title: Use KIE WorkBench create a bpmn2 file after I save it,it has occurs messy code
body: <p>Recently I have met a messy code problem when I use JBPM's KIE WorkBench
  The KIE WorkBench Version is <code>6.4.0.Final</code></p>
  
  <p>The language what I use is Chinese.</p>
  
  <p>While I editor the file, it looks like correct.
  After I save the file and reopen the bpmn2 file,it occurs messy code problem.</p>
  
  <p>Is there anyone have met the same problem, and knew how to solve the problem,please help me.Thank you</p>
  
  <p>There I have a picture to describe the error.</p>
  
  <p><img src="https://i.stack.imgur.com/eBDH1.png" alt="enter image description here"></p>