name "versions"

table {
   class "gray"   
      [ "version" "name" "developed with"
        "started" "announced" "released" "dismissed"
      ] 
   class "orange" 
      [ "2" "basic_2" @("http://matita.cs.unibo.it/" "Matita 0.99.2")
        "April 2011" "July 2014" "Planned in 2014" "Not planned yet"
      ] 
   class "red"
      [ "1" "basic_1" @("http://coq.inria.fr/" "Coq 7.3.1")
        "May 2004" "January 2006" "November 2006" "May 2008" ] 
}

class "component" [ 0 ]