dh-r 20200104 (s390x binary) in ubuntu focal

 Provides the R package buildsystem for debhelper.
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 Additional tools:
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  convert-to-dh-r: convert the dependencies of an existing R package
                   from using CDBS to use dh-r
  dh-make-R: generate packaging skeletons for R packages
  dh-update-R: update (versioned) dependencies of R packages,
                   Vcs-fields and Maintainer field