anchor.diff:  
   Target "Watch" <| fun _ ->
       use watcher =
  -        !!"*.fs"
  +        !!"./**/*.fs"
           --"AssemblyInfo.fs"
           |> WatchChanges (fun changes ->
               tracefn "%A" changes
  
positive.code: "AssemblyInfo"
  ==> "Compile"
  ==> "Run"
  
  RunTargetOrDefault "Help"
  
negative.code:          Attribute.FileVersion version]
  
  Target "Compile" <| fun _ ->
      // NOTE: file order matters, so this must be explicit.
      // TODO: allow an environVar to specify the file list.
      ["AssemblyInfo.fs"
       "Main.fs"]
      |> Fsc (fun p ->
              { p with
                  Output = exeName
  