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bug#17685: 18.104.22.168; help-C-file-name failes to create temp buffer " *D
bug#17685: 22.214.171.124; help-C-file-name failes to create temp buffer " *DOC*"
Wed, 04 Jun 2014 09:15:41 -0400
Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux)
> emacs -Q
> (find-lisp-object-file-name 'visible-bell 'defvar) ;visible-bell is just an
> example and can be replaced with any variable.
> EXPECTED RESULT:
Here's the reason for the behavior:
the DOC file is moderately large, so we don't want to load it into
memory just because the user did C-h v visible-bell RET.
So we only populate the *DOC* buffer when the user actually clicks on
the "C-source" link to jump to the source code. And once the buffer is
populated, then there's no reason not to use it, so if *DOC* exists then
we do use it.
We could probably change it so that we always populate the *DOC* buffer
in the case where the C sources are available (so the behavior would
stay unchanged for users running pre-compiled Emacs, while it would
work better for those users who compile it themselves and keep the
source in place). But I'm not sure it'd really be an improvement.