+2013-07-06 Leo Liu <sdl.web@gmail.com>
+
+ * ido.el (ido-use-virtual-buffers): Allow new value 'auto.
+ (ido-enable-virtual-buffers): New variable.
+ (ido-buffer-internal, ido-toggle-virtual-buffers)
+ (ido-make-buffer-list): Use it.
+ (ido-exhibit): Support turning on and off virtual buffers
+ automatically.
+
2013-07-06 Juanma Barranquero <lekktu@gmail.com>
* simple.el (alternatives-define): New macro.