Prev Task
The <prev> task represents the action of going back to the previous card.
<?xml version="1.0"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
"http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card>
<p>
<anchor>
Previous Page
<prev/>
</anchor>
</p>
</card>
</wml>