> I don't know if "S =>" imply that [1] we actually read
> the values from the
> custom-file (e.g. .emacs) or if [2] it just restores the
> value that was
> initially read from that file, or [3] the last value that
> was written by this emacs to that file.
>
> What is the difference between [1] and [3]?
If custom-file is updated by another emacs instance, [1] != [3].
Thanks. I didn't pay attention to the "this emacs".
Since we're dealing with a file (persistence), I would think that [1] would
be the best approach. (I don't know either what we do currently.)
> If it implies reading from the file, this could be used to load
> values from a diffent custom-file (to see what they are) before
> actually using them.
>
> No way to do that has yet been proposed. S=>F means to get
> the values from
> the custom-set* in the user's .emacs (custom file). There is
> currently no
> way to designate a different library to use as the source of `saved'
> settings.
M-: (setq custom-file "X")
M-x customize
do some editing
save (into X)
M-: (setq custom-file "Y")
get (from ?)
Question is "from X" or "from Y"?
Good point. I would think it should be Y.
In any case, we should tell the user just what will happen (with a
dynamically defined tooltip? "Get values from file `Y'") and echo what did
actually happen with a message ("Values read from file `Y'").
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