Is_Plane_Switch_Or_Alpha
Test if a token is invisible (Plus_M_20 .. Plus_M_80)
Return
true is Test_Token in Plus_M_20 .. Plus_M_80
Parameters
Test_Token
token to test
Test if a token is invisible (Plus_M_20 .. Plus_M_80)
true is Test_Token in Plus_M_20 .. Plus_M_80
token to test