<launch>

  <param name="use_local_remap" type="bool" value="true" />
  <param name="remap_from" value="sub_namespace"/>
  <param name="remap_to"   value="different_sub_namespace" />
  <test test-name="local_remappings" pkg="test_roscpp" type="test_roscpp-test_remapping"
        args="/base_namespace /base_namespace/different_sub_namespace" />

</launch>
