context: function RemoveFieldSet(){  // RemoveTextProperty might work becuase the field set element was selected above  editorShell.BeginBatchChanges();  try {    if (!newLegend)      editorShell.DeleteElement(legendElement);    RemoveElementKeepingChildren(fieldsetElement);  } finally {    editorShell.EndBatchChanges();  }  SaveWindowLocation();  window.close();}
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