-import javax.xml.parsers.ParserConfigurationException;
-
-import org.xml.sax.SAXException;
-
-import fr.orsay.lri.varna.exceptions.ExceptionFileFormatOrSyntax;
-import fr.orsay.lri.varna.exceptions.ExceptionLoadingFailed;
-import fr.orsay.lri.varna.exceptions.ExceptionPermissionDenied;
-import fr.orsay.lri.varna.exceptions.ExceptionUnmatchedClosingParentheses;
-
-import jalview.datamodel.*;
+import java.io.IOException;
+import java.util.Hashtable;
+import java.util.StringTokenizer;
+import java.util.Vector;