HTMLAttribute(const HTMLAttribute& aCopy) : mAttribute(aCopy.mAttribute), mValue(aCopy.mValue),
HTMLAttribute(nsHTMLAttrName aAttribute, const nsHTMLValue& aValue) : mAttribute(aAttribute), mValue(aValue),
  HTMLAttribute(const HTMLAttribute& aCopy)    : mAttribute(aCopy.mAttribute),      mValue(aCopy.mValue),      mNext(nsnull)  {    MOZ_COUNT_CTOR(HTMLAttribute);    mAttribute.Addref();  }