Key Files

  • License field in DESCRIPTION
    • Name + version (GPL (>= 2), Apache License (= 2.0))
    • Standard abbreviation (GPL-2, LGPL-2.1, Artistic-2.0)
    • Name + file (MIT + file LICENSE)
    • Pointer to full text of non-standard license, file LICENSE
  • LICENSE file:
    1. Further details (copyright holder + year for MIT), or
    2. Full text of non-standard license
  • LICENSE.md = copy of full license text (.Rbuildignored for CRAN)