;;; ewoc.el --- utility to maintain a view of a list of objects in a buffer
-;; Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-;; 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+;; Copyright (C) 1991-2012 Free Software Foundation, Inc.
;; Author: Per Cederqvist <ceder@lysator.liu.se>
;; Inge Wallin <inge@lysator.liu.se>
;;; Commentary:
;; Ewoc Was Once Cookie
-;; But now it's Emacs' Widget for Object Collections
+;; But now it's Emacs's Widget for Object Collections
;; As the name implies this derives from the `cookie' package (part
;; of Elib). The changes are pervasive though mostly superficial:
;; Never step below the first element.
;; (unless (ewoc--filter-hf-nodes ewoc node)
;; (setq node (ewoc--node-nth dll -2)))
+ (unless node
+ (error "No next"))
(ewoc-goto-node ewoc node)))
(defun ewoc-goto-node (ewoc node)
;; eval: (put 'ewoc--set-buffer-bind-dll-let* 'lisp-indent-hook 2)
;; End:
-;; arch-tag: d78915b9-9a07-44bf-aac6-04a1fc1bd6d4
;;; ewoc.el ends here