DOM Level 3 Core

• XML 1.0: XML version and encoding:
  Document.encoding, Document.actualEncoding, Document.version
• Namespaces: lookup functionality
  Node.lookupPrefix, Node.isDefaultNamespace, and Node.lookupNamespaceURI
• XML Base:
  Node.baseURI

• Support for the XML Information Set, except:
  [all declarations processed], and [in-scope namespaces]
• XML 1.1