<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN"
  "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<svg
  xmlns="http://www.w3.org/2000/svg"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  width="100" height="100"
  style="stroke: black; fill: white"
 >

<defs>
  <text id="t1">Hello world!</text>
</defs>

<g transform="translate(50,50)">
  <circle cx="0" cy="0" r="40"/>
  <use xlink:href="#t1" x="-32" y="0" style="stroke:blue"/>
</g>
</svg>
