Variable: display-fill-column-indicator-mode-hook
display-fill-column-indicator-mode-hook is a customizable variable
defined in display-fill-column-indicator.el.gz.
Value
(display-fill-column-indicator-mode--set-explicitly(var)/display-fill-column-indicator-mode--set-explicitly(fun))
Documentation
Hook run after entering or leaving display-fill-column-indicator-mode(var)/display-fill-column-indicator-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/display-fill-column-indicator.el.gz