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Improve detection of very long lines

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* src/xdisp.c (redisplay_window): Recheck for long lines if the
restriction has changed.  (Bug#56682)
This commit is contained in:
Eli Zaretskii 2022-12-02 00:07:53 +02:00
parent 9c58ea37af
commit 368c7c7d8e
1 changed files with 2 additions and 1 deletions
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src/xdisp.c
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@ -19535,7 +19535,8 @@ redisplay_window (Lisp_Object window, bool just_this_one_p)
/* Check whether the buffer to be displayed contains long lines. */ /* Check whether the buffer to be displayed contains long lines. */
if (!NILP (Vlong_line_threshold) if (!NILP (Vlong_line_threshold)
&& !current_buffer->long_line_optimizations_p && !current_buffer->long_line_optimizations_p
&& CHARS_MODIFF - CHARS_UNCHANGED_MODIFIED > 8) && (CHARS_MODIFF - CHARS_UNCHANGED_MODIFIED > 8
|| current_buffer->clip_changed))
{ {
ptrdiff_t cur, next, found, max = 0, threshold; ptrdiff_t cur, next, found, max = 0, threshold;
threshold = XFIXNUM (Vlong_line_threshold); threshold = XFIXNUM (Vlong_line_threshold);