Records a change. See history.
(px +
)
change |_(px+)
The date this distribution was made. Format: dd-MMM-yyyy.
Whom the release is attributable to. This links to one of the author elements. If this attribute is omitted, it defaults to the content of the author attribute of the previous distribution element.
An id to allow UPDATE elements to refer to a specific version. It can be anything, but a sensible format is v10-5, for example (it can't start with a number)