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Improve the heuristic for long lines detection again.

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* src/xdisp.c (redisplay_window): Improve the heuristic again.
This commit is contained in:
Gregory Heytings 2022-07-19 13:33:38 +00:00
parent 7dcea5a428
commit 9a894206f6
1 changed files with 3 additions and 1 deletions
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src/xdisp.c
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@ -19294,7 +19294,9 @@ redisplay_window (Lisp_Object window, bool just_this_one_p)
/* Check whether the buffer to be displayed contains long lines. */
if (!NILP (Vlong_line_threshold)
&& !current_buffer->long_line_optimizations_p
&& Z - BEG - BUF_UNCHANGED_SIZE (current_buffer) <= 1)
&& (MODIFF - UNCHANGED_MODIFIED > 4
|| Z - BEG - BUF_UNCHANGED_SIZE (current_buffer) > 1
|| Z - BEG - BUF_UNCHANGED_SIZE (current_buffer) < -1))
{
ptrdiff_t cur, next, found, max = 0;
for (cur = 1; cur < Z; cur = next)