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bug#28795: 25.2; UTF-8 language environment causes extreme sluggishness
From: |
Eli Zaretskii |
Subject: |
bug#28795: 25.2; UTF-8 language environment causes extreme sluggishness |
Date: |
Thu, 12 Oct 2017 12:31:22 +0300 |
> From: Mark Laws <mdl@60hz.org>
> Date: Thu, 12 Oct 2017 18:15:53 +0900
>
> M-x set-language-environment UTF-8
On Windows, doing this is a mistake (but not because it causes
sluggish redisplay).
> M-: (insert #x2207)
>
> Then hold down C-o until you have a bunch of empty lines, and start moving
> around the buffer with the usual movement keys. You will notice it is very,
> very slow. Then delete the character from the buffer, and notice how things
> are
> fast again.
I cannot reproduce this here. What font is used to display that
character? You can find this out with "C-u C-x =" with the cursor on
the character.
On my system, I have the Symbola font installed, which is used for
displaying this character, and the problem doesn't happen.
As another thing to try, set inhibit-compacting-font-caches to a
non-nil value, and see if that helps.
- bug#28795: 25.2; UTF-8 language environment causes extreme sluggishness, Mark Laws, 2017/10/12
- bug#28795: 25.2; UTF-8 language environment causes extreme sluggishness,
Eli Zaretskii <=
- Message not available
- bug#28795: 25.2; UTF-8 language environment causes extreme sluggishness, Eli Zaretskii, 2017/10/12
- bug#28795: 25.2; UTF-8 language environment causes extreme sluggishness, Mark Laws, 2017/10/12
- bug#28795: 25.2; UTF-8 language environment causes extreme sluggishness, Eli Zaretskii, 2017/10/12
- bug#28795: 25.2; UTF-8 language environment causes extreme sluggishness, Mark Laws, 2017/10/12
- bug#28795: 25.2; UTF-8 language environment causes extreme sluggishness, Eli Zaretskii, 2017/10/12