From: "N. Raghavendra" <nyraghu27132@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: org-babel-do-load-languages
Date: Thu, 03 May 2018 19:24:35 +0530 [thread overview]
Message-ID: <876044q1yc.fsf@gmail.com> (raw)
In-Reply-To: <87zi1gsx9i.fsf@gmail.com> (Aaron Ecay's message of "Thu, 03 May 2018 14:07:37 +0100")
At 2018-05-03T14:07:37+01:00, Aaron Ecay wrote:
> Itʼs an unusual function indeed. Thatʼs because it is used as the :set
> function for the defcustom org-babel-load-languages; see the info
> documentation (info "(elisp) Variable Definitions").
Thank you for explaining. I still think it would be better to avoid
unexplained parameters in the user-level function
org-babel-do-load-languages. I wonder if something like
------------------------------------------------------------
(defun org-babel-do-load-languages (languages)
"Load languages as specified by LANGUAGES.
LANGUAGES must be a list, each element of which is of the form
(LANG . ACTIVE), where LANG is the identifier of a supported
language, and ACTIVE is either t, for loading LANG, or nil, for
unloading LANG. For a list of the supported languages and their
identifiers, see the Info node `(Org)Languages'."
(setq-default org-babel-load-languages languages)
(dolist (pair org-babel-load-languages)
(let ((active (cdr pair)) (lang (symbol-name (car pair))))
(if active
(require (intern (concat "ob-" lang)))
(funcall 'fmakunbound
(intern (concat "org-babel-execute:" lang)))
(funcall 'fmakunbound
(intern (concat "org-babel-expand-body:" lang)))))))
(defcustom org-babel-load-languages '((emacs-lisp . t))
...
:set #'(lambda (sym value)
(ignore sym)
(org-babel-do-load-languages value))
...)
------------------------------------------------------------
looks reasonable.
Raghu.
--
N. Raghavendra <raghu@hri.res.in>, http://www.retrotexts.net/
Harish-Chandra Research Institute, http://www.hri.res.in/
next prev parent reply other threads:[~2018-05-03 13:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-03 11:19 org-babel-do-load-languages N. Raghavendra
2018-05-03 11:38 ` org-babel-do-load-languages N. Raghavendra
2018-05-03 13:07 ` org-babel-do-load-languages Aaron Ecay
2018-05-03 13:54 ` N. Raghavendra [this message]
[not found] ` <87in84rfim.fsf@gmail.com>
2018-05-04 2:38 ` org-babel-do-load-languages N. Raghavendra
2018-05-03 19:58 ` org-babel-do-load-languages Nicolas Goaziou
2018-05-04 2:31 ` org-babel-do-load-languages N. Raghavendra
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