.\"controls which objects can be shadowed .DT Valid_shadow Discworld driver help Valid_shadow Name .SI 5 valid_shadow - controls which objects can be shadowed .EI Synopsis .SI 5 int valid_shadow(object ob); .EI Description .SP 5 5 When an object attempts to shadow `ob' (with the shadow() efun), valid_shadow in the master object is called. One object parameter is passed, which is the object that previous_object() is attempting to shadow. valid_shadow() should return 0 if the shadow should not be permitted, in which case the shadow() call will return 0 and fail. If valid_shadow() returns 1, the shadow is allowed. .EP