GNU bug report logs - #37883
27.0.50; read-file-name: Scrambled INITIAL

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From: Michael Albinus <michael.albinus <at> gmx.de>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: Andreas Schwab <schwab <at> suse.de>, 37883 <at> debbugs.gnu.org
Subject: bug#37883: 27.0.50; read-file-name: Scrambled INITIAL
Date: Wed, 23 Oct 2019 15:20:45 +0200

Michael Heerdegen <michael_heerdegen <at> web.de> writes:

> Andreas Schwab <schwab <at> suse.de> writes:
>
>> > in emacs -Q (with default-directory -> ~/)
>> >
>> >   (read-file-name-default "File: " nil nil nil "~/.bash_history" nil)
>> >
>> > prompts with default minibuffer contents "/:~/~/.bash_history".  No part
>> > of that is shadowed (to indicate which part is meaningful).  Without
>> > fully understanding how the initial contents are calculated, it doesn't
>> > seem very useful with the doubled ~/.  Why can't INITIAL be used
>> > literally?
>>
>> I think INITIAL is supposed to be a file name component, not a full file
>> name.  (The manual also discourages the use of INITIAL.)
>
> I have no clue.  The manual describes INITIAL as "initial file name".

The docstring of `read-file-name' says

--8<---------------cut here---------------start------------->8---
If DEFAULT-FILENAME is omitted or nil, then if INITIAL is non-nil, the
default is DIR combined with INITIAL
--8<---------------cut here---------------end--------------->8---

> Regards,
>
> Michael.

Best regards, Michael.

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