anchor.diff:  module Fake.MSBuildHelper
   
   open System
  -open System.Text
   open System.IO
   open System.Configuration
  -open System.Xml
   open System.Xml.Linq
   
   /// An type to represent MSBuild project files.
  
positive.code:     |> separated " "
  
  /// [omit]
  let serializeMSBuildParams (p : MSBuildParams) = 
      let verbosityName v =
          match v with
          | Quiet -> "q"
  
negative.code:     let projectDir = (fileInfo projectFile).Directory.FullName
      let mutable prefix = ""
      let diff = slashes projectDir - slashes currentDir
      prefix <- prefix + (String.replicate diff "../")
  
      MSBuildDebug "" "Rebuild" [ projectFile ] |> ignore
      MSBuild "" "_CopyWebApplication;_BuiltWebOutputGroupOutput" 
          [ "OutDir", prefix + outputPath
  