`<category>`

A category is a group of things that have shared characteristics.

Usage information

A category can be used to classify content for navigation or retrieval. Such classifications are likely to come from an enumerated or hierarchical set. A processor might sort topics based on the associated categories and create a type of generated navigation.

Content model

Contained by

<metadata>

Zero or more of the following

Contained by

<metadata>

Inheritance

- topic/category

The <category> element is a base element type. It is defined in the topic module.

Attributes

The following attributes are available on this element: universal attributes.

Example

This section is non-normative.

The following code sample shows that a topic is associated with three categories:

<prolog>
  <metadata>
   <category>History</category>
   <category>Non-fiction</category>
   <category>Editors' choice</category>
  </metadata>
</prolog>