Variable: so-long-function
so-long-function is a buffer-local variable defined in so-long.el.gz.
Documentation
The function called by so-long.
This should be set in conjunction with so-long-revert-function(var)/so-long-revert-function(fun). This usually
happens automatically, based on the value of so-long-action.
The specified function will be called with no arguments, after which
so-long-hook runs.
Source Code
;; Defined in /usr/src/emacs/lisp/so-long.el.gz
(defvar-local so-long-function nil
"The function called by `so-long'.
This should be set in conjunction with `so-long-revert-function'. This usually
happens automatically, based on the value of `so-long-action'.
The specified function will be called with no arguments, after which
`so-long-hook' runs.")