bug#26911: 25.2; eshell "cd .." doesn't work correctly with TRAMP

[Paul Eggert]

On 8/27/20 11:31 AM, Mattias Engdegård wrote:
> No doubt the change (14fb657ba82) is fine in isolation, but now if Emacs is started from 
> $HOME/somedir and I do find-file, the minibuffer prompt is "/home/mattias/somedir/" 
> instead of "~/somedir/" which does not seem to be an improvement.
>
> Worse, if cwd is $HOME, the minibuffer prompt becomes "~" instead of "~/" which 
> is inconvenient since that slash has to be typed explicitly.

Thanks for reporting that. Sigh, too often when I fix one bug in 
expand-file-name I introduce another. I installed the attached patch to fix this 
bug (I and I hope it doesn't introduce yet another :-).

0001-Fix-recently-introduced-expand-file-name-bug.patch
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