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<div class="parentlink"><strong>Parent topic:</strong> <a class="link" href="../dev_ref/extending-the-ot.html" title="There are several methods that can be used to extend the toolkit; not all of them are recommended or supported. The best way to create most extensions is with a plug-in; extended documentation for creating plug-ins is provided in the next section.">Extending the DITA Open Toolkit</a></div>
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