anchor.diff:          dep
   
       let buildDependenciesNode dependencyList =
  -        if dependencyList = [] then () else
  +        if  List.isEmpty dependencyList then () else
           let d = XElement(ns + "dependencies")
           dependencyList |> List.iter (buildDependencyNode >> d.Add)
           metadataNode.Add d
  
positive.code:         dep
  
      let buildReferencesNode referenceList =
          if referenceList = [] then () else
          let d = XElement(ns + "references")
          referenceList |> List.iter (buildReferenceNode >> d.Add)
          metadataNode.Add d
  
negative.code:         element
  
      let buildFrameworkReferencesNode frameworkAssembliesList =
          if List.isEmpty frameworkAssembliesList then () else
          let d = XElement(ns + "frameworkAssemblies")
          frameworkAssembliesList |> List.iter (buildFrameworkReferencesNode >> d.Add)
          metadataNode.Add d
  