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

[Stefan Monnier]

> I was about to post a reply but Yuri already answered, so I'll only add
> a pointer to an official reference about this topic:
> https://docs.microsoft.com/en-us/dotnet/standard/io/file-path-formats

Emacs only has `default-directory` to keep track of the "current
directory" so it has no notion of having a different "current directory"
on every "drive".

So I think a $HOME of "z:" should be converted early on to
"z:/<something>" and after that, "p:" can only be interpreted by Emacs
as "p:/"


        Stefan