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bug#57207: 29.0.50; Fontification is slow after e7b5912b23 (Improvements


From: Lars Ingebrigtsen
Subject: bug#57207: 29.0.50; Fontification is slow after e7b5912b23 (Improvements to long lines handling)
Date: Sun, 21 Aug 2022 15:37:02 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

Gregory Heytings <gregory@heytings.org> writes:

>>  (flyspell-mode)
>>  (insert "\n\n"
>>        (propertize (make-string 20000 ?x) 'display "foo")
>>        "\n\nbar\nzot\n")
>>  (goto-char (point-min)))
>>
>> Then type `d'.  Everything after "foo" disappears.
>>
>
> It doesn't, here :(  Strange...

Does flyspell-mode actually work for you, then?  Try `M-x flyspell-mode'
in "emacs -Q" and see what happens.





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