`<keywords>`

Key words are terms that apply to the topic or map.

Usage information

The content of the <keywords> element can be used to optimize the rendered output:

Processors might add metadata to the output format to facilitate search engine optimization.
Processors might use the content of <indexterm> elements to generate an index for a document.

While the <keyword> element can be used inline, the <keywords> element is not an inline element. The <keywords> element only appears in the <topicmeta> or <prolog>, and it is used to specify keywords that apply to the topic.

Processing expectations

All <keyword> and <indexterm> elements contained in the <keywords> element are considered part of the topic or map metadata. How the content of these elements is processed depends on the output medium.

Content model

( <indexterm> | <keyword> )*

Zero or more

Attributes

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

Example

This section is non-normative.

The following code sample shows how several key words can be associated with a topic that is related to installing software:

<prolog>
    <metadata>
        <keywords>
            <keyword>installing</keyword>
            <keyword>prerequisites</keyword>
            <keyword>wizards</keyword>
        </keywords>
    </metadata>
</prolog>