public DocAttribute(NamedObj container, String name)
throws IllegalActionException, NameDuplicationException {
super(container, name);
description = new StringParameter(this, "description");
TextStyle style = new TextStyle(description, "_style");
style.height.setExpression("10");
style.width.setExpression("70");
author = new StringAttribute(this, "author");
version = new StringAttribute(this, "version");