Variable: delete-trailing-whitespace-mode-hook
delete-trailing-whitespace-mode-hook is a customizable variable
defined in simple.el.gz.
Value
nil
Documentation
Hook run after entering or leaving delete-trailing-whitespace-mode(var)/delete-trailing-whitespace-mode(fun).
No problems result if this variable is not bound.
add-hook automatically binds it. (This is true for all hook variables.)
Source Code
;; Defined in /usr/src/emacs/lisp/simple.el.gz