Re: [O] Bug: "Lisp error: (void-variable org-babel-tangle-lang-exts)" when loading languages at startup

[Achim Gratz]

Am 25.03.2013 01:41, schrieb Trevor Murphy:
> (add-to-list 'load-path "/home/trevor/.emacs.d/elpa/org-20130318/")

Don't do this with Org from ELPA, I don't think it will work.  Try 
'(package-initialize)' instead.

> Seems that the defvar counts for nothing? Perhaps because it's already a
> defcustom in ob-tangle.el? I don't understand emacs well enough to know,
> but I will say that inserting a "(require 'ob-tangle)" anywhere before the
> offending line "solves" the problem.

You are missing the autoloads and the defcustom definitions because the 
package hasn't been initialized.


Regards,
--
Achim.

(on the road :-)