;Example 1:
: Query: : <pre>let $n := <n/> return (insert node <x/> into $n, put($n,'doc.xml'))</pre>
: Resulting File 'doc.xml': <code><n/></code>
;Example 2:
: Query: <pre>put( copy $nn := <n/> modify insert node <x/> into $nn return $nn, 'doc.xml' )</pre>
: Resulting File 'doc.xml': <code> <n> <x/> </n></code>