GNU bug report logs - #56532
27.2; Ido C-f in read-file-name inserts twice the initial name

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From: Tobias Bora <tobias.bora <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>, Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 56532 <at> debbugs.gnu.org
Subject: bug#56532: 27.2; Ido C-f in read-file-name inserts twice the initial name
Date: Thu, 14 Jul 2022 22:54:40 +0200

Yes, even if it's not supposed to work it would be cool to make it work 
as the current behavior seems to have not much logic.

Also, I can't find a way to change the folder without changing the file 
name… does Ido provide a way to change the folder without changing the 
file name? I tried to cut with Ctrl-k to paste it later, but it does not 
work, C-k just removes the text but does not copy it.

Thanks!

On 14/07/2022 20:23, Eli Zaretskii wrote:
>> From: Lars Ingebrigtsen <larsi <at> gnus.org>
>> Cc: Tobias Bora <tobias.bora <at> gmail.com>,  56532 <at> debbugs.gnu.org
>> Date: Thu, 14 Jul 2022 20:19:41 +0200
>>
>> Eli Zaretskii <eliz <at> gnu.org> writes:
>>
>>>> I can easily reproduce it in emacs -Q yes by simply evaluating the
>>>> following config:
>>>>
>>>> (setq ido-everywhere t)
>>>> (ido-mode)
>>>> ;; Stop changing directory when openning a file that does not exist!
>>>> (setq ido-auto-merge-work-directories-length -1)
>>>>
>>>> (read-file-name  "Picture name:" "/tmp/" nil nil "defaultname.png")
>> Thanks; with that I can reproduce the problem.
>>
>>> It looks like you aren't supposed to do that under Ido.  See
>>> ido-magic-forward-char.
>> It may not be supposed to work, but it'd be logical if it did, I think?
>> But I'm not that familiar with how ido does fallbacks (it seems to
>> involve some strange, brittle magic), so I don't know whether it's
>> possible or not.
> I think it relies on how the candidates are displayed at that point,
> which is quite different from what read-file-name does.  Yes, that's
> brittle.

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