anchor.diff:  
       member this.GetOutputDirectory buildConfiguration =
           let rec handleElement (data : Map<string, string>) (node : XmlNode) =
  -            let inline processPlaceholders (data : Map<string, string>) text =
  +            let processPlaceholders (data : Map<string, string>) text =
                   let getPlaceholderValue (name:string) =
                       // Change "$(Configuration)" to "Configuration",
                       // then find in the data map
  
positive.code: 
                  System.Text.RegularExpressions.Regex.Matches(text, regex)
                  |> fun x -> System.Linq.Enumerable.Cast<System.Text.RegularExpressions.Match>(x)
                  |> Seq.rev
                  |> Seq.fold replacePlaceholder text
  
              let inline conditionMatches data condition =
                  // TODO: Process conditions
                  true
  
              let inline addData data (node:XmlNode) =
                  let text = processPlaceholders data node.InnerText
                  // Note that using Map.add overrides the value assigned
                  // to this key if it already exists in the map; so long
  
negative.code:                 // behavior of MSBuild.
                  Map.add node.Name text data
  
              let handleConditionalElement data node =
                  node
                  |> getAttribute "Condition"
                  |> function
  