anchor.diff:  let generateImportCopy (project : Project) =
       let projectRefs = seq {
           for prjRef in project.ProjectReferences do
  -            yield XElement(NsMsBuild + "FBProjectReferences",
  -                    XAttribute(NsNone + "Include", sprintf "$(SolutionDir)/.full-build/projects/%s-copy.targets" prjRef.toString))
  +            let prjProperty = ProjectPropertyName prjRef
  +            let condition = sprintf "'$(%s_Copy)' == ''" prjProperty
  +
  +            yield XElement(NsMsBuild + "Import",
  +                    XAttribute(NsNone + "Include", sprintf "$(SolutionDir)/.full-build/projects/%s-copy.targets" prjRef.toString),
  +                    XAttribute(NsNone + "Condition", condition)
       }
   
       let packageRefs = seq {
           for pkgRef in project.PackageReferences do
  -            yield XElement(NsMsBuild + "FBProjectReferences",
  -                    XAttribute(NsNone + "Include", sprintf "$(SolutionDir)/.full-build/packages/%s/package-copy.targets" pkgRef.toString))
  +            let pkgProperty = PackagePropertyName pkgRef
  +            let condition = sprintf "'$(%s_Copy)' == ''" pkgProperty
  +            yield XElement(NsMsBuild + "Import",
  +                    XAttribute(NsNone + "Include", sprintf "$(SolutionDir)/.full-build/packages/%s/package-copy.targets" pkgRef.toString),
  +                    XAttribute(NsNone + "Condition", condition)
       }
   
       let output = (project.Output.toString)
  
positive.code:               | OutputType.Dll -> "dll"
                | OutputType.Exe -> "exe"
      let copyFile = sprintf "%s/%s.%s" MSBUILD_BIN_FOLDER output ext
      XDocument(
          XElement(NsMsBuild + "Project",
              projectRefs,
              packageRefs,
              XElement(NsMsBuild + "ItemGroup",
  
negative.code: 
  let generateCopyFromTarget (project : Project) =
      let projectProperty = ProjectPropertyName project
      let binCondition = sprintf "'$(%s)' == ''" projectProperty
  
      XElement(NsMsBuild + "Target",
  