The computed contained XML held within this tag. This string will be empty unless that tag has been
Applications may set the value of innerXML to a string containing valid XML. In this case Whitebeam will
parse the XML and build an element tree that will then replace all the current contents of the specified XmlTag.
In many ways this property is analogous to the client-side HtmlElement.innerHTML, although note that
setting the innerXML will not change the output text value of the tag to reflect the contents. To do this the
node must be re-executed.