xmlatt An xmlelem is an inline element for identifying an attribute of an XML element. This is a specialization of keyword. The markup <xmlatt>outputclass</xmlatt> should produce the output: @outputclass. Inheritance + topic/keyword xml-d/xmlatt Figure 21. Sample of an instance of the xmlatt element You can use <xmlatt>outputclass</xmlatt> on many elements to distinguish them in an output, such as EPUB or PDF.