Example

Given a simple xml :

            <catalog>
                <book id="book1">
                    <author id="auth1">Gambardella, Matthew</author>
                    <title>XML Developer's Guide</title>
                    <genre id="bk101">Computer</genre>
                    <price>44.95</price>
                    <publish_date>2000-10-01</publish_date>
                    <description>An in-depth look at creating applications
                        with XML.</description>
                </book>
            </catalog>

Expressions matching nodes:

Pointer content	Result	ErrorHandler
xpointer(//@id='auth1'])		expected ")", found "]"
xpointer(//price/following-sibling::)		Unexpected token ")" after axis name

Bad XPointer Scheme expression

Example