anchor.diff:      ProjectFile:string
       Dependencies: NugetDependencies
       DependenciesByFramework: NugetFrameworkDependencies list
  +    References: NugetReferences
  +    ReferencesByFramework: NugetFrameworkReferences list
       PublishTrials: int
       Publish: bool
       Properties: list<string*string> }
  
positive.code:     FrameworkVersion : string
      Dependencies : NugetDependencies }
      
  /// Nuget parameter type
  type NuGetParams = { 
      ToolPath: string
  
negative.code:          "@releaseNotes@",parameters.ReleaseNotes
           "@copyright@",parameters.Copyright]
           |> List.map (fun (placeholder, replacement) -> placeholder, xmlEncode replacement)
           |> List.append ["@dependencies@", dependenciesXml; "@references@", referencesXml]
  
      processTemplates replacements [specFile]
      tracefn "Created nuspec file %s" specFile
  