bug#39389: 27.0.60; A couple of bugs messing with minibuffer completion of /sudo::

[Jimmy Yuen Ho Wong]

On 02/02/2020 15:47, Michael Albinus wrote:
> I've tried this one. I've got exactly the same minibuffer contents. BUT
> a simple backspace has removed everything, and it has shown just '/' .
>
This is exactly the problem. Backspace removes the whole "sudo:/", and
putting it back into the prompt, then RET just creates a directory
called `sudo:`. There's no way to enter the full Tramp syntax using ido
with ido-enable-tramp-completion off.