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

[Eli Zaretskii]

> From: Yuri Khan <address@hidden>
> Date: Wed, 12 Dec 2018 20:19:55 +0700
> Cc: Emacs developers <address@hidden>, Paul Eggert <address@hidden>, 
>       Eli Zaretskii <address@hidden>
> 
> On Wed, Dec 12, 2018 at 7:43 PM João Távora <address@hidden> wrote:
> 
> > 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.
> 
> As a former Windows user, I’d say both are wrong.
> 
> Setting HOME="z:" says “Whichever is the current directory on drive Z

Emacs doesn't support drive-relative file names on Windows.  It never
did.  It always interpreted "x:" as the root directory on drive x.