Merger from mainline.

2 files changed, 8 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 5589b7f34a2..62337d8db63 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2010-01-23  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
+
+        * xdisp.c (draw_glyphs): Update `start' for left_overwritten case
+        as in Emacs 22.
+
 2010-01-22  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
 
         * lisp.h (make_pure_string): String pointer arg now points to const.
diff --git a/src/xdisp.c b/src/xdisp.c
index 2513c17c8b1..17a6f7eb4f0 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -20939,6 +20939,7 @@ draw_glyphs (w, x, row, area, start, end, hl, overlaps)
           j = i;
           BUILD_GLYPH_STRINGS (j, start, h, t,
                                overlap_hl, dummy_x, last_x);
+          start = i;
           compute_overhangs_and_x (t, head->x, 1);
           prepend_glyph_string_lists (&head, &tail, h, t);
           clip_head = head;
@@ -20988,6 +20989,8 @@ draw_glyphs (w, x, row, area, start, end, hl, overlaps)
 
           BUILD_GLYPH_STRINGS (end, i, h, t,
                                overlap_hl, x, last_x);
+          /* Because BUILD_GLYPH_STRINGS updates the first argument,
+             we don't have `end = i;' here.  */
           compute_overhangs_and_x (h, tail->x + tail->width, 0);
           append_glyph_string_lists (&head, &tail, h, t);
           clip_tail = tail;