GNU bug report logs - #8368
24.0.50; "temp" means "help" - rename or at least document

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From: martin rudalics <rudalics <at> gmx.at>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: 'Lars Magne Ingebrigtsen' <larsi <at> gnus.org>, 8368 <at> debbugs.gnu.org, 'Stefan Monnier' <monnier <at> iro.umontreal.ca>, rms <at> gnu.org
Subject: bug#8368: 24.0.50; "temp" means "help" - rename or at least document
Date: Tue, 01 May 2012 10:08:57 +0200

> IF a programmer wants a temp buffer without that help
> stuff then s?he can do something like what I wrote, as a workaround: define a
> macro that uses `w-o-t-t-b', but first removes the help-stuff hooks and restores
> them afterward.  That's all.

S?he could also write such a macro from scratch and post the result here
together with a suitable name.

> Your suggestion was IIUC to instead use `w-o-t-t-b' and just turn off help-mode
> in the BODY.  OK, but that means that help-mode is entered and exited for
> nothing - the hooks are run uselessly.

Who cares?  The overhead for removing and adding a hook (with all the
necessary protection) is just as high.

> That's all I was pointing out.  Nothing
> wrong with such useless work, but it, like my workaround, does not seem like the
> solution to the problem.

We agree here.

>> Obviously, dealing with `temp-buffer-show-hook' in
>> `with-output-to-plain-temp-buffer' isn't necessary either if you don't
>> run `help-mode-setup' before.
>
> Ah, yes.  Of course that means paying even more attention etc.
>
> Anyway, thanks for thinking about this.  I really would like to see Emacs fixed
> in this regard.  To my mind (not having thought much about it, and being pretty
> ignorant about it), I would think that inheritance could be used to factor out
> the stuff that is not specifically for help mode (i.e., have the help-mode stuff
> inherit from that).

That's the way to go, yes.  The question is rather one of how to avoid
confusing users when we have, for example, a `temp-buffer-setup-hook'
and a `plain-temp-buffer-setup-hook' and BOTH get run when we invoke the
inheriting macro.

martin

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