I ran package update this morning, so in CRAN terms I should be up to date.
Based on this email:
https://stat.ethz.ch/pipermail/r-sig-mac/2020-June/013599.html
I installed lwgeom rgdal rgeos sf from that repository. These are built with
GEOS 3.8.1, GDAL 3.1.0, PROJ 6.3.2. It installed 'sf'
I installed the whole suite available through Prof. Ripley's efforts, and
finally have gotten time to do extensive testing. I just ran into a problem
with code that worked previously. It doesn't break all the mapping code, only
some. The error I get is given below. And yes I realize that this
