bug#69454: Not possible to insert an empty vtable

[Adam Porter]

On 3/14/24 04:37, Eli Zaretskii wrote:

> > So IMO, when inserting or reverting a vtable, vtable ought to check
> > whether the collection is empty; and if so, handle it gracefully,
> > meaning that an "empty vtable" (whatever that would mean; maybe just one
> > line of text saying that it's an empty collection) would still be
> > inserted, and that if the collection became non-nil, it could be
> > reverted and displayed properly.
>
> Thanks.  Would you or Eric like to submit a patch along these lines?

I'll put it on my Emacs to-do list, but I don't think I'll be able to 
make time for it anytime soon.