This document fails to parse.  If you change the post fields to be unclosed tag,
the validitor claims there are 0 errors, but still isn't happy.

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
"http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card title="UNCW WAP Messaging Login" id="base_card">
<p> User Name<input tabindex="1" format="*x*X" name="un" type="text"/></p>
<p> Password<input tabindex="0" format="*x*X" name="pword" type="password"/></p>
<p>
<anchor>
Login
<go method="post" href="login.jsp">
<postfield name="uname" value="$(un)"/>
<postfield name="pass" value="$(pword)"/>
</go>
</anchor>
</p>
</card>