* @listener: a pointer to the #AccessibleKeystrokeListener for which
* keystroke events are requested.
* @keys: a pointer to the #AccessibleKeySet indicating which
- * keystroke events are requested, or #CSPI_KEYSET_ALL_KEYS.
+ * keystroke events are requested, or #CSPI_KEYSET_ALL_KEYS
+ * to indicate that all keycodes and keyvals for the specified
+ * modifier set are to be included.
* @modmask: an #AccessibleKeyMaskType mask indicating which
* key event modifiers must be set in combination with @keys,
* events will only be reported for key events for which all
* the events.
* @eventmask: an #AccessibleDeviceEventMask mask indicating which
* types of key events are requested (#SPI_KEY_PRESSED, etc.).
+ * @filter: Unused parameter.
*
* Register a listener for device events, for instance button events.
*
* SPI_deregisterDeviceEventListener:
* @listener: a pointer to the #AccessibleDeviceListener for which
* device events are requested.
+ * @filter: Unused parameter.
*
* Removes a device event listener from the registry's listener queue,
* ceasing notification of events of the specified type.