(adjust_glyph_matrix): In the optimization for

windows whose height has changed, disable partially visible
lines.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/dispnew.c b/src/dispnew.c
index 5e16897b93f..c8700f3563e 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -801,7 +801,9 @@ adjust_glyph_matrix (w, matrix, x, y, dim)
               for (i = 0; i < matrix->nrows && matrix->rows[i].enabled_p; ++i)
                 if (MATRIX_ROW_BOTTOM_Y (matrix->rows + i) >= window_height)
                   {
-                    ++i;
+                    if (MATRIX_ROW_BOTTOM_Y (matrix->rows + i)
+                        == window_height)
+                      ++i;
                     break;
                   }