Re: toggling a minor mode should not tell Customize that the value has been set

[Stefan Monnier]

>> > Putting `customize-customized' on `kill-emacs-query-functions'
>> > is analogous to Emacs telling you that you have unsaved modified
>> > buffers, and asking if you want to quit anyway and lose your
>> > changes. Toggling a mode variable is not an act of customization;
>> > there is no loss if you exit without saving the latest value.
>> 
>> There is.  Suppose you have done "set for current session only" and some
>> action changes this to "CHANGED outside Customize; operating on it here
>> may be unreliable".  When you now exit Emacs you will _not_ get warned
>> that you have unsaved customizations.

> Fair enough.  Would you then change all commands that change option
> values so that they too tell Customize that the value has been
> customized?

Yes, I think they should, whenever possible.

> Would you somehow make sure that not only commands but all
> Lisp code does the same thing?

The "whenever possible" is key.


        Stefan