Re: elisp-index-search on current word

[Xah <xahlee@gmail.com>]

On Oct 8, 7:21 am, Andy Stewart <lazycat.mana...@gmail.com> wrote:
> Kevin Rodgers <kevin.d.rodg...@gmail.com> writes:
> >Xahwrote:
> >> when i do elisp-index-search, is there a way to make the default
> >> choice the symbol the cursor is on?
>
> > (defadvice elisp-index-search (before interactive-default activate)
> >   "Provide the symbol at point as the default when reading TOPIC interactively."
> >   (interactive (list (read-string "Topic: " nil nil (thing-at-point 'symbol)))))
>
> (defun elisp-index-search+ ()
>   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
>   (interactive)
>   (let (topic)
>     (setq topic (read-string (concat "Subject to look up: ") nil nil (symbol-name (symbol-at-point))))
>     (funcall 'switch-to-buffer-other-window nil)
>     (info "elisp")
>     (Info-index topic)))

Thierry wrote:
,----
| (defun tv-get-index-at-point ()
|   (interactive)
|   (let ((expr (thing-at-point 'sexp)))
|     (elisp-index-search expr)))
`----

among the 3 suggestions, it seems only Thierry's version works for me.

is there a reason why it shouldn't prompt for current symbol? I think
its also useful for describe-function to provide a link to the elisp
manual at bottom. I just filed a bug report btw.

  Xah
∑ http://xahlee.org/

☄