UDDI (Universal Description, Discovery, and Integration) Ukrainian language unabbreviated location paths unassigned code points (Unicode) Unicode 2nd 3rd <Emphasis>The Unicode Standard 4.0<Default Para Font> character classes character references 2nd character set names character tables for ASCII ISO-8859-1, Latin-1 encoding attribute in XML declaration encodings evolution of, XML and other blocks Arabic Armenian Arrows Combining Diacritical Marks Currency Symbols Cyrillic Devanagari Dingbats Ethiopic General Punctuation Geometric Shapes Greek and Coptic Greek Extended Hebrew IPA Extensions Latin Extended Additional Latin Extended-A Latin Extended-B Letter-Like Symbols Mathematical Operators Miscellaneous Symbols Miscellaneous Technical Optical Character Recognition Spacing Modifier Letters Thai Tibetan UCS-2 encoding 2nd UCS-4 encoding UTF-16 encoding 2nd encoding declaration and omitting encoding declaration required handling by XML parsers UTF-16 or UTF-8 format for all XML documents UTF-8 encoding 2nd 3rd converting Cp1252 encoding to encoding declaration and 2nd internationalization and required handling by XML parsers Uniform Resource Identifiers [See URIs] union element 2nd union operator (), combining multiple location paths unique element 2nd uniqueness of schema elements Unix, EUC-JP encoding (Japanese characters ) unparsed entities notations and XML processing and unparsed general entities declaring notations not allowed in entity references unparsed text, including in XML documents unparsed-entity-uri ( ) function unqualified names, XML specification for unsignedByte type unsignedInt type unsignedLong type unsignedShort type URIs anyURI type assigning elements to base, of included documents binding prefixes to controlling parser behavior for SAX 2nd conventions for using with XML names identifying starting and ending resources for links IRIs vs. namespace XPointer XSLT processors and namespace prefixes, mapping to SAX features and properties XML Schema instance namespace XPointer fragment identifier syntax XPointer, escaping special characters URLs absolute or relative for DTDs base module (XHTML DTD) in HTML elements, XPointer fragment identifiers in IRIs vs. namespace, RDDL description of XML application XPointers on UserDataHandler interface (DOM) 2nd