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bug#17210: 24.3.50; help mode [back] link to a C-h b keybind listing fai
From: |
Eli Zaretskii |
Subject: |
bug#17210: 24.3.50; help mode [back] link to a C-h b keybind listing fails with message "Current buffer is not in Help mode" |
Date: |
Tue, 08 Apr 2014 18:26:13 +0300 |
> Date: Tue, 08 Apr 2014 09:13:56 +0200
> From: martin rudalics <rudalics@gmx.at>
> CC: ian@iankelling.org, 17210@debbugs.gnu.org
>
> note that the bug which is the subject of the current thread was
> implicitly caused by reverting a behavior erroneously introduced in
> Emacs 24.3 (see the threads of bug#16816 and bug#17007 for details).
Only by side effect, because all that stuff had nothing to do with
which buffer is current when describe-bindings-internal is called.
> > Also, describe-bindings-internal is only called from this single
> > place, so I see no reason to support some other help buffers. Do you?
>
> I think Stefan explained that meanwhile.
As long as describe-bindings invokes describe-bindings-internal with
the current buffer set to the buffer whose keybindings we want to
describe, I don't understand how the multitude of Help buffer can be
relevant to the issue at hand.
My problem with help-buffer is that calling it requires intimate
understanding of its internal logic, because the caller doesn't
necessarily know whether help-xref-following is bound to nil or not.
Without knowing that, whoever calls help-buffer can easily trip on
this problem. So it sounds like help-buffer is only suitable for
callers who bind help-xref-following themselves, or have tight
relationships with functions that do. describe-bindings-internal
doesn't, so I don't see how it can be clean for it to call that
function.
- bug#17210: 24.3.50; help mode [back] link to a C-h b keybind listing fails with message "Current buffer is not in Help mode", (continued)
- bug#17210: 24.3.50; help mode [back] link to a C-h b keybind listing fails with message "Current buffer is not in Help mode", Eli Zaretskii, 2014/04/08
- bug#17210: 24.3.50; help mode [back] link to a C-h b keybind listing fails with message "Current buffer is not in Help mode", martin rudalics, 2014/04/08
- bug#17210: 24.3.50; help mode [back] link to a C-h b keybind listing fails with message "Current buffer is not in Help mode", Eli Zaretskii, 2014/04/08
- bug#17210: 24.3.50; help mode [back] link to a C-h b keybind listing fails with message "Current buffer is not in Help mode", martin rudalics, 2014/04/08
- bug#17210: 24.3.50; help mode [back] link to a C-h b keybind listing fails with message "Current buffer is not in Help mode", martin rudalics, 2014/04/08
- bug#17210: 24.3.50; help mode [back] link to a C-h b keybind listing fails with message "Current buffer is not in Help mode", Andreas Schwab, 2014/04/08
- bug#17210: 24.3.50; help mode [back] link to a C-h b keybind listing fails with message "Current buffer is not in Help mode", martin rudalics, 2014/04/08
- bug#17210: 24.3.50; help mode [back] link to a C-h b keybind listing fails with message "Current buffer is not in Help mode",
Eli Zaretskii <=
- bug#17210: 24.3.50; help mode [back] link to a C-h b keybind listing fails with message "Current buffer is not in Help mode", Stefan Monnier, 2014/04/08