Simple WML example (continued)
<!DOCTYPE wml PUBLIC "-//PHONE.COM//DTD WML 1.1//EN"
"http://www.phone.com/dtd/wml11.dtd" >
<input type="text" name="zip"/>
<do type="accept" label="Show">
<go href=”/show" method="post">
<postfield name="zip" value="$(zip)"/>