Explanation for binary files inside source package according to
  http://lists.debian.org/debian-devel/2013/09/msg00332.html

Files: data/*.rda
Documented: man/*.Rd
  Each binary data file has an accompanying documentation file
  specifying the source of the data file in man/

 -- Andreas Tille <tille@debian.org>  Thu, 07 Sep 2017 21:32:12 +0200
