enum	Use the enum tag to specify a enumeration.

id                  	Specifies an unique identifier for this element.
idref               	Specifies a reference to the element with the matching <a href=&quot;"idAttribute.
name                	Specifies a name for this element.

<description>         	Description of the enumeration.
<history>             	Specifies the enumeration history.
<units>               	Specifies the enum units.
<deprecated>          	Specifies that the contents of this element should be marked as deprecated.
<specreference>       	Specification reference for this enumeration.
<key>                 	Specifies a enumeration key.
<label>               	Specifies a enumeration label.
<value>               	Specifies the enumeration value.
