bug#10945: closed (Can't search through help menu.)

[GNU bug Tracking System]

Your message dated Fri, 22 Oct 2021 20:49:04 -0700
with message-id 
<CADwFkmkiSym7VFH1DSP5OBxL=Tk6=ypiGefKKzAOyo6tHdGt3A@mail.gmail.com>
and subject line Re: bug#10945: Can't search through help menu.
has caused the debbugs.gnu.org bug report #10945,
regarding Can't search through help menu.
to be marked as done.

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-- 
10945: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=10945
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> --- Begin Message ---
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> Subject: 
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> Can't search through help menu.
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> Date: 
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> Mon, 5 Mar 2012 10:07:26 +0000
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> User-agent: 
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> Mutt/1.5.21 (2010-09-15)
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> Hello, Emacs.
>
> With a recent bzr head:
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> 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).
>
>
>
> --- End Message ---
> --- Begin Message ---
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> Subject: 
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> Re: bug#10945: Can't search through help menu.
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> Date: 
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> Fri, 22 Oct 2021 20:49:04 -0700
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> User-agent: 
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> Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)
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> Juri Linkov <juri@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.
>
>
> --- End Message ---