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-rw-r--r--lisp/ChangeLog5
-rw-r--r--lisp/emacs-lisp/find-func.el20
2 files changed, 20 insertions, 5 deletions
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index a8e111cb2ed..cdd1822303d 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2007-10-31 Sean O'Rourke <sorourke@cs.ucsd.edu>
+
+ * emacs-lisp/find-func.el (find-library): use library at
+ point as default interactive argument.
+
2007-10-31 Juanma Barranquero <lekktu@gmail.com>
* shadowfile.el (shadow-join): Remove.
diff --git a/lisp/emacs-lisp/find-func.el b/lisp/emacs-lisp/find-func.el
index 20b91b10547..b3c7c339030 100644
--- a/lisp/emacs-lisp/find-func.el
+++ b/lisp/emacs-lisp/find-func.el
@@ -192,11 +192,21 @@ TYPE should be nil to find a function, or `defvar' to find a variable."
(defun find-library (library)
"Find the elisp source of LIBRARY."
(interactive
- (list
- (completing-read "Library name: "
- 'locate-file-completion
- (cons (or find-function-source-path load-path)
- (find-library-suffixes)))))
+ (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 (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)))))