GNU bug report logs - #22575
25.0.50; isearch-query-replace wrong type argument

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Óscar Fuentes <ofv <at> wanadoo.es>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.50; isearch-query-replace wrong type argument
Date: Sun, 07 Feb 2016 02:36:19 +0100

emacs -Q

In *scratch*, put the point at the beginning of the buffer and

M-x isearch-query-replace

The minibuffer shows

Wrong type argument: stringp, nil

The same happens if an isearch was previously executed. (From reading
the docstring, I don't know how isearch-query-replace is supposed to
work.)

In GNU Emacs 25.0.50.29 (x86_64-unknown-linux-gnu, X toolkit)
 of 2016-01-21 built on qcore
Repository revision: 5293d1bdb3e665a565af032a163004c976328cc2
Windowing system distributor 'The X.Org Foundation', version 11.0.11702000
System Description:	Ubuntu 15.10

Configured using:
 'configure --without-toolkit-scroll-bars --with-x-toolkit=lucid'

Configured features:
XAW3D XPM JPEG TIFF GIF PNG SOUND GSETTINGS NOTIFY GNUTLS LIBXML2
FREETYPE XFT ZLIB LUCID X11

Important settings:
  value of $LANG: C
  locale-coding-system: nil

Major mode: Emacs-Lisp

Message #8 received at 22575 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: Óscar Fuentes <ofv <at> wanadoo.es>
Cc: 22575 <at> debbugs.gnu.org
Subject: Re: bug#22575: 25.0.50; isearch-query-replace wrong type argument
Date: Mon, 08 Feb 2016 02:50:28 +0200

> In *scratch*, put the point at the beginning of the buffer and
>
> M-x isearch-query-replace
>
> The minibuffer shows
>
> Wrong type argument: stringp, nil
>
> The same happens if an isearch was previously executed. (From reading
> the docstring, I don't know how isearch-query-replace is supposed to
> work.)

It's easy to fix the error of a nil ‘isearch--current-buffer’ in
‘isearch-done’ (it's also reproducible by evaling just ‘(isearch-done)’).
But then with an empty search string initially, ‘isearch-query-replace’
will start replacements of an empty string.  So outside of isearch mode
it could be useful only with the last non-empty search string.

Message #11 received at 22575 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Óscar Fuentes <ofv <at> wanadoo.es>
Cc: 22575 <at> debbugs.gnu.org
Subject: Re: bug#22575: 25.0.50; isearch-query-replace wrong type argument
Date: Sun, 07 Feb 2021 17:52:10 +0100

Óscar Fuentes <ofv <at> wanadoo.es> writes:

> In *scratch*, put the point at the beginning of the buffer and
>
> M-x isearch-query-replace
>
> The minibuffer shows
>
> Wrong type argument: stringp, nil

I'm unable to reproduce this in Emacs 28 (it instead replaces the
zero-length string with whatever you say it should), so I'm guessing
this has been fixed in the years since it was reported, and I'm closing
this bug report.  If this is still a problem, please respond to the
debbugs address and we'll reopen.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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