<skeletons>
   <standard_skeleton title="polybolos" id="polybolos">
    <bone name="ground">
      <bone name="pivot">
         <bone name="slide">
        </bone>
         <bone name="arm_L">
         </bone>
         <bone name="arm_R">
         </bone>
         <bone name="crank_F">
         </bone>
         <bone name="crank_B">
         </bone>
         <bone name="sling">
            <bone name="prop_projectile">
            </bone>
         </bone>
      </bone>
    </bone>
</standard_skeleton>
  <skeleton title="polybolos" target="polybolos">
    <identifier>
      <root>polybolos</root>
    </identifier>
    <bone name="ground"><target>ground</target>
      <bone name="pivot"><target>pivot</target>
         <bone name="slide"><target>slide</target>
        </bone>
         <bone name="arm_L"><target>arm_L</target>
         </bone>
         <bone name="arm_R"><target>arm_R</target>
         </bone>
         <bone name="crank_F"><target>crank_F</target>
         </bone>
         <bone name="crank_B"><target>crank_B</target>
         </bone>
         <bone name="sling"><target>sling</target>
            <bone name="prop_projectile"><target>prop_projectile</target>
            </bone>
         </bone>
      </bone>
    </bone>
  </skeleton>
</skeletons>