+ * \brief delete all entries in the ElementSet
+ */
+void ElementSet::ClearEntry()
+{
+ for(TagDocEntryHT::iterator cc = TagHT.begin();cc != TagHT.end(); ++cc)
+ {
+ if ( cc->second )
+ {
+ delete cc->second;
+ }
+ }
+ TagHT.clear();
+}
+
+/**
+ * \brief Get the first entry while visiting *the* 'zero level' DocEntrySet
+ * (DocEntries out of any Sequence)