"Toggle Global Font Lock mode.
When Global Font Lock mode is enabled, Font Lock mode is automagically
turned on in a buffer if its major mode is one of `font-lock-global-modes'.
-You must modify via \\[customize] for this variable to have an effect."
+This variable should be set only with \\[customize], which is equivalent
+to using the function `global-font-lock-mode'.
:set (lambda (symbol value)
(global-font-lock-mode (or value 0)))
:type 'boolean