//R
//R/api.R
//R/env.R
//R/last.R
//R/list.R
//R/build.R
//R/check.R
//R/email.R
//R/error.R
//R/local.R
//R/print.R
//R/utils.R
//R/handle.R
//R/submit.R
//R/livelog.R
//R/platform.R
//R/column-dt.R
//R/column-id.R
//R/assertions.R
//R/check-cran.R
//R/check-class.R
//R/rematch_all.R
//R/print-status.R
//R/column-result.R
//R/column-status.R
//R/check-shortcuts.R
//R/column-group-id.R