TDAT:     public boolean equals(Object obj) {
        if (obj == null || (obj.getClass() != getClass())) {
            return false;
        }
        CSSConditionalSelectorImpl s = (CSSConditionalSelectorImpl)obj;
        return (s.simpleSelector.equals(simpleSelector) &&
                s.condition.equals(condition));
    }
 COM: <s> indicates whether some other object is equal to this one </s>