Subject: bug#17685: 24.3.91.1; help-C-file-name failes to create temp buffer " *DOC*"

From: martin rudalics <[email-masked]>
Date: Thu, 05 Jun 2014 10:45:35 +0200

> (defun show-elisp-src-at-point ()
 >    (interactive)
 >    (message (find-lisp-object-file-name (variable-at-point) 'defvar)))
 >
 > Now, executing show-elisp-src-at-point with point on a C variable just returns the symbol 'C-source. With an optional variable enable-c-search in find-lisp-object-file-name, it could instead return the actual C source file name.
 >
 > I don't think an extra value in help-enable-auto-load would be of any help in these kind of cases (i.e. when used programmatically).

I thought about something like

(if (or (and (eq help-enable-auto-load 'create-doc)
	     (get-buffer-create " *DOC*"))
	(get-buffer " *DOC*"))
     (help-C-file-name type 'subr)
   'C-source)

in `find-lisp-object-file-name'.

martin