Re: Jump to autoconf macro documentation

[Andrea Crotti]

> Yes:
>
> Info-index is an interactive compiled Lisp function in `info.el'.
>
> (Info-index TOPIC)
>
> Look up a string TOPIC in the index for this manual and go to that entry.
> If there are no exact matches to the specified topic, this chooses
> the first match which is a case-insensitive substring of a topic.
> Use the , command to see the other matches.
> Give an empty topic name to go to the Index node itself.

Maybe the key chosen is not the best but it works wonderfully :)

--8<---------------cut here---------------start------------->8---
  (setq autoconf-macro-syntax-table (make-syntax-table))
  (modify-syntax-entry ?_ "w" autoconf-macro-syntax-table)
  
  (defun get-autoconf-macro-definition ()
    "jump to the definition of a macro"
    (interactive)
    (let
        ((macro (with-syntax-table autoconf-macro-syntax-table (thing-at-point 
'word))))
      (info "autoconf" (concat "*autconf*<" macro ">"))
      (Info-index macro)))
  
  (add-hook 'autoconf-mode-hook
            (lambda ()
              (local-set-key "\C-j" 'get-autoconf-macro-definition)))
--8<---------------cut here---------------end--------------->8---