bug#66394: 29.1; Make register-read-with-preview more useful

[Michael Heerdegen]

Thierry Volpiatto <thievol@posteo.net> writes:

> > * Multiple times I saw "contains no text" where a better hint would have
> >   been to say "empty".  Not all registers contain text.  Happens
> >   e.g. for C-x r SPC R where R is any unused register.
>
> Yes I used the message vanilla Emacs already use somewhere, but yes
> empty seems better.

Thanks.  In register.el I see a message like that only for text related
register commands.


Michael.