anchor.diff:      xml.Save csproj
       
       !+ (buildDir @@ "**\\*") 
  -    |> Scan 
  -    |> Zip buildDir (sprintf "SolrNet-%s-sample.zip" version)
  +        |> Scan 
  +        |> Zip buildDir (sprintf "SolrNet-%s-sample.zip" version)
   )
   
   "Test" <== ["BuildAll"]
  
positive.code: 
  let version = "0.3.0"
  let buildDir = "merged"
  let (.>) (a: #seq<XElement>) (b: string) = Extensions.Descendants(a, xname b)
  let startsWith s (n: XElement) = n.Value.StartsWith s
  let contains s (n: XElement) = n.Value.Contains s
  let setValue s (n: XElement) = n.Value <- s
  let replaceValue orig repl (n: XElement) = n.Value <- n.Value.Replace((orig:string), (repl:string))
  
  let config = getBuildParamOrDefault "config" "debug"
  let target = getBuildParamOrDefault "target" "BuildAll"
  
  let slnBuild sln x = 
      sln |> build (fun p -> { p with 
  
negative.code:     DeleteFile (outputSampleApp @@ "SampleSolrApp.sln.cache")
      CreateDir (outputSampleApp @@ "lib")    
  
      !+ (outputSampleApp @@ "bin\\*") 
          -- "**\\SampleSolrApp.*" -- "**\\SolrNet.*"
          |> Scan
          |> Copy (outputSampleApp @@ "lib")
     
      ["pingsolr.js"; "license.txt"; "runsample.bat"] |> Copy buildDir
  
  