[Emacs-diffs] Changes to emacs/lisp/emacs-lisp/find-func.el,v

[Vinicius Jose Latorre]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Vinicius Jose Latorre <viniciusjl>      07/10/31 12:39:44

Index: emacs-lisp/find-func.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/emacs-lisp/find-func.el,v
retrieving revision 1.82
retrieving revision 1.83
diff -u -b -r1.82 -r1.83
--- emacs-lisp/find-func.el     17 Oct 2007 23:49:00 -0000      1.82
+++ emacs-lisp/find-func.el     31 Oct 2007 12:39:44 -0000      1.83
@@ -192,11 +192,21 @@
 (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)))))