anchor.diff:          with _ -> 
               return [| |]
       }
  +#endif
       let! indicator = WorldBankDataProvider<Asynchronous=true>.GetDataContext().Countries.``United Kingdom``.Indicators.``School enrollment, tertiary (% gross)``
       let result = 
           [ 
             [ for row in Seq.truncate 5 stocks.Rows -> sprintf "HLOC: (%A, %A, %A, %A)" row.High row.Low row.Open row.Close ]
             [ for item in Seq.truncate 5 rss.Channel.Items -> item.Title ]
  +#if GITHUB
             [ for issue in Seq.truncate 5 issues -> sprintf "#%d %s" issue.Number issue.Title ]
  +#endif
             [ for year, value in Seq.truncate 5 indicator -> sprintf "%d %f" year value ]
           ]
           |> List.collect id
  
positive.code:         |> Async.Ignore
      let! stocks = Stocks.AsyncGetSample()
      let! rss = RSS.AsyncGetSample()
      let! issues = async {
          try
              // doesn't work on Win8 (#548)
  
negative.code: 
  type RSS = XmlProvider<"http://tomasp.net/blog/rss.aspx">
  
  #if GITHUB
  type GitHub = JsonProvider<"https://api.github.com/repos/fsharp/FSharp.Data/issues">
  #endif
  
  let getTestData() = async {
      do! Http.AsyncRequest("https://accounts.coursera.org/api/v1/login",
  