From: Eli Zaretskii <eliz@gnu.org>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: contovob@tcd.ie, emacs-devel@gnu.org
Subject: Re: Searching for line beginning
Date: Mon, 15 Aug 2022 14:29:45 +0300 [thread overview]
Message-ID: <83lerpiw2e.fsf@gnu.org> (raw)
In-Reply-To: <87bksmf7vu.fsf@gnus.org> (message from Lars Ingebrigtsen on Mon, 15 Aug 2022 06:28:05 +0200)
> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: contovob@tcd.ie, emacs-devel@gnu.org
> Date: Mon, 15 Aug 2022 06:28:05 +0200
>
> By the way, I see that Fline_beginning_position/end have grown field
> capabilities while I wasn't looking (in 2000). I.e., they call
> Fconstrain_to_field, which is a pretty complex function.
You can disable that by binding inhibit-field-text-motion.
> The field stuff only makes sense in user-oriented buffers, while we use
> line-end-position extensively in Emacs to parse buffers in general --
> but we get this field penalty throughout Emacs.
line-beginning-position is also needed in handling UI, so it needs to
serve double duty. If the application doesn't need to cater to
fields, it can disable that, see above.
next prev parent reply other threads:[~2022-08-15 11:29 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-13 15:43 Searching for line beginning Eli Zaretskii
2022-08-13 16:20 ` Stefan Monnier
2022-08-13 17:58 ` Eli Zaretskii
2022-08-14 12:54 ` Eli Zaretskii
2022-08-14 15:33 ` Basil L. Contovounesios
2022-08-14 15:36 ` Eli Zaretskii
2022-08-14 15:43 ` Lars Ingebrigtsen
2022-08-14 15:48 ` Eli Zaretskii
2022-08-15 4:28 ` Lars Ingebrigtsen
2022-08-15 11:29 ` Eli Zaretskii [this message]
2022-08-15 11:37 ` Lars Ingebrigtsen
2022-08-15 12:00 ` Eli Zaretskii
2022-08-17 2:49 ` Richard Stallman
2022-08-17 10:41 ` Lars Ingebrigtsen
2022-08-17 11:48 ` Eli Zaretskii
2022-08-17 11:52 ` Stefan Monnier
2022-08-18 12:37 ` Lars Ingebrigtsen
2022-08-14 17:24 ` Stefan Monnier
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