anchor.diff:      click
       colorama
       commoncode
  +    container-inspector
       debian-inspector
  -    dparse
  +    dparse2
       extractcode
       extractcode-7z
       extractcode-libarchive
  
positive.code:     packaging
      parameter-expansion-patched
      pefile
      pkginfo
      pluggy
      plugincode
      publicsuffix2
  
negative.code:     ftfy
      gemfileparser
      html5lib
      importlib-metadata
      intbitset
      jaraco_functools
      javaproperties
  