anchor.diff:  
   open System
   open System.IO
  +open System.Net
   open System.Reflection
   
   module CT = ContentTypes
  
positive.code:         this.WriteAttribute(name, value, false)
  
      member this.WriteAttribute(name: string, value: string, encoded: bool) =
          this.Write(" {0}=\"{1}\"", name, encodeText value)
  
  #endif
  
  
negative.code: 
      let mutable tagStack = System.Collections.Generic.Stack()
      let currentAttributes = ResizeArray()
  
      new (w) = new HtmlTextWriter(w, "\t")
  
  