GNU bug report logs - #65685
29.1; Inconsistent behavior of quoted file name "/:~" across platforms

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Message #28 received at 65685 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Jim Porter <jporterbugs <at> gmail.com>, 65685 <at> debbugs.gnu.org
Subject: Re: bug#65685: 29.1; Inconsistent behavior of quoted file name
 "/:~" across platforms
Date: Sat, 14 Oct 2023 09:48:25 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

Hi Eli,

> The added test fails on MS-Windows:
>
>   Test files-tests-file-name-non-special-expand-file-name-tilde condition:
>       (ert-test-failed
>        ((should
> 	 (equal
> 	  (expand-file-name nospecial)
> 	  (expand-file-name ...)))
> 	:form
> 	(equal "/:c:/Documents and Settings/Zaretzky/Local Settings/Temp/files-testsvIKNPk/files-testse2cUFY" "c:/Documents and Settings/Zaretzky/Local Settings/Temp/files-testsvIKNPk/files-testse2cUFY")
> 	:value nil :explanation
> 	(arrays-of-different-length 92 90 "/:c:/Documents and Settings/Zaretzky/Local Settings/Temp/files-testsvIKNPk/files-testse2cUFY" "c:/Documents and Settings/Zaretzky/Local Settings/Temp/files-testsvIKNPk/files-testse2cUFY" first-mismatch-at 0)))
>
> I tried to understand the idea of the change, or even the actual root
> cause of the problem, but couldn't find that in the discussion or the
> code.  It doesn't help that file-name-non-special has no doc string
> and no documentation I could find about what it's supposed to do.
>
> Let's please discuss this now, because I tend just to revert the
> change on the emacs-29 branch, as it's too late there for untested
> ideas for obscure problems.

Please give me a day to check the situation on MS Windows. I don't
believe the change would hurt Emacs 29 in any way, handling "/:~"
doesn't happen in real life I believe. It is just a preparation for a
planned change in Eshell.

I know, "Famous last words" and alike ...

Best regards, Michael.

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