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| author | Gerd Moellmann <gerd@gnu.org> | 2001-09-18 10:30:35 +0000 |
|---|---|---|
| committer | Gerd Moellmann <gerd@gnu.org> | 2001-09-18 10:30:35 +0000 |
| commit | 2490476db23cd666d3ec61bd7dd5d51c64bb245c (patch) | |
| tree | 00f99621eef6d2b52b3778313b6e2337a3ac1c4c | |
| parent | 738830eb1d664b1da45a99c6cf8a405f59d8e72d (diff) | |
| download | emacs-2490476db23cd666d3ec61bd7dd5d51c64bb245c.tar.gz | |
(try_window_id) [!GLYPH_DEBUG]: Give up if
first_unchanged_at_end_row is in front of
last_unchanged_at_beg_row. This code should be removed after the
release of 21.1.
| -rw-r--r-- | src/xdisp.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/xdisp.c b/src/xdisp.c index a3ac927f785..df8720ee0e8 100644 --- a/src/xdisp.c +++ b/src/xdisp.c @@ -11491,8 +11491,23 @@ try_window_id (w) stop_pos = 0; if (first_unchanged_at_end_row) { +#if GLYPH_DEBUG xassert (last_unchanged_at_beg_row == NULL || first_unchanged_at_end_row >= last_unchanged_at_beg_row); +#else + /* This is for the release of 21.1 only, and should be removed + after the release. + + This case means that unchanged information is probably bogus, + which leads to being unable to compute a correct + first_unchanged_at_end_row. At least that was the case in + one debugging session. I've fixed a bug that can lead to + wrong unchanged info, but didn't find a way to reproduce this + case. 2001-09-18 gerd. */ + if (last_unchanged_at_beg_row + && first_unchanged_at_end_row < last_unchanged_at_beg_row) + GIVE_UP (20); +#endif /* If this is a continuation line, move forward to the next one that isn't. Changes in lines above affect this line. |