anchor.diff:  """
   
   let delExpected =
  -    let emptyItemGroup = if runningOnMono then "<ItemGroup></ItemGroup>" else "<ItemGroup />"
  -
       """<?xml version="1.0" encoding="utf-8"?>
   <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
     <PropertyGroup>
  
positive.code:     <AssemblyName>Test</AssemblyName>
      <Name>Test</Name>
    </PropertyGroup>
      """
      + emptyItemGroup +
      """
      </Project>
      """
  
  [<Test>]
  
negative.code: """
  
  let delMultipleIGExpected =
      """<?xml version="1.0" encoding="utf-8"?>
  <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
    <PropertyGroup>
  