title: OWL VIZ error in Protege 4.2
body: <p>I have built my Arabic ontology using Protege 4.2 the latest version published in Protege website,
  but when I tried to view VIZ graph using OWL VIZ tab ,it raised the following error</p>
  
  <pre><code>TokenMgrError: Lexical error at line 1, column 195.  Encountered: "\u062a" (1578), after : "\"
  </code></pre>
  
  <p>Is there any way to overcome this problem ? I need to show the Viz Gaph for my Arabic Ontology</p>
  
  <p>Note : the version of GraphViz 2.28</p>