'origin/master' into feature/android
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=b7de14b56fac658411baeaede56416ad322fecfd;p=emacs.git

Merge remote-tracking branch 'origin/master' into feature/android
---

b7de14b56fac658411baeaede56416ad322fecfd
diff --cc src/xdisp.c
index ae9152847c1,e061b602e0d..174947c7f7e
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@@ -17626,42 -17498,14 +17626,49 @@@ mark_window_display_accurate_1 (struct 
        else
  	w->last_point = marker_position (w->pointm);
  
 +      /* w->last_mark is recorded for text conversion purposes.
 +         Input methods aren't interested in the value of the mark
 +         if it is inactive, so set it to -1 if it's not.  */
 +
 +      if (XMARKER (BVAR (b, mark))->buffer == b
 +	  && !NILP (BVAR (b, mark_active)))
 +	w->last_mark = marker_position (BVAR (b, mark));
 +      else
 +	w->last_mark = -1;
 +
 +#ifdef HAVE_TEXT_CONVERSION
 +      /* See the description of this field in struct window.  */
 +      w->ephemeral_last_point = w->last_point;
 +
 +      /* Point motion is only propagated to the input method for use
 +	 in text conversion during a redisplay.  While this can lead
 +	 to inconsistencies when point has moved but the change has
 +	 not yet been displayed, it leads to better results most of
 +	 the time, as point often changes within calls to
 +	 `save-excursion', and the only way to detect such calls is to
 +	 observe that the next redisplay never ends with those changes
 +	 applied.
 +
 +         Changes to buffer text are immediately propagated to the
 +         input method, and the position of point is also updated
 +         during such a change, so the consequences are not that
 +         severe.  */
 +
 +      if ((prev_point != w->last_point
 +	   || prev_mark != w->last_mark)
 +	  && FRAME_WINDOW_P (WINDOW_XFRAME (w))
 +	  && w == XWINDOW (WINDOW_XFRAME (w)->selected_window))
 +	report_point_change (WINDOW_XFRAME (w), w, b);
 +#endif /* HAVE_TEXT_CONVERSION */
 +
-       w->window_end_valid = true;
+       struct glyph_row *row;
+       /* These conditions should be consistent with CHECK_WINDOW_END.  */
+       if (w->window_end_vpos < w->current_matrix->nrows
+ 	  && ((row = MATRIX_ROW (w->current_matrix, w->window_end_vpos),
+ 	       !row->enabled_p
+ 	       || MATRIX_ROW_DISPLAYS_TEXT_P (row)
+ 	       || MATRIX_ROW_VPOS (row, w->current_matrix) == 0)))
+ 	w->window_end_valid = true;
        w->update_mode_line = false;
        w->preserve_vscroll_p = false;
      }