AtkStateSet* atk_state_set_xor_sets ( AtkStateSet* set, AtkStateSet* compare_set )
Constructs the exclusive-or of the two sets, returning
NULL is empty.
The set returned by this operation contains the states in exactly
one of the two sets.
The data is owned by the caller of the function.
AtkStateSet which contains the states
which are in exactly one of the two sets.
|The caller of the method takes ownership of the data, and is responsible for freeing it.|