return NS_AllocateContiguousHandleWithData(Buffer_ptr(0), nsDependentString(aData, aDataLength), aAdditionalCapacity);
return NS_AllocateContiguousHandleWithData(Buffer_ptr(0), Substring(aData, aData+aDataLength), aAdditionalCapacity);
      NewSingleAllocationBuffer( const PRUnichar* aData, PRUint32 aDataLength, PRUint32 aAdditionalCapacity = 1 )        {          typedef Buffer* Buffer_ptr;          return NS_AllocateContiguousHandleWithData(Buffer_ptr(0), nsDependentString(aData, aDataLength), aAdditionalCapacity);        }