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From: Eli Zaretskii <eliz@gnu.org>
To: Jim Porter <jporterbugs@gmail.com>
Cc: 59622@debbugs.gnu.org
Subject: bug#59622: 29.0.50; [PATCH] Regression in Eshell's handling of escaped newlines
Date: Mon, 05 Dec 2022 14:39:06 +0200	[thread overview]
Message-ID: <83359u9g9h.fsf@gnu.org> (raw)
In-Reply-To: <3d78b158-5fde-d4c0-0e9a-cb05e09bed6e@gmail.com> (message from Jim Porter on Sun, 4 Dec 2022 17:35:30 -0800)

> Date: Sun, 4 Dec 2022 17:35:30 -0800
> Cc: 59622@debbugs.gnu.org
> From: Jim Porter <jporterbugs@gmail.com>
> 
> On 12/3/2022 11:26 PM, Eli Zaretskii wrote:
> >> Date: Sat, 3 Dec 2022 17:41:50 -0800
> >> From: Jim Porter <jporterbugs@gmail.com>
> >>
> >> Eli, since this is a regression from Emacs 28 (likely fallout from one
> >> of my changes to fix some longstanding bugs with quotes in Eshell),
> >> would my current patch be ok on the release branch?
> > 
> > Yes, but please do try to make it as safe as is feasible.
> 
> Thanks. How does this look? I just simplified the change in 
> 'eshell-parse-backslash' so that the only difference is an extra 
> conditional (plus whitespace changes).

Looks good, thanks.  One comment:

> +When you escape a character with @code{\} outside of quotes, the
> +result is the literal character immediately following it, so
> +@samp{\$10} means the literal string @code{$10}.  Inside of
> +double quotes, the result is the literal character following it if
> +that character is special, or the full @code{\@var{c}} sequence
> +otherwise; inside double-quotes, @code{\}, @code{"}, and @code{$} are
> +considered special.

The last sentence is very unclear, please try saying what you need in a
clearer way, and/or maybe add a couple of examples.





  reply	other threads:[~2022-12-05 12:39 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-27  0:36 bug#59622: 29.0.50; [PATCH] Regression in Eshell's handling of escaped newlines Jim Porter
2022-11-27  0:42 ` Jim Porter
2022-12-04  1:41 ` Jim Porter
2022-12-04  7:26   ` Eli Zaretskii
2022-12-05  1:35     ` Jim Porter
2022-12-05 12:39       ` Eli Zaretskii [this message]
2022-12-07  4:18         ` Jim Porter
2022-12-07 13:34           ` Eli Zaretskii
2022-12-07 17:57             ` Jim Porter
2022-12-07 18:10               ` Eli Zaretskii
2022-12-08  5:47                 ` Jim Porter
2022-12-09  0:59                   ` Jim Porter

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