cran-comments.md

New generics added, specification document updated.

Test environments

• ubuntu 17.10 (local install), R 3.4.4
• ubuntu 14.04 (on travis-ci), R devel, release, and oldrel
• win-builder (release and devel)

R CMD check results

OK.

Reverse dependencies

Checked downstream dependencies on CRAN, very few packages could not be installed or checked. No regressions found.