diff options
Diffstat (limited to 'lisp/emacs-lisp/ring.el')
| -rw-r--r-- | lisp/emacs-lisp/ring.el | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/lisp/emacs-lisp/ring.el b/lisp/emacs-lisp/ring.el index ec9e88e47b6..ac5a72a8e67 100644 --- a/lisp/emacs-lisp/ring.el +++ b/lisp/emacs-lisp/ring.el @@ -18,24 +18,25 @@ ;; GNU General Public License for more details. ;; You should have received a copy of the GNU General Public License -;; along with GNU Emacs; see the file COPYING. If not, write to -;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. +;; along with GNU Emacs; see the file COPYING. If not, write to the +;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, +;; Boston, MA 02111-1307, USA. ;;; Commentary: -;;; This code defines a ring data structure. A ring is a -;;; (hd-index length . vector) -;;; list. You can insert to, remove from, and rotate a ring. When the ring -;;; fills up, insertions cause the oldest elts to be quietly dropped. -;;; -;;; In ring-ref, 0 is the index of the newest element. Higher indexes -;;; correspond to older elements until they wrap. -;;; -;;; hd-index = index of the newest item on the ring. -;;; length = number of ring items. -;;; -;;; These functions are used by the input history mechanism, but they can -;;; be used for other purposes as well. +;; This code defines a ring data structure. A ring is a +;; (hd-index length . vector) +;; list. You can insert to, remove from, and rotate a ring. When the ring +;; fills up, insertions cause the oldest elts to be quietly dropped. +;; +;; In ring-ref, 0 is the index of the newest element. Higher indexes +;; correspond to older elements until they wrap. +;; +;; hd-index = index of the newest item on the ring. +;; length = number of ring items. +;; +;; These functions are used by the input history mechanism, but they can +;; be used for other purposes as well. ;;; Code: |