- Removed the org-babel-tangle-langs variable.
- Added the org-babel-tangle-lang-exts alist for associating
languages with file extensions
- Comments now only added when the :comments header argument is set
to yes
* lisp/babel/ob-tangle.el (org-babel-tangle-w-comments):
this is now a defcustom
(org-babel-tangle-lang-exts): alist associating languages with file
extension, this is also a defcustom
(org-babel-spec-to-string): no longer using the complex tangle-lang
variables