add: return null; 
context: function StartPublishing(){  var editor = GetCurrentEditor();  if (editor && gPublishData && gPublishData.docURI && gProgressDialog)  {    gRestoreDocumentSource = null;    // Save backup document since nsIWebBrowserPersist changes image src urls    // but we only need to do this if publishing images and other related files    if (gPublishData.otherFilesURI)    {      try {        // (256 = Output encoded entities)        gRestoreDocumentSource =           editor.outputToString(editor.contentsMIMEType, 256);      } catch (e) {}    }    OutputFileWithPersistAPI(editor.document,                              gPublishData.docURI, gPublishData.otherFilesURI,                              editor.contentsMIMEType);  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/414b1998c427dddf4ef262b133779951962a3ffe/ComposerCommands.js/buggy/editor/ui/composer/content/ComposerCommands.js