messages	Specifies a group of messages.

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

<description>         	Specifies the messages description.
<history>             	Specifies the messages history.
<deprecated>          	Specifies that the contents of this element should be marked as deprecated.
<specreference>       	Specification reference for this group of messages.
<key>                 	Specifies the unique messages key.
<message>             	Specifies the message.
