Re: 900276502f..: Paul Eggert 2018-11-13 Act like POSIX sh if $HOME is relative

[Eli Zaretskii]

> From: "João Távora" <address@hidden>
> Date: Wed, 12 Dec 2018 12:42:30 +0000
> 
> With HOME="z:", it used to be that (expand-file-name "~/blabla")
> returned "z:/blabla" but now it returns
> "z:/source/emacs/emacs/src/z:/blabla", which is not a valid Windows
> pathname.

That's a regression that should be fixed.

> All of this can be fixed by me by setting HOME to "z:/", but
> unfortunately I am breaking other applications that expected it
> slash-less.

Those other applications have a bug as well, so I urge you to fix that
or find some fixed version of them.

> An alternative would be:

I see no reason for alternatives, we just need to fix the regression.