xpath cover pageXPath 3.0 (renamed from XPath 2.1 to align with the family of "3.0" specifications) is an expression language that allows the processing of values conforming to the data model defined in [XQuery and XPath Data Model (XDM) 3.0]. Some of the important new features since XPath 2.0 are: Literal function items, inline functions, dynamic function invocations, and function item coercion Clarification of
Netscape XSLT/XPath リファレンス - XSLT: 拡張可能なスタイルシートの言語変換 | MDN
