<?xml version=“1.0”?> <ABC xmlns=“parent.name.space

   xmlns:svg="http://www.w3.org/Graphics/SVG/1.0">
<!-- document in the parent namespace -->
<svg:svg width="40%" height="40%">
   <svg:rectangle width="43.6" height="31.5"/>
   <!-- svg graphic continues -->
 </svg:svg>
 <!-- document in parent namespace continues -->

</ABC>