From 87c352eee2c308dc9ac87239c4d745b84f269132 Mon Sep 17 00:00:00 2001 From: Eric Schulte Date: Sun, 9 Aug 2009 19:01:06 -0600 Subject: [PATCH] PROPOSED require users to explicitly turn on each language I'd be interested to hear feedback on this... While I don't want to increase the burden of instillation I don't see any other option --- org-babel.org | 39 ++++++++++++++++++++++++++++++++++++++- 1 file changed, 38 insertions(+), 1 deletion(-) diff --git a/org-babel.org b/org-babel.org index 36746f4d..5a9b3839 100644 --- a/org-babel.org +++ b/org-babel.org @@ -2744,7 +2744,44 @@ dot("$(2a,0)$",(2,0),N+E); * Bugs [32/40] -** TODO export problems when support for a language is missing +** PROPOSED require users to explicitly turn on each language +As we continue to add more languages to org-babel, many of which will +require new major-modes we need to re-think how languages are added to +org-babel. + +Currently we are requiring all available languages in the +[[file:lisp/org-babel-init.el][org-babel-init.el]] file. I think we need to change this to a user +setting so that only the language which have their requirements met +(in terms of system executables and emacs major modes) are loaded. It +is one more step for install, but it seems to me to be the only +solution. Thoughts? + +*** proposed + +we add something like the following to the instillation instructions + +#+begin_src emacs-lisp +;; Uncomment each of the following require lines if you want org-babel +;; to support that language. Each language has a comment explaining +;; it's dependencies. See the related files in lisp/langs for more +;; detailed explanations of requirements. +;; +;; (require 'org-babel-ruby) ;; inf-ruby mode, ruby and irb must be installed on your system +;; (require 'org-babel-python) ;; python-mode +;; (require 'org-babel-R) ;; ess-mode +;; (require 'org-babel-gnuplot) ;; gnuplot-mode +;; (require 'org-babel-dot) ;; dot be installed on your system +;; (require 'org-babel-asymptote) ;; asymptote be installed on your system +;; (require 'org-babel-ditaa) ;; ditaa be installed on your system +;; (require 'org-babel-sql) ;; none +;; (require 'org-babel-css) ;; none +#+end_src + +note that =org-babel-sh=, =org-babel-emacs-lisp=, and + are not included in the list as they can safely be +assumed to work on any system. + +*** impetus we should come up with a way to gracefully degrade when support for a specific language is missing -- 2.11.4.GIT