Routine Name:	deletemsgdef

Description:	Deletes a message definition previously added to an element
		using addmsgdef.

Usage:		deletemsgdef element msg-name

		element		element from which to remove the message
				definition
	
		msg-name	name of the message type to delete

Notes:		Deletemsgdef will not delete permanent message definitions
		defined by the built in objects.

See also:	addmsgdef, showobject, Extended
