anchor.diff:        sprintf "<Component Id=\"%s\" Guid=\"%s\">\r\n%s\r\n</Component>\r\n" directoryInfo.Name (Guid.NewGuid().ToString()) files
   
       if asSubDir then
  -        sprintf "<Directory Id=\"%s\" Name=\"%s\">\r\n%s%s\r\n</Directory>\r\n" directoryInfo.Name directoryInfo.Name dirs compo
  +        sprintf "<Directory Id=\"di_%d\" Name=\"%s\">\r\n%s%s\r\n</Directory>\r\n" dirCount directoryInfo.Name dirs compo
       else
           sprintf "%s%s" dirs compo
   
  
positive.code: open System.IO
  
  let mutable internal fileCount = 0
  
  /// Creates a WiX File tag from the given FileInfo
  let wixFile (fileInfo:FileInfo) =
  
negative.code: 
  /// Creates recursive WiX directory and file tags from the given DirectoryInfo
  let rec wixDir fileFilter asSubDir (directoryInfo:DirectoryInfo) =
      dirCount <- dirCount + 1
      let dirs =
        directoryInfo
          |> subDirectories
  