}
public void undo(final ReportRenderContext renderContext)
{
final MasterReport report = renderContext.getMasterReportElement();
final WriteableDocumentBundle bundle = (WriteableDocumentBundle) report.getBundle();
final WriteableDocumentMetaData metaData = bundle.getWriteableDocumentMetaData();
metaData.setBundleAttribute
(ODFMetaAttributeNames.Meta.NAMESPACE, ODFMetaAttributeNames.Meta.KEYWORDS,
oldMetaData.getBundleAttribute(ODFMetaAttributeNames.Meta.NAMESPACE, ODFMetaAttributeNames.Meta.KEYWORDS));
metaData.setBundleAttribute
(ODFMetaAttributeNames.DublinCore.NAMESPACE, ODFMetaAttributeNames.DublinCore.CREATOR,