GNU bug report logs - #55315
[elpa/csv-mode] [PATCH] CSV separator guessing

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From: Simen Heggestøyl <simenheg <at> runbox.com>
To: Mattias Engdegård <mattiase <at> acm.org>
Cc: 55315 <at> debbugs.gnu.org
Subject: bug#55315: [elpa/csv-mode] [PATCH] CSV separator guessing
Date: Mon, 09 May 2022 13:03:48 +0200

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Mattias Engdegård <mattiase <at> acm.org> writes:

> 8 maj 2022 kl. 21.31 skrev Simen Heggestøyl <simenheg <at> runbox.com>:
>
>> Am I right in thinking that the use of
>> `regexp-quote' in the `csv-set-separator' case gives the right result?
>
> Yes, I think so. `csv-set-separator` should probably escape the character in `csv--skip-chars`, however:
>
>   (setq-local csv--skip-chars (format "^\n%c" sep))
>
> should be
>
>   (setq-local csv--skip-chars (format "^\n\\%c" sep))
>
> I'm not sure if a separator can be chosen that needs escaping here but
> better be safe; who knows how the code will be used.

Ah, thanks, I misread the docstring of `skip-chars-forward':

  (but not at the end of a range; quoting is never needed there)

I somehow misinterpreted that as quoting not being necessary at the end
of the string fed to `skip-chars-forward'.

Updated patch with your proposed fix attached.

[0001-Add-CSV-separator-guessing-functionality.patch (text/x-diff, attachment)]

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