XML Unique Identifier

Identifies a unique ID value of the element.

Attribute Values

In Elements

<appendix>, <article>, <bibliomixed>, <equation>, <figure>, <footnote>, <note>, <section>, <table>
Value Meaning
An XML identifier (ID) A unique identifier for the element. An XML parser can verify that an IDREF-style attribute pointing to one of these is pointing to a valid ID.
Restriction: This attribute may be specified if the element is used.