allout-setup
allout-setup is an autoloaded compiled Lisp function in `allout.el
'.
(allout-setup)
Do fundamental Emacs session for allout auto-activation.
Establishes allout processing as part of visiting a file if
`allout-auto-activation' is non-nil, or removes it otherwise.
The proper way to use this is through customizing the setting of
`allout-auto-activation'.