anchor.diff:  
           let getBasicTemplate' = lazy getBasicTemplate holes
           let getPageTemplate' = lazy getPageTemplate holes
  -
  -        static let memoize f =
  -            let d = Dictionary()
  -            fun x ->
  -                match d.TryGetValue(x) with
  -                | true, y -> y
  -                | _ ->
  -                    let y = f x
  -                    d.[x] <- y
  -                    y
   
           static let getTemplate freq (path: string) (parse: string -> _) =
               match freq with
  
positive.code:         watcher.Changed.Add(fun _ -> recompile ())
          watcher :> System.IDisposable
  
      [<Sealed>]
      type Template<'T>(getBasicTemplate, getPageTemplate, holes: Map<string,Hole<'T>>, controls: Queue<_>) =
  
  
negative.code: module Content =
      open System
      open System.Collections.Generic
      open System.Collections.Concurrent
      open System.Text.RegularExpressions
      open System.Web
  
  