Re: [seano@cs.ucla.edu: patch: default argument for find-library]

[Vinicius Jose Latorre <viniciusjl@ig.com.br>]

Richard Stallman wrote:
> Would someone please install this, then ack?
>   

Done in trunk and emacs_22_branch.


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> To: emacs-devel@gnu.org
> From: "Sean O'Rourke" <seano@cs.ucla.edu>
> Date: Mon, 22 Oct 2007 23:19:41 -0700
> MIME-Version: 1.0
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> Subject: patch: default argument for find-library
>
> - --=-=-=
>
> This patch uses the library name at point as the interactive
> default to `find-library' -- `find-variable' and `find-function'
> already have analogous defaults.
>
> /s
>
> 2007-10-22  Sean O'Rourke  <sorourke@cs.ucsd.edu>
>
> 	* emacs-lisp/find-func.el (find-library): use library at
> 	point as default interactive argument.
>
>
> - --=-=-=
> Content-Type: text/x-patch
> Content-Disposition: attachment
>
> Index: find-func.el
> ===================================================================
> RCS file: /cvsroot/emacs/emacs/lisp/emacs-lisp/find-func.el,v
> retrieving revision 1.82
> diff -p -u -w -r1.82 find-func.el
> - --- find-func.el	17 Oct 2007 23:49:00 -0000	1.82
> +++ find-func.el	23 Oct 2007 06:17:37 -0000
> @@ -192,11 +192,21 @@ TYPE should be nil to find a function, o
>  (defun find-library (library)
>    "Find the elisp source of LIBRARY."
>    (interactive
> +   (let* ((path (cons (or find-function-source-path load-path)
> +                      (find-library-suffixes)))
> +          (def (if (eq (function-called-at-point) 'require)
> +                   (save-excursion
> +                     (backward-up-list)
> +                     (forward-char)
> +                     (backward-sexp -2)
> +                     (thing-at-point 'symbol))
> +                 (thing-at-point 'symbol))))
> +     (when def
> +       (setq def (and (locate-file-completion def path 'test) def)))
>     (list
> - -    (completing-read "Library name: "
> - -		     'locate-file-completion
> - -		     (cons (or find-function-source-path load-path)
> - -			   (find-library-suffixes)))))
> +      (completing-read (if def (format "Library name (default %s): " def)
> +                         "Library name: ")
> +		     'locate-file-completion path nil nil nil def))))
>    (let ((buf (find-file-noselect (find-library-name library))))
>      (condition-case nil (switch-to-buffer buf) (error (pop-to-buffer buf)))))
>  
>
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