GNU bug report logs - #7617
24.0.50; `expand-file-name': removal of slashes

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Package: emacs;

Reported by: "Drew Adams" <drew.adams <at> oracle.com>

Date: Sat, 11 Dec 2010 21:49:02 UTC

Severity: normal

Found in version 24.0.50

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

Bug is archived. No further changes may be made.

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Message #56 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jason Rumney <jasonr <at> gnu.org>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#7617: 24.0.50; `expand-file-name': removal of slashes
Date: Mon, 13 Dec 2010 08:49:17 +0800

On 13/12/2010 02:03, Drew Adams wrote:
> In interactive use, `...//abc...' is treated as just `/abc...' by Emacs.

That is a convenient shortcut for interactive use.  For expand-file-name 
it could open security holes where filename input is coming from 
untrusted sources, so code wants to ensure that the files given are 
contained in a safe directory.

>>> Finally, I need the Emacs 20 behavior for this for some of my code.
>>>        
>> Can you describe the use-case where the old behavior is needed?
>>      
> No, and it is irrelevant.

And you have just made this report irrelevant too, as the developers can 
see no valid reason to make the change you are requesting.
This bug report was last modified 14 years and 158 days ago.

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