bug#26272: default-directory: Remark that it must be a directory name

[Andreas Schwab]

On Mär 28 2017, Tino Calancha <tino.calancha@gmail.com> wrote:

> On Tue, 28 Mar 2017, Eli Zaretskii wrote:
>
>>> From: Tino Calancha <tino.calancha@gmail.com>
>>> Date: Tue, 28 Mar 2017 10:54:36 +0900 (JST)
>>> cc: Eli Zaretskii <eliz@gnu.org>, Tino Calancha <tino.calancha@gmail.com>,
>>>     26272@debbugs.gnu.org
>>>
>>> III) Wrong
>>> M-x cd RET /tmp// RET
>>> M-: (default-directory) RET
>>> => "/"
>>
>> Why is this wrong?  It's a standard Emacs feature.
> I don't think is wrong, indeed is consistent with the behaviour
> in Bug#21454.
> I was just a bit sorprise that the result is different in
> interactive calls compared with:
> M-: (cd "/tmp//") RET
> M-: (default-directory) RET
> => "/tmp/"

substitute-in-file-name is a feature of reading the argument
interactively, before the argument is passed to the command.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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