bug#62814: closed ([PATCH] Clarify substitute* docstring with an additional example)

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Your message dated Thu, 11 May 2023 14:38:56 +0200
with message-id <87ednn3uvz.fsf@gnu.org>
and subject line Re: bug#62814: [PATCH] Clarify substitute* docstring with an 
additional example
has caused the debbugs.gnu.org bug report #62814,
regarding [PATCH] Clarify substitute* docstring with an additional example
to be marked as done.

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--- Begin Message --- Subject: [PATCH] Clarify substitute* docstring with an additional example Date: Thu, 13 Apr 2023 11:44:11 +0000

Hello

I've created this little patch after wondering how to match (and substitute*) against end-of-line. My patch is based on

982698c52fb388e278dc4cec4b124406f23f102a.

Thanks for review and merge.

gabber

0001-guix-build-utils-Clarify-substitute-docstring-with-a.patch
Description: 0001-guix-build-utils-Clarify-substitute-docstring-with-a.patch

--- End Message ---

> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#62814: [PATCH] Clarify substitute* docstring with an additional example
>
>
>
>
> Date: 
>
> Thu, 11 May 2023 14:38:56 +0200
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux)
>
>
>
>
> Hi,
>
> "Wicki Gabriel (wicg)" <wicg@zhaw.ch> skribis:
>
> > From 5ae3c5512e85189a47c859c6128adfd3bfc63159 Mon Sep 17 00:00:00 2001
> > From: Gabriel Wicki <gabriel@erlikon.ch>
> > Date: Thu, 13 Apr 2023 10:31:57 +0200
> > Subject: [PATCH] guix: build: utils: Clarify substitute* docstring with an
> >  example.
> >
> > * guix/build/utils.scm (substitute*):  Add an example on how to match
> > end-of-line.
> > * doc/guix.texi (Build Utilities): Update the corresponding passage.
>
> [...]
>
> >  Be careful about using @code{$} to match the end of a line; by itself it
> > -won't match the terminating newline of a line.
> > +won't match the terminating newline of a line, e.g. to match a whole
> > +line ending with a backslash, one needs a regex like @code{"(.*)\\\\\n$"}.
>
> Applied with a minor tweak and without the (guix build utils) change,
> which would entail a world rebuild.
>
> Thanks!
>
> Ludo’.
>
>
> --- End Message ---