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bug#44564: 27.1; C-n in macros causes long delays
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From: |
Eli Zaretskii |
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Subject: |
bug#44564: 27.1; C-n in macros causes long delays |
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Date: |
Wed, 03 Feb 2021 20:19:24 +0200 |
> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Wed, 03 Feb 2021 18:58:47 +0100
> Cc: 44564@debbugs.gnu.org
>
> > (benchmark-run 100 (next-line)) ===> (0.28576279800000004 1
> > 0.025205666000000013)
> > (benchmark-run 100 (forward-line)) ===> (0.00010560799999999998 0 0.0)
> >
> > That's quite a significant difference between next-line and forward-line!
>
> Yup; `next-line' is a surprisingly complex function.
Only when line-move-visual is non-nil. If the OP's application
doesn't need that, the function will run much faster if
line-move-visual is bound to nil.