suzerain: #2983 checkpoint commented-out Dutt treatment

See comments inline for explanation of what's here
and personal notes dated 24 October for how I arrived at
this logic.  Review, compilation, testing, etc very much
remains.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@42306 0bd85f0b-c151-43b9-a1e9-27231104551f