From 368c7c7d8e4291bbfd5d9071333990645fb73254 Mon Sep 17 00:00:00 2001 From: Eli Zaretskii Date: Fri, 2 Dec 2022 00:07:53 +0200 Subject: [PATCH] Improve detection of very long lines * src/xdisp.c (redisplay_window): Recheck for long lines if the restriction has changed. (Bug#56682) --- src/xdisp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/xdisp.c b/src/xdisp.c index 171c6ccaa02..255851b9213 100644 --- a/src/xdisp.c +++ b/src/xdisp.c @@ -19535,7 +19535,8 @@ 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 - && CHARS_MODIFF - CHARS_UNCHANGED_MODIFIED > 8) + && (CHARS_MODIFF - CHARS_UNCHANGED_MODIFIED > 8 + || current_buffer->clip_changed)) { ptrdiff_t cur, next, found, max = 0, threshold; threshold = XFIXNUM (Vlong_line_threshold); -- 2.39.5