anchor.diff:  
   let AddToCurrent () =
       let fn = vscode.window.activeTextEditor.document.fileName
  -    if fn.EndsWith(".fsproj") then
  +    if isProject fn then
           (vscode.window.showInputBox inputOptions)
           |> Helpers.Promise.success (fun n ->
               if Helpers.JS.isDefined n then sprintf "add nuget %s project \"%s\"" n fn |> spawnPaket)
           |> ignore
       else
  -        vscode.window.showErrorMessage "fsproj file needs to be opened" |> ignore
  +        vscode.window.showErrorMessage "project file needs to be opened" |> ignore
   
   let UpdateGroup () =
       "show-groups -s"
  
positive.code:     else a + "/" + b
  
  let localPaketDir = vscode.workspace.rootPath </> ".paket"
  let localPaket    = localPaketDir </>  "paket.exe"
  let localBootstrapper = localPaketDir </> "paket.bootstrapper.exe"
  let outputChannel = vscode.window.createOutputChannel "Paket"
  
negative.code:                 sprintf "update nuget %s project \"%s\" group %s" name fn group |> spawnPaket)
          |> ignore
      else
          vscode.window.showErrorMessage "project file needs to be opened" |> ignore
  
  let RemovePackage () =
      "show-installed-packages -s"
  