| XAttr | Implementation of the Attr API used by XmlParser. |
| XCDATASection | Implementation of the CDATASection API used by XmlParser. |
| XCharacterData | Implementation of the CharacterData API used by XmlParser. |
| XComment | Implementation of the Comment API used by XmlParser. |
| XDocument | Implementation of the XDocument API used by XmlParser. |
| XDocumentType | Implementation of the DocumentType API used by XmlParser. |
| XElement | Implementation of the Element API used by XmlParser. |
| XmlParser | A limited, simple, lenient, fast, and read-only XML parser. |
| XmlUtil | |
| XNamedNodeMap | Implementation of the NamedNodeMap API used by XmlParser. |
| XNode | Implementation of the Node API used by XmlParser. |
| XNodeList | Implementation of the NodeList API used by XmlParser. |
| XText | Implementation of the Text API used by XmlParser. |