Allow the use of items' attributes 'target' and 'img' for breadcrumbs entries in the navigation file.

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@386891 13f79535-47bb-0310-9956-ffa450edef68

xdoc/xdocs/reference/navfile.xml

@@ -165,7 +165,7 @@
         The <code>xdoc:navigation-validate</code> goal can be used to check
         whether your <code>${maven.xdoc.navigation.file}</code> is a valid
         navigation.file. Validation is performed against this
-        <a href="maven-navigation.xsd">xsd</a>. Note that the order of
+        <a href="../maven-navigation.xsd">xsd</a>. Note that the order of
         elements is important and should be the same as in the example above.
       </p>
     </section>