"extract unique notopports" both fail to work correctly because
an attempt some time ago to avoid issuing warnings about shorted
port names when using those options was changed in the wrong
line.
fails in the bplane code for subcell binning. It is still not
clear why this example causes a failure when the bplane code
has been working for so long. However, simply checking for the
BT_ARRAY bit at one additional point in the code prevents the
crash condition and appears not to have caused any issue with
the database.