anchor.diff:              | Some f -> 
                   let refFile = ReferencesFile.FromFile f
                   refFile.Groups
  -                |> Seq.map (fun kv -> kv.Value.NugetPackages |> List.map (fun p -> kv.Key, p, false))
  +                |> Seq.map (fun kv -> kv.Value.NugetPackages |> List.map (fun p -> Some kv.Key, p))
                   |> List.concat
               | None -> []
             
  
positive.code:                             let settings : PackageInstallSettings = 
                                  { Name = PackageName name
                                    Settings = InstallSettings.Default }
                              yield GroupName("~~referenced-project"), settings, true
                      else
                          yield! getPackages proj
                  | None ->
  
negative.code:                             not nuspec.IsDevelopmentDependency
                      with
                      | _ -> true)
              |> List.map (fun (group, np) ->
                  match group with
                  | None ->
                      match version with
                      | Some v -> np.Name,VersionRequirement.Parse (v.ToString())
                      | None -> np.Name,VersionRequirement.AllReleases
                  | Some groupName ->
                      let dependencyVersionRequirement =
                          if not lockDependencies then
                              match dependencies.Groups |> Map.tryFind groupName with
  