(message "%s" (cedet-gnu-global-root)))
(defun cedet-gnu-global-root (&optional dir)
- "Return the root of any GNU Global scanned project.
-If a default starting DIR is not specified, the current buffer's
-`default-directory' is used."
+ "Return the root of any GNU Global scanned project containing DIR.
+Returns nil if no GNU Global project can be found.
+DIR defaults to `default-directory'."
(let ((default-directory (or dir default-directory)))
(with-current-buffer (cedet-gnu-global-call (list "-pq"))
(goto-char (point-min))