Re: find-file-hook as illustration of Custom problems

[Lennart Borgman]

----- Original Message ----- 
From: "Richard Stallman" <address@hidden>

>     I guess that Custom could use an internal custom-list-var for every
>     list-var.  Everything specified in the definition of the defcustom
>     should be in custom-list-var and hence, removable.
>
> The symbol property that records the value according to Custom
> can serve this purpose.  Instead of saying "Changed outside Custom",
> it can diff the two values to determine which elements were added
> outside Custom and which were added within it.
>
> After Custom is used to change the latter set, it can merge the two
> sets.

Maybe we should not forget that this symbol property according to Per A is a
valuable tool to find errors in the handling of defcustom symbols. Perhaps
that possibility can be retained by adding a new property corresponding to
the users added part?