The fields that can be unified in
)unifies T with
)unifies S with the serial number of the last request processed by the server.
)unifies B, a boolean value, with one of
)unifies D with the ProXL Display the event was read from.
)unifies P with the parent ProXL Window of the window being restacked. This is the window that selected the event.
)unifies W with the ProXL Window that is being restacked.
)unifies P with one of