nsHTMLLabelElement::SetHtmlFor(const nsString& aValue)
nsHTMLLabelElement::SetHtmlFor(const nsAReadableString& aValue)
nsHTMLLabelElement::SetHtmlFor(const nsString& aValue){  // trim leading and trailing whitespace   static char whitespace[] = " \r\n\t";  nsAutoString value(aValue);  value.Trim(whitespace, PR_TRUE, PR_TRUE);  return mInner.SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::_for, value, PR_TRUE);}