--- a/master/painting.html	Sun Sep 16 02:04:23 2012 +1000
+++ b/master/painting.html	Sun Sep 16 02:07:23 2012 +1000
@@ -1798,7 +1798,7 @@
      <marker href="#Square" position="100%"/>
      <marker href="#Circle" position="50px"/>
      <marker href="#Circle" position="calc(100% - 50px)"/>
-     <marker position="50%">  <!-- need refX and refY -->
+     <marker refX="5" refY="5" position="50%">
        <!-- the cross -->
        <path d="M 3,3 L 7,7 M 3,7 L 7,3"
              fill="none" stroke="black" stroke-width="2"/>