fn:trace(<xml/>, "Node: ")/node() (: yields the debugging output "Node: <xml/>" :),
fn:trace(<xml/>)/node() (: returns the debugging output "<xml/>" :)
</pre>
==fn:string-join==
The type of the first argument is now <code>xs:anyAtomicType*</code>, and all items will be implicitly cast to strings:
<pre class="brush:xquery">
fn:string-join(1 to 3) (: yields the string "123" :)
</pre>