package gnu.xml.validation.xmlschema;
import java.util.LinkedHashSet;
-import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;
import javax.xml.XMLConstants;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import gnu.xml.validation.datatype.Annotation;
-import gnu.xml.validation.datatype.AtomicSimpleType;
-import gnu.xml.validation.datatype.ListSimpleType;
import gnu.xml.validation.datatype.SimpleType;
import gnu.xml.validation.datatype.Type;
-import gnu.xml.validation.datatype.UnionSimpleType;
/**
* Parses an XML Schema DOM tree, constructing a compiled internal