anchor.diff:  
   /// Signs assemblies according to the settings specified in the parameters using signtool.exe.
   /// This will be looked up using the toolsPath parameter.
  -let Sign (toolsPath : string) (parameters : SignParams) = 
  +let Sign (toolsPath : string) (parameters : SignParams) (filesToSign : seq<string>) = 
       traceStartTask "SignTool" "Trying to sign the specified assemblies"
     
       let signPath = toolsPath @@ "signtool.exe"
  
positive.code:     }
  
      let signParams = {
          FilesToSign = filesToSign
          Certificate = Some certToUse
          DevCertificate = certToUse
          TimeStampUrl = None
      }
  
      Sign toolsPath signParams
negative.code: 
  /// Parameters used for signing.
  type SignParams = {
      /// The dev certificate that will be used when the real certificate can not be found
      DevCertificate : SignCert
      /// The optional real certificate that will be used when it is found
  