-->
 <span style="color: #004080;">string</span> <span style="color: #000000;">s</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">"this string"</span>        <span style="color: #0000FF;">?</span><span style="color: #000000;">s</span>
 <span style="color: #000000;">s</span> <span style="color: #0000FF;">&=</span> <span style="color: #008000;">" is now longer"</span>           <span style="color: #0000FF;">?</span><span style="color: #000000;">s</span>
<!--