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

Files: build/vignette.rds
 In the documentation (inst/doc/rtracklayer.Rnw) it is described how the
 vignette was created.

 -- Andreas Tille <tille@debian.org>  Wed, 04 Sep 2013 15:15:31 +0200

