From zedwiki
Example 3
XForms
<html xmlns="http://www.w3.org/2002/06/xhtml2/"
xmlns:xforms="http://www.w3.org/2002/xforms"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:ev="http://www.w3.org/2001/xml-events"
xmlns:my="SYSTEM">
<head>
<title>XHTML2 + XForms Example 02</title>
<xforms:model>
<xforms:instance>
<my:worksheet>
<my:questions>
<my:q1>
<my:part/>
</my:q1>
</my:questions>
</my:worksheet>
</xforms:instance>
<!--Constraint to force both sections of question one to be entered.-->
<xforms:bind nodeset="my:worksheet/my:questions/my:q1/my:part"
constraint="count(.) = 2"/>
<xforms:submission action="page005.xml" method="put" ref="/my:worksheet" />
</xforms:model>
</head>
<body>
<h>Show Your Work Problem</h>
<p>Solve the question and show your work.</p>
<ol>
<li>
<xforms:group>
<xforms:textarea ref="my:worksheet/my:questions/my:q1/my:part">
<xforms:label>There are 5 people who want to eat 2 bananas.
How many bananas are needed?</xforms:label>
</xforms:textarea>
<xforms:input ref="my:worksheet/my:questions/my:q1/my:part">
<xforms:label>If there are 17 bananas, how many would be
left over?</xforms:label>
</xforms:input>
</xforms:group>
</li>
</ol>
</body>
</html>
QTI
<html xmlns="http://www.w3.org/2002/06/xhtml2/"
xmlns:qti="http://www.imsglobal.org/xsd/imsqti_v2p0"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:ev="http://www.w3.org/2001/xml-events"
xmlns:my="SYSTEM">
<head>
<title>XHTML2 + QTI Example 02</title>
</head>
<body>
<h>Show Your Work Problem</h>
<p>Solve the question and show your work.</p>
<ol>
<li>
<qti:assessmentItem identifier="textEntry" title="Question 1" adaptive="false"
timeDependent="false">
<qti:responseDeclaration identifier="q1part1" cardinality="single"/>
<qti:responseDeclaration identifier="q1part2" cardinality="single"/>
<qti:itemBody>
<qti:p>There are 5 people who want to eat 2 bananas. How many bananas
are needed?</qti:p>
<qti:extendedTextInteraction responseIdentifier="q1part1"/>
<qti:p>If there are 17 bananas, how many would be left over?
<qti:textEntryInteraction responseIdentifier="q1part2"/>
</qti:p>
</qti:itemBody>
</qti:assessmentItem>
</li>
</ol>
</body>
</html>