nsHTMLSpacerElement* it = new nsHTMLSpacerElement(mInner.mTag);
nsHTMLSpacerElement* it = new nsHTMLSpacerElement(mInner.mNodeInfo);
nsHTMLSpacerElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn){  nsHTMLSpacerElement* it = new nsHTMLSpacerElement(mInner.mTag);  if (nsnull == it) {    return NS_ERROR_OUT_OF_MEMORY;  }  mInner.CopyInnerTo(this, &it->mInner, aDeep);  return it->QueryInterface(kIDOMNodeIID, (void**) aReturn);}