The following example shows a section of the two-column relationship table for this document.
<map id="reltables_map" title="Relationship tables">
<!-- Relationship table -->
<reltable>
<relrow>
<relcell>
<topicgroup collection-type="family">
<topicref href="../release_current/sysreqs.dita"/>
<topicref href="../installing/aboutinstalling.dita"/>
</topicgroup>
</relcell>
<relcell/>
</relrow>
<relrow>
<relcell>
<topicref href="../introduction/aboutditaot.dita"/>
</relcell>
<relcell>
<topicref href="../core_vocabulary/docbook.dita" linking="targetonly"/>
</relcell>
</relrow>
<relrow>
<relcell>
<topicref href="../introduction/aboutditaot.dita"/>
</relcell>
<relcell>
<topicref href="../core_vocabulary/eclipse_content.dita" linking="targetonly"/>
</relcell>
</relrow>
The following example shows the three-column relationship table for the grocery shopping sample.
<!-- Relationship table -->
<!-- The related concept, task, and reference files point to each other -->
<reltable>
<relheader>
<relcolspec type="concept"/>
<relcolspec type="task"/>
<relcolspec type="reference"/>
</relheader>
<relrow>
<relcell>
<topicref href="concepts/about_produce.dita"/>
</relcell>
<relcell>
<topicref href="tasks/choosing_produce.dita"/>
</relcell>
<relcell>
<topicref href="reference/produce.dita"/>
</relcell>
</relrow>
<relrow>
<relcell>
<topicref href="concepts/about_cannedgoods.dita"/>
</relcell>
<relcell>
<topicref href="tasks/buying_cannedgoods.dita"/>
</relcell>
<relcell>
<topicref href="reference/cannedgoods.dita"/>
</relcell>
</relrow>
</reltable>