anchor.diff:              yield GenerateNode (assembly.toString) (assembly.toString) "Assembly"
       }
   
  -let GraphLinks (antho : Anthology) (projects : Project set) =
  -    let allReferencedProjects = projects |> Set.map (fun x -> x.ProjectReferences)
  -                                         |> Set.unionMany
  -                                         |> Set.map (fun x -> antho.Projects |> Seq.find (fun y -> y.ProjectGuid = x))
  -    let importedProjects = Set.difference allReferencedProjects projects
  +let GraphLinks (projects : Project set) (allProjects : Project set) =
  +    let importedProjects = Set.difference allProjects projects
   
       seq {
           for project in projects do
  
positive.code:             XElement(NsDgml + "Setter", XAttribute(NsNone + "Property", "Icon"), XAttribute(NsNone + "Value", "CodeSchema_Method"))))
  
  
  let GraphContent (antho : Anthology) (allProjects : Project set) =
      let repos = allProjects |> Set.map (fun x -> x.ProjectReferences)
                              |> Set.unionMany
                              |> Set.map (fun x -> antho.Projects |> Seq.find (fun y -> y.ProjectGuid = x))
                              |> Set.map (fun x -> x.Repository)
      let xNodes = XElement(NsDgml + "Nodes", GraphNodes antho allProjects)
      let xLinks = XElement(NsDgml+"Links", GraphLinks antho allProjects)
      let xCategories = XElement(NsDgml + "Categories", GraphCategories repos)
      let xProperties = XElement(NsDgml + "Properties", GraphProperties ())
      let xStyles = GraphStyles ()
  
negative.code:         XAttribute(NsNone + "Target", target),
          XAttribute(NsNone + "Category", category))
  
  let GraphNodes (projects : Project set) (allProjects : Project set) =
      let importedProjects = Set.difference allProjects projects
      let allPackageReferences = projects |> Seq.map (fun x -> x.PackageReferences)
                                          |> Seq.concat
      let allAssemblies = projects |> Seq.map (fun x -> x.AssemblyReferences)
                                   |> Seq.concat
  
      let repos = allProjects |> Set.map (fun x -> x.Repository)
  
      seq {
          for repo in repos do
  