Re: plist-put: destructive?

[Stefan Monnier]

> So what's the ambiguity? Are there circumstances where a simple
> plist-put isn't going to modify the original plist?

Yes, when the plist is empty.
BTW, in recent Emacsen, you can use

    (setf (alist-get K AL) V)

and it works even when the alist is nil (but it requires AL to be
a valid *place* rather than an arbitrary expression).  You could make
something similar for plist-get.


        Stefan