* elsewhere.
* @event: (nullable): the event that is triggering the grab, or %NULL if none
* is available.
- * @prepare_func: (nullable) (scope call): function to prepare the window to be
+ * @prepare_func: (nullable) (scope call) (closure prepare_func_data): function to prepare the window to be
* grabbed, it can be %NULL if @window is visible before this call.
- * @prepare_func_data: (closure prepare_func): user data to pass to @prepare_func
+ * @prepare_func_data: user data to pass to @prepare_func
*
* Grabs the seat so that all events corresponding to the given @capabilities
* are passed to this application until the seat is ungrabbed with gdk_seat_ungrab(),