Re: RFC: omit some variables from custom-save-variables

[Stefan Monnier <monnier@iro.umontreal.ca>]

>>> The proposal is for use-package to apply the save-exemptions symbol
>>> property behind the scenes. This is a new symbol property. 
> SM> Hmm... my reflex would have been to make use-package use something like
> SM>     (funcall (or (get variable 'custom-set) #'set-default) variable value)
> SM> instead of whichever other way it currently uses to set the variable.
> Does that omit the variable from the custom.el file?

Yes, as should be obvious at least in the case where it falls back on `set-default`.

> SM> Could you describe what would be the advantage of introducing a new
> SM> symbol property?
> Soft migration, no unexpected behavior, everything works like it does today.

I was thinking compared to the approach I showed.
I'm not favoring either of them, I'm just trying to better understand
the trade-offs.


        Stefan