anchor.diff:    ubuntu = [
       "https://nl.archive.ubuntu.com/ubuntu/"
       "https://old-releases.ubuntu.com/ubuntu/"
  +    "https://mirrors.edge.kernel.org/ubuntu/"
       "http://de.archive.ubuntu.com/ubuntu/"
       "http://archive.ubuntu.com/ubuntu/"
     ];
  
positive.code:   cpan = [
      "https://cpan.metacpan.org/"
      "https://cpan.perl.org/"
      "https://backpan.perl.org/"  # for old releases
    ];
  
  
negative.code:     "https://ftp.funet.fi/pub/linux/mirrors/opensuse/distribution/"
      "https://ftp.opensuse.org/pub/opensuse/distribution/"
      "https://ftp5.gwdg.de/pub/opensuse/discontinued/distribution/"
      "https://mirrors.edge.kernel.org/opensuse/distribution/"
      "http://ftp.hosteurope.de/mirror/ftp.opensuse.org/discontinued/"
    ];
  
  