!Compare(Substring(uri, 0, 3), NS_LITERAL_STRING("nc:"), nsCaseInsensitiveStringComparator())) {
Substring(uri, 0, 3).Equals(NS_LITERAL_STRING("nc:"), nsCaseInsensitiveStringComparator())) {
rdf_RequiresAbsoluteURI(const nsString& uri){    // cheap shot at figuring out if this requires an absolute url translation    if (Substring(uri, 0, 4).Equals(NS_LITERAL_STRING("urn:")) ||        Substring(uri, 0, 9).Equals(NS_LITERAL_STRING("chrome:")) ||        !Compare(Substring(uri, 0, 3), NS_LITERAL_STRING("nc:"),                 nsCaseInsensitiveStringComparator())) {        return PR_FALSE;     }     return PR_TRUE;}