* This operation effectively makes the serial numbers of all subsequent
* symbols unpredictable. If the serials are unpredictable, then so are
* their hash values. If the hash values are unpredictable, then so are
* the canonical orderings. If the canonical orderings are unpredictable,
* all subsequent times are subject to some variation. This variation,
* This operation effectively makes the serial numbers of all subsequent
* symbols unpredictable. If the serials are unpredictable, then so are
* their hash values. If the hash values are unpredictable, then so are
* the canonical orderings. If the canonical orderings are unpredictable,
* all subsequent times are subject to some variation. This variation,