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From: "Elias Mårtenson" <lokedhs@gmail.com>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: emacs-devel <emacs-devel@gnu.org>
Subject: Re: About column numbers
Date: Sun, 3 Apr 2016 00:29:10 +0800	[thread overview]
Message-ID: <CADtN0W+eax-pPtn5cxhLOubyjiV_s3Cr5MrfSkVhGm4Chm9t8w@mail.gmail.com> (raw)
In-Reply-To: <jwv8u0y49bt.fsf-monnier+gmane.emacs.devel@gnu.org>

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On 1 April 2016 at 05:39, Stefan Monnier <monnier@iro.umontreal.ca> wrote:

> >> (it would break some code, but most of it is already fundamentally
> >> broken because it should use `point-min` rather than hardcoding 1, so
> >> it's not *that* terrible).
> > Amusingly, always using (point-min) also leads to interesting bugs.
>
> Oh yes.  Along with the "hard narrowing" discussion, it would be good to
> have a way to get the "external point-min".  Currently the only portable
> way (short of hardcoding 1) is via (save-restriction (widen)
> (point-min)) which is rather round-about and inefficient.


I have done this on occasions. Are there any cases where the save/widen
dance actually gives a result which is not 1?

Regards,
Elias

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  reply	other threads:[~2016-04-02 16:29 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-29 22:33 About column numbers Angelo Graziosi
2016-03-30  5:43 ` psachin
2016-03-30 15:21 ` Eli Zaretskii
2016-03-30 17:28   ` Angelo Graziosi
2016-03-30 17:46     ` Drew Adams
2016-04-03 23:15       ` John Wiegley
2016-03-30 18:02     ` Yuri Khan
2016-03-30 18:18       ` Andreas Schwab
2016-03-30 18:37         ` Yuri Khan
2016-03-30 18:56           ` Andreas Schwab
2016-03-30 19:17             ` Yuri Khan
2016-03-31 12:50               ` Stefan Monnier
2016-03-31 16:44                 ` Clément Pit--Claudel
2016-03-31 21:39                   ` Stefan Monnier
2016-04-02 16:29                     ` Elias Mårtenson [this message]
2016-04-02 20:19                       ` Stefan Monnier

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