As a counterpoint to Ron Inbar's statemtents,   we could be happy that the documentation is sparse:   Only those who
persevere will succeed... everyone else can spend way too much money on the alternatives....     I doubt the developers share
this view, but being in a small business, I'm happy to find any advantage that deters giants from squashing me and poor documentation is just
that sort of deterent.... Also, it provides a market... I, or anyone else with the perseverence to do so,   can write the "good" guide and
reap the benefits therefrom.

Still, the User's Guide is the best thing available currently,  aformentioned weaknesses notwithstanding.

Jim

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James C Moore, Ph.D.
Principal, URS Technologies, LLC
ph: 614-540-8041, jmoore@qn.net