> > I do not understand what you have in mind with write-file. This creates
a
> > copy, which is natural given the name. Do you envision some changes to
it?
>
> Not sure what happened, but my first answer said:
>
>     so maybe we could instead have `C-x C-w` prompt the user
>     "delete the old file (y or n)?"

It seems like you are proposing a way to copy a file and then delete
the original. This is not the same as *moving* it.