refine(const TemplateBuilder& builder, const typename Model::Node& el, const SmartPtr<MathMLUnderOverElement>& elem) { MathML_munder_ElementBuilder::refine(builder, el, elem); MathML_mover_ElementBuilder::refine(builder, el, elem); }
refine(const TemplateBuilder&, const typename Model::Element&, const SmartPtr<BoxMLElement>& elem) { }
    refine(const TemplateBuilder& builder, const typename Model::Node& el, const SmartPtr<MathMLUnderOverElement>& elem)    {      MathML_munder_ElementBuilder::refine(builder, el, elem);      MathML_mover_ElementBuilder::refine(builder, el, elem);    }