Re: Editing Scheme in the installation image

[Kei Kebreau <kei@openmailbox.org>]

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ludo@gnu.org (Ludovic Courtès) writes:

> Hello Guix!
>
> One issue that’s often reported is that it’s inconvenient to edit the
> config file with all its parentheses in the installation image given the
> available options (Zile, Nano, and nvi).
>
> Something like Paredit and ‘show-paren-mode’ in Emacs would help avoid
> mistakes such as unbalanced parenthesis.  However ‘emacs-minimal’ takes
> 180 MiB and it would be unreasonable to include it.
>
> So I figured we could use Zile-on-Guile¹ (yes!) and extend it to have
> something that resembles Paredit, like:
>
> ;; Poor developer’s Paredit.
>
> (define (paredit-open-paren)
>   (insert "()")
>   (backward-char))
>
> (define (paredit-close-paren)
>   (unless (search-forward ")")
>     (insert ")")))
>
> (set-key "(" 'paredit-open-paren)
> (set-key ")" 'paredit-close-paren)
>
>
> Of course, it takes more than these few lines to write a real Paredit,
> but still, wouldn’t it be cool?  :-)
>
> What do people (Mike in particular!) think?
>
> Ludo’.
>
> ¹ https://www.gnu.org/software/guix/packages/z.html#zile-on-guile
>
> PS: The closure of Zile-on-Guile is 103 MiB, but Zile-on-Guile itself is
>     only 400K and its dependencies are already in the installation
>     image.

This sounds useful! Provided that everything is stable in Zile-on-Guile,
I'm for this inclusion.

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