Query 'R' Versions, Including 'r-release' and 'r-oldrel'
c(
    person("Gábor", "Csárdi", , "csardi.gabor@gmail.com", role = c("aut", "cre")),
    person("Jeroen", "Ooms", , "jeroen.ooms@stat.ucla.edu", role = "ctb"),
    person("R Consortium", role = c("fnd")))
Query the main 'R' 'SVN' repository to find the
    versions 'r-release' and 'r-oldrel' refer to, and also all
    previous 'R' versions and their release dates.
Gábor Csárdi [aut, cre],
  Jeroen Ooms [ctb],
  R Consortium [fnd]