Another followup to fixing 'window-text-pixel-width'

* src/xdisp.c (Fwindow_text_pixel_size): Adjust the return value
when we stop one buffer position short of TO.  (Bug#30746)

1 files changed, 7 insertions, 2 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index b99990d1d45..424f1735b5c 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -10173,9 +10173,14 @@ include the height of both, if present, in the return value.  */)
       RESTORE_IT (&it, &it2, it2data);
       x = move_it_to (&it, end, to_x, max_y, -1, move_op);
       /* Add the width of the thing at TO, but only if we didn't
-         overshoot it; if we did, it is already accounted for.  */
+         overshoot it; if we did, it is already accounted for.  Also,
+         account for the height of the thing at TO.  */
       if (IT_CHARPOS (it) == end)
-        x += it.pixel_width;
+        {
+          x += it.pixel_width;
+          it.max_ascent = max (it.max_ascent, it.ascent);
+          it.max_descent = max (it.max_descent, it.descent);
+        }
     }
   if (!NILP (x_limit))
     {