* 7/4/17 Jmol 14.20.1 major rewrite to correct and simplify logic; full validation
* for 433 structures (many duplicates) in AY236, BH64, MV64, MV116, JM, and L (840 lines)
Authored by: hansonr 2017-07-06
Parent: [r21649]
Child: [r21651]