Toby, Akhila, Yes, it is all somewhat non-linear and unsatisfying. For a different deployment reason I was just looking again at Rserve --- and then though "hm wonder what its CRAN check looks like" and it is not exactly spotless either: https://cloud.r-project.org/web/checks/check_results_Rserve.html Dirk
https://dirk.eddelbuettel.com | @eddelbuettel | edd at debian.org