gnu: Add r-ttr.
authorRicardo Wurmus <rekado@elephly.net>
Fri, 2 Mar 2018 21:55:10 +0000 (22:55 +0100)
committerRicardo Wurmus <rekado@elephly.net>
Fri, 2 Mar 2018 21:55:10 +0000 (22:55 +0100)
commit93c21ddc8620ec1e6930b85161cdbc89fc459f02
tree5ed1aa3ae1591715441803bc499b6d4d530b4f49
parent4e35c4290ef64e8fba376f9c3d9754757ebf89da
gnu: Add r-ttr.

* gnu/packages/cran.scm (r-ttr): New variable.
gnu/packages/cran.scm