A cross-reference to a unique identifier used to
point from one element to one or more other elements. The value of the attribute
must be one or more XML unique identifiers that are the value(s) of id
attribute(s) elsewhere in the document.
A user-defined property within an element for
general purpose processing used with block objects to provide supplemental
information over and above that conveyed by the element name. This attribute is
analogous to HTML's "class" attribute.
This document has been approved for Public Release by the Office of the Director of National Intelligence. See 'Distribution
Notice' for details.
Click Here