[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: master f117b5df4d: Add new functions eol and bol
From: |
Eli Zaretskii |
Subject: |
Re: master f117b5df4d: Add new functions eol and bol |
Date: |
Sat, 20 Aug 2022 09:21:23 +0300 |
> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: emacs-devel@gnu.org
> Date: Fri, 19 Aug 2022 23:49:07 +0200
>
> By the way, I wasn't quite aware of how DWIM-ey the `end-of-line'
> function is. It also does the field stuff, but then:
>
> while (1)
> {
> newpos = XFIXNUM (Fline_end_position (n));
> SET_PT (newpos);
>
> if (PT > newpos
> && FETCH_BYTE (PT_BYTE - 1) == '\n')
> {
> /* If we skipped over a newline that follows
> an invisible intangible run,
> move back to the last tangible position
> within the line. */
>
> SET_PT (PT - 1);
> break;
> }
> else if (PT > newpos && PT < ZV
> && FETCH_BYTE (PT_BYTE) != '\n')
> /* If we skipped something intangible
> and now we're not really at eol,
> keep going. */
> n = make_fixnum (1);
> else
> break;
> }
>
> Now, the `C-e' command (`move-end-of-line') is another layer of
> DWIM-ness on top of this...
Many commands are DWIM-ish, so the above shouldn't be a surprise.
> I guess these things have evolved over time.
See this old discussion:
https://lists.gnu.org/archive/html/emacs-devel/2002-04/msg00407.html
Re: master f117b5df4d: Add new functions eol and bol, Lars Ingebrigtsen, 2022/08/19
- Re: master f117b5df4d: Add new functions eol and bol, Stefan Kangas, 2022/08/19
- Re: master f117b5df4d: Add new functions eol and bol, Lars Ingebrigtsen, 2022/08/19
- Re: master f117b5df4d: Add new functions eol and bol,
Eli Zaretskii <=
- Re: master f117b5df4d: Add new functions eol and bol, Stefan Monnier, 2022/08/20
- Re: master f117b5df4d: Add new functions eol and bol, Stefan Kangas, 2022/08/21
- Re: master f117b5df4d: Add new functions eol and bol, Lars Ingebrigtsen, 2022/08/22
- Re: master f117b5df4d: Add new functions eol and bol, Stefan Kangas, 2022/08/22
- Re: master f117b5df4d: Add new functions eol and bol, Po Lu, 2022/08/22
- Re: master f117b5df4d: Add new functions eol and bol, Stefan Monnier, 2022/08/23
- Re: master f117b5df4d: Add new functions eol and bol, Richard Stallman, 2022/08/23
- Re: master f117b5df4d: Add new functions eol and bol, Po Lu, 2022/08/24
- Re: master f117b5df4d: Add new functions eol and bol, Stefan Monnier, 2022/08/24
Re: master f117b5df4d: Add new functions eol and bol, Po Lu, 2022/08/20