GNU bug report logs - #10945
Can't search through help menu.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Alan Mackenzie <acm <at> muc.de>
Subject: bug#10945: closed (Re: bug#10945: Can't search through help menu.)
Date: Sat, 23 Oct 2021 03:50:02 +0000

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Your bug report

#10945: Can't search through help menu.

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 10945 <at> debbugs.gnu.org.

-- 
10945: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=10945
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Stefan Kangas <stefan <at> marxist.se>
To: Juri Linkov <juri <at> linkov.net>
Cc: Alan Mackenzie <acm <at> muc.de>, 10945-done <at> debbugs.gnu.org
Subject: Re: bug#10945: Can't search through help menu.
Date: Fri, 22 Oct 2021 20:49:04 -0700

Juri Linkov <juri <at> linkov.net> writes:

>>> >> emacs -Q
>>> >> C-h ?       ; brings up the help menu
>>
>>> >> I now want to search through this menu for "ChangeLog":
>>
>>> >> C-x         ; intending C-x o
>>
>>> >> The menu disappears.  This isn't friendly.
>>
>>> > We can now search that window using `C-h ? C-s', and it switches to
>>> > the *Metahelp* window.  This functionality was added in this comit:
>>
>>> > 956c39d11d 2018-04-02 Make help-for-help window searchable (Bug#19655)
>>
>>> > `C-h C-x o' still doesn't work, though.
>>
>>> > Is that good enough here?
>>
>>> Maybe help-for-help should use the minibuffer for reading commands
>>> instead of using explicit read-key-sequence?  This would allow
>>> switching to the *Metahelp* window with 'C-x o'.
>>
>> This sounds like an excellent idea.
>
> I tried, but the major problem is how to create a wrapper around
> commands in 'help-map' to exit the minibuffer before running them.
> For example, evaluating:
>
> (read-from-minibuffer "C-h (Type ? for further options)- " nil help-map)
>
> then typing one of the help character, doesn't exit the minibuffer.
> Some additional layer of indirection could exit the minibuffer
> before running the command, but currently I have no idea how to do this.
>
> PS: Also isearch-help-for-help can't use the minibuffer to read help keys
> while isearch-mode is enabled, but this is a minor obstacle.

Thanks for looking into that.  The issue seems orthogonal to this bug
report though, so I will close this for now.  Feel free to open a new
bug report if you think we should continue looking into that part.

One observation is that you can now land in the " *Metahelp*" buffer by
saying "C-h C-h C-s emacs RET", which lands point in it.

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From: Alan Mackenzie <acm <at> muc.de>
To: bug-gnu-emacs <at> gnu.org
Subject: Can't search through help menu.
Date: Mon, 5 Mar 2012 10:07:26 +0000

Hello, Emacs.

With a recent bzr head:

emacs -Q
C-h ?       ; brings up the help menu

I now want to search through this menu for "ChangeLog":

C-x         ; intending C-x o

The menu disappears.  This isn't friendly.

-- 
Alan Mackenzie (Nuremberg, Germany).

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