mEnum(aEnumValue) {  nsStr::Initialize(mStr, aStringValue.mStr, aStringValue.mCapacity, aStringValue.mLength, aStringValue.mCharSize, PR_FALSE); }
mEnum(eCSSProperty_UNKNOWN) {}
  PropertyNode(const nsStr& aStringValue, nsCSSProperty aEnumValue)    : mStr(),      mEnum(aEnumValue)  { // point to the incomming buffer    // note that the incomming buffer may really be 2 byte    nsStr::Initialize(mStr, aStringValue.mStr, aStringValue.mCapacity,                       aStringValue.mLength, aStringValue.mCharSize, PR_FALSE);  }