font-lock-mode-hook

font-lock-mode-hook is a variable defined in `font-core.el'.
Its value is

(font-lock-mode-set-explicitly)

• This variable may be risky if used as a file-local variable.

Documentation:
Hook run after entering or leaving `font-lock-mode'.
No problems result if this variable is not bound.
`add-hook' automatically binds it. (This is true for all hook variables.)