<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>Referemce for dynamic changes to textPath</title>
  <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=458010 -->
  <defs>
	  <path id="m1" d="M 75.5 100 h 251"/>
  </defs>
	
  <text>
	  <textPath xlink:href="#m1" font-size="20" fill="black">Should see this</textPath>
  </text>
</svg>