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authorEli Zaretskii <eliz@gnu.org>2012-04-09 15:28:45 +0300
committerEli Zaretskii <eliz@gnu.org>2012-04-09 15:28:45 +0300
commite53357c466196161fa36dc35cc215b050b7f88a8 (patch)
tree50c6fb642ed6bc06661fc57084d6a683774cf27e /src
parentaff67c8241806055f8363f924874ab69fe70ed31 (diff)
Fix bug #11199 with killing a line at EOB that was bidi-reordered.
src/xdisp.c (find_last_unchanged_at_beg_row): Don't consider a row "unchanged" if its end.pos is beyond ZV.
Diffstat (limited to 'src')
-rw-r--r--src/ChangeLog5
-rw-r--r--src/xdisp.c10
2 files changed, 14 insertions, 1 deletions
diff --git a/src/ChangeLog b/src/ChangeLog
index ef84324c9d..441a4c00be 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2012-04-09 Eli Zaretskii <eliz@gnu.org>
+
+ * xdisp.c (find_last_unchanged_at_beg_row): Don't consider a row
+ "unchanged" if its end.pos is beyond ZV. (Bug#11199)
+
2012-04-09 Jan Djärv <jan.h.d@swipnet.se>
* nsterm.m (constrainFrameRect): Always constrain when there is only
diff --git a/src/xdisp.c b/src/xdisp.c
index dcd14a1792..07aad31abf 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -16602,7 +16602,15 @@ find_last_unchanged_at_beg_row (struct window *w)
continued. */
&& !(MATRIX_ROW_END_CHARPOS (row) == first_changed_pos
&& (row->continued_p
- || row->exact_window_width_line_p)))
+ || row->exact_window_width_line_p))
+ /* If ROW->end is beyond ZV, then ROW->end is outdated and
+ needs to be recomputed, so don't consider this row as
+ unchanged. This happens when the last line was
+ bidi-reordered and was killed immediately before this
+ redisplay cycle. In that case, ROW->end stores the
+ buffer position of the first visual-order character of
+ the next row, which is now beyond ZV. */
+ && CHARPOS (row->end.pos) <= ZV)
row_found = row;
/* Stop if last visible row. */