GNU bug report logs - #79395
30.2; Search for a function inside a mini buffer

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Juri Linkov <juri <at> linkov.net>
Cc: jcubic <at> onet.pl, 79395 <at> debbugs.gnu.org
Subject: bug#79395: 30.2; Search for a function inside a mini buffer
Date: Mon, 08 Sep 2025 14:56:56 +0300

> From: Juri Linkov <juri <at> linkov.net>
> Cc: jcubic <at> onet.pl,  79395 <at> debbugs.gnu.org
> Date: Mon, 08 Sep 2025 09:09:01 +0300
> 
> >> > However, the discussion in bug#64656 is very long and talks about
> >> > quite a few separate issues.  Could you please summarize only the part
> >> > that is related to using C-s at the prompt of "C-h f"?  In particular,
> >> > what is "C-s" supposed to search in this case, when the minibuffer is
> >> > empty?
> >> 
> >> "C-s" is supposed to search the "future history",
> >> i.e. the same values visited by "M-x M-n M-n M-n ...".
> >
> > If that's the intent, then why isn't this documented anywhere I could
> > think to look?  That C-s should do that in this case is completely
> > non-obvious, so I wonder how come people know about it if we didn't
> > document it?
> 
> Searching the minibuffer history is documented in
> (info "(emacs) Isearch Minibuffer").
> 
> Searching the default values is too obscure feature to advertise,
> because usually a list of default values is very short,
> and in some cases that add completion candidates to M-n default values
> it's better to use TAB to show completions and use isearch
> in the completion buffer.
> 
> > Can you point me to the place where we bind C-s to do that, please?
> 
> In minibuffer-history-isearch-setup.

Thanks, the documentation was okay, but there was a room for improving
the indexing and cross-references, which I did.

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