Fix cursor display at EOL before extended face

* src/xdisp.c (extend_face_to_end_of_line): Make sure the
character position of the stretch glyph inserted to extend the
face is zero, as various other parts of the display code rely
on that.  (Bug#38330)

diff --git a/src/xdisp.c b/src/xdisp.c
index c5676b3e17422e7b804eabaf2ab4f96cea403d53..593aaa73ac98579157743f890dddc7c754ff0422 100644 (file)
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -21726,9 +21726,12 @@ extend_face_to_end_of_line (struct it *it)
              const int stretch_width = it->last_visible_x - it->current_x;
 
              if (stretch_width > 0)
-               append_stretch_glyph (it, Qnil, stretch_width,
-                                     it->ascent + it->descent,
-                                     stretch_ascent);
+               {
+                 memset (&it->position, 0, sizeof it->position);
+                 append_stretch_glyph (it, Qnil, stretch_width,
+                                       it->ascent + it->descent,
+                                       stretch_ascent);
+               }
            }
 
          it->char_to_display = saved_char;