org-src-mode
org-src-mode is an interactive compiled Lisp function in `org-src.el
'.
(org-src-mode &optional ARG)
Minor mode for language major mode buffers generated by org.
This minor mode is turned on in two situations:
- when editing a source code snippet with "C-c '".
- When formatting a source code snippet for export with htmlize.
There is a mode hook, and keybindings for `org-edit-src-exit' and
`org-edit-src-save'