which will, e.g., be necessary for server-side xcb.
This affects the following:
-* QueryDeviceState reply field "classes" ( structs InputState, ... )
* SendExtensionEvent member "events"
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-xml and generator should support
-switch-case similar to switch-bitcase.
-
-(and maybe: variable sized unions with a mechanism to define
-which union-field is selected.)
-
-One of these features is needed for the InputInfo type
-which is used by request "ListInputDevices" for the list "input_infos".
-
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Parametrized structs
This is needed for being able to use the value of the field