Support for ["the very powerful feature of XPath 2.0 that at the end of a path of location steps we can put a function and this function will be applied on all nodes in the current result set"](http://stackoverflow.com/questions/333249/how-to-apply-the-xpath-function-substring-after).
Support for "the very powerful feature of XPath 2.0 that at the end of a path of location steps we can put a function and this function will be applied on all nodes in the current result set".