rem:  try { printProgress.processCanceledByUser = true; } catch( exception ) {return true;}   
add:  try { printProgress.processCanceledByUser = true; } catch(ex) { return true; }   
context: function onCancel () {  // Cancel app launcher.   try    {     printProgress.processCanceledByUser = true;   }   catch( exception ) {return true;}      // don't Close up dialog by returning false, the backend will close the dialog when everything will be aborted.  return false;}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/2abcfc3bd3437e146a421dc9404a6e59b89a511a/printProgress.js/clean/xpfe/global/resources/content/printProgress.js