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Re: [O] Documentation: Babel scheme support and geiser

From: Neil Jerram
Subject: Re: [O] Documentation: Babel scheme support and geiser
Date: Thu, 26 Jul 2018 08:41:21 +0100

Jarmo Hurri <address@hidden> writes:

> Greetings.
> I started doing some Schemeing in org,

Welcome to the club!

> and bumped into a couple of
> documentation issues I wanted to check / report.
> In short, I wonder whether
> 1. geiser should be listed as a scheme requirement in worg
> 2. ob-scheme.el should point to MELPA instead of ELPA for geiser.
> The long version
> ----------------
> First, worg lists no requirements for use of scheme
> https://orgmode.org/worg/org-contrib/babel/languages.html
> but typing C-c C-c in a scheme block gives error
> org-babel-execute-src-block: Symbol’s value as variable is void:
> geiser-default-implementation

Please note
https://www.mail-archive.com/address@hidden/msg116779.html.  I
believe that can be a runtime problem, i.e. to do with
require/autoloading, and maybe not an installation problem.

> Second, file ob-scheme.el tells me that
> ;; - for session based evaluation geiser is required, which is available from
> ;;   ELPA.
> However, neither the ELPA page
> https://elpa.gnu.org/packages/
> nor "M-x list-packages" list geiser as an available package.
> It does seem, however, that geiser _is_ available from MELPA

That sounds right to me; I've checked that my geiser is from MELPA.

> http://stable.melpa.org/#/geiser
> (or git directly).
> All the best,
> Jarmo

Best wishes,

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