anchor.diff:      ftp://ftp.gmd.de/ftp.suse.com-discontinued/
     ];
   
  -  # openSUSE.
  +  # openSUSE
     opensuse = [
  -    http://opensuse.hro.nl/opensuse/distribution/
  -    http://ftp.funet.fi/pub/linux/mirrors/opensuse/distribution/
  -    http://ftp.belnet.be/mirror/ftp.opensuse.org/distribution/
  -    http://ftp.uni-kassel.de/opensuse/distribution/
  +    http://opensuse.temple.edu/distribution/
       http://ftp.opensuse.org/pub/opensuse/distribution/
  -    http://ftp5.gwdg.de/pub/opensuse/discontinued/distribution/
  -    http://ftp.hosteurope.de/mirror/ftp.opensuse.org/discontinued/
  -    http://opensuse.mirror.server4you.net/distribution/
  -    http://ftp.nsysu.edu.tw/Linux/OpenSuSE/distribution/
  -  ];
  -
  -  # Gnome (see http://ftp.gnome.org/pub/GNOME/MIRRORS).
  +  ];
  +
  +  # Gnome
     gnome = [
  +    http://gnome.mirrors.pair.com/
       # This one redirects to some mirror closeby, so it should be all you need.
       http://download.gnome.org/
  -
  -    http://ftp.unina.it/pub/linux/GNOME/
  -    http://fr2.rpmfind.net/linux/gnome.org/
  -    ftp://ftp.dit.upm.es/pub/GNOME/
  -    ftp://ftp.no.gnome.org/pub/GNOME/
  -    http://ftp.acc.umu.se/pub/GNOME/
  -    http://ftp.belnet.be/mirror/ftp.gnome.org/
  -    http://ftp.df.lth.se/pub/gnome/
  -    http://linorg.usp.br/gnome/
  -    http://mirror.aarnet.edu.au/pub/GNOME/
  -    ftp://ftp.cse.buffalo.edu/pub/Gnome/
  -    ftp://ftp.nara.wide.ad.jp/pub/X11/GNOME/
     ];
   
     xfce = [
       http://archive.xfce.org/
  -    http://mirror.netcologne.de/xfce/
  -    http://archive.se.xfce.org/xfce/
  -    http://archive.be.xfce.org/xfce/
  -    http://mirror.perldude.de/archive.xfce.org/
  -    http://archive.be2.xfce.org/
  -    http://ftp.udc.es/xfce/
  -    http://archive.al-us.xfce.org/
  -    http://mirror.yongbok.net/X11/xfce-mirror/
  -    http://mirrors.tummy.com/pub/archive.xfce.org/
  -    http://xfce.mirror.uber.com.au/
  -  ];
  -
  -  # X.org.
  +  ];
  +
  +  # X.Org
     xorg = [
  +    http://xorg.mirrors.pair.com/
       http://xorg.freedesktop.org/releases/
  -    http://ftp.gwdg.de/pub/x11/x.org/pub/
       http://ftp.x.org/pub/ # often incomplete (e.g. files missing from X.org 7.4)
     ];
   
  -  # Apache mirrors (see http://www.apache.org/mirrors/).
  +  # Apache
     apache = [
  -    http://www.eu.apache.org/dist/
  -    ftp://ftp.inria.fr/pub/Apache/
  -    http://apache.cict.fr/
  -    ftp://ftp.fu-berlin.de/unix/www/apache/
  -    ftp://crysys.hit.bme.hu/pub/apache/dist/
  -    http://mirror.cc.columbia.edu/pub/software/apache/
  +    http://apache.mirrors.pair.com/
       http://www.apache.org/dist/
       http://archive.apache.org/dist/ # fallback for old releases
  -    ftp://ftp.funet.fi/pub/mirrors/apache.org/
  -    http://apache.cs.uu.nl/dist/
     ];
   
     postgresql = [
  
positive.code: 
    # GNU (http://www.gnu.org/prep/ftp.html).
    gnu = [
      # This one redirects to a (supposedly) nearby and (supposedly) up-to-date
      # mirror.
      http://ftpmirror.gnu.org/
  
      http://ftp.nluug.nl/pub/gnu/
      http://mirrors.kernel.org/gnu/
      ftp://mirror.cict.fr/gnu/
      ftp://ftp.cs.tu-berlin.de/pub/gnu/
      ftp://ftp.chg.ru/pub/gnu/
      ftp://ftp.funet.fi/pub/mirrors/ftp.gnu.org/gnu/
  
      # This one is the master repository, and thus it's always up-to-date.
      http://ftp.gnu.org/pub/gnu/
    ];
  
    # GCC.
    gcc = [
      ftp://ftp.nluug.nl/mirror/languages/gcc/
      ftp://ftp.fu-berlin.de/unix/languages/gcc/
      ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/
      ftp://gcc.gnu.org/pub/gcc/
    ];
  
    # GnuPG.
    gnupg = [
      http://gd.tuwien.ac.at/privacy/gnupg/
      ftp://gd.tuwien.ac.at/privacy/gnupg/
      ftp://gnupg.x-zone.org/pub/gnupg/
      ftp://ftp.gnupg.cz/pub/gcrypt/
      ftp://sunsite.dk/pub/security/gcrypt/
      http://gnupg.wildyou.net/
      http://ftp.gnupg.zone-h.org/
      ftp://ftp.jyu.fi/pub/crypt/gcrypt/
      ftp://trumpetti.atm.tut.fi/gcrypt/
      ftp://mirror.cict.fr/gnupg/
      ftp://ftp.strasbourg.linuxfr.org/pub/gnupg/
      ftp://ftp.cert.dfn.de/pub/tools/crypt/gcrypt/
      ftp://ftp.franken.de/pub/crypt/mirror/ftp.gnupg.org/gcrypt/
      ftp://ftp.freenet.de/pub/ftp.gnupg.org/gcrypt/
      ftp://hal.csd.auth.gr/mirrors/gnupg/
      ftp://igloo.linux.gr/pub/crypto/gnupg/
      ftp://ftp.uoi.gr/mirror/gcrypt/
      ftp://ftp.crysys.hu/pub/gnupg/
      ftp://ftp.kfki.hu/pub/packages/security/gnupg/
      ftp://ftp.hi.is/pub/mirrors/gnupg/
      ftp://ftp.heanet.ie/mirrors/ftp.gnupg.org/gcrypt/
      ftp://ftp3.linux.it/pub/mirrors/gnupg/
      ftp://ftp.linux.it/pub/mirrors/gnupg/
      ftp://ftp.bit.nl/mirror/gnupg/
      ftp://ftp.demon.nl/pub/mirrors/gnupg/
      ftp://ftp.surfnet.nl/pub/security/gnupg/
      ftp://sunsite.icm.edu.pl/pub/security/gnupg/
      ftp://ftp.iasi.roedu.net/pub/mirrors/ftp.gnupg.org/
      http://ftp.gnupg.tsuren.net/
      http://www.mirror386.com/gnupg/
      ftp://ftp.sunet.se/pub/security/gnupg/
      ftp://mirror.switch.ch/mirror/gnupg/
      ftp://ftp.mirrorservice.org/sites/ftp.gnupg.org/gcrypt
  
      http://gnupg.unixmexico.org/ftp/
      ftp://ftp.gnupg.ca/
      http://gulus.usherbrooke.ca/pub/appl/GnuPG/
      http://mirrors.rootmode.com/ftp.gnupg.org/
  
      ftp://ftp.planetmirror.com/pub/gnupg/
  
      ftp://pgp.iijlab.net/pub/pgp/gnupg/
      ftp://ftp.ring.gr.jp/pub/net/gnupg/
      ftp://gnupg.cdpa.nsysu.edu.tw/gnupg/
    ];
  
    # kernel.org's /pub (/pub/{linux,software}) tree.
    kernel = [
      http://www.all.kernel.org/pub/
      http://ramses.wh2.tu-dresden.de/pub/mirrors/kernel.org/
      http://linux-kernel.uio.no/pub/
      http://kernel.osuosl.org/pub/
      ftp://ftp.funet.fi/pub/mirrors/ftp.kernel.org/pub/
    ];
  
    # Mirrors of ftp://ftp.kde.org/pub/kde/.
    kde = [
      "http://download.kde.org/download.php?url="
      http://ftp.gwdg.de/pub/x11/kde/
      ftp://ftp.heanet.ie/mirrors/ftp.kde.org/
      ftp://ftp.kde.org/pub/kde/
      ftp://ftp.funet.fi/pub/mirrors/ftp.kde.org/pub/kde/
    ];
  
    # Gentoo files.
    gentoo = [
      http://ftp.snt.utwente.nl/pub/os/linux/gentoo/
      http://distfiles.gentoo.org/
      ftp://mirrors.kernel.org/gentoo/
    ];
  
    savannah = [
      ftp://mirror.csclub.uwaterloo.ca/nongnu/
      ftp://mirror.publicns.net/pub/nongnu/
      ftp://savannah.c3sl.ufpr.br/
      http://download.savannah.gnu.org/releases/
      http://ftp.cc.uoc.gr/mirrors/nongnu.org/
      http://ftp.twaren.net/Unix/NonGNU/
      http://mirror.csclub.uwaterloo.ca/nongnu/
      http://nongnu.askapache.com/
      http://savannah.c3sl.ufpr.br/
      http://www.centervenus.com/mirrors/nongnu/
    ];
  
    samba = [
      http://samba.org/ftp/
      http://ftp.riken.jp/net/samba
    ];
  
    # BitlBee mirrors, see http://www.bitlbee.org/main.php/mirrors.html .
    bitlbee = [
      http://get.bitlbee.org/
      http://get.bitlbee.be/
      http://get.us.bitlbee.org/
      http://ftp.snt.utwente.nl/pub/software/bitlbee/
      http://bitlbee.intergenia.de/
    ];
  
    # ImageMagick mirrors, see http://www.imagemagick.org/script/download.php.
    imagemagick = [
      ftp://ftp.nluug.nl/pub/ImageMagick/
      ftp://ftp.imagemagick.org/pub/ImageMagick/
      ftp://ftp.imagemagick.net/pub/ImageMagick/
      ftp://ftp.sunet.se/pub/multimedia/graphics/ImageMagick/
    ];
  
    # CPAN mirrors.
    cpan = [
      http://ftp.gwdg.de/pub/languages/perl/CPAN/
      ftp://download.xs4all.nl/pub/mirror/CPAN/
      ftp://ftp.nl.uu.net/pub/CPAN/
      http://ftp.funet.fi/pub/CPAN/
      http://cpan.perl.org/
      http://backpan.perl.org/  # for old releases
    ];
  
    # Debian.
    debian = [
      ftp://ftp.au.debian.org/debian/
      ftp://ftp.de.debian.org/debian/
      ftp://ftp.es.debian.org/debian/
      ftp://ftp.fr.debian.org/debian/
      ftp://ftp.it.debian.org/debian/
      ftp://ftp.nl.debian.org/debian/
      ftp://ftp.ru.debian.org/debian/
      ftp://ftp.debian.org/debian/
      http://ftp.debian.org/debian/
      http://archive.debian.org/debian-archive/debian/
      ftp://ftp.funet.fi/pub/mirrors/ftp.debian.org/debian/
    ];
  
    # Ubuntu.
    ubuntu = [
      http://nl.archive.ubuntu.com/ubuntu/
      http://de.archive.ubuntu.com/ubuntu/
      http://archive.ubuntu.com/ubuntu/
      http://old-releases.ubuntu.com/ubuntu/
    ];
  
    # Fedora (please only add full mirrors that carry old Fedora distributions as well).
    # See: https://mirrors.fedoraproject.org/publiclist (but not all carry old content).
    fedora = [
      http://archives.fedoraproject.org/pub/fedora/
      http://fedora.osuosl.org/
      http://ftp.nluug.nl/pub/os/Linux/distr/fedora/
      http://ftp.funet.fi/pub/mirrors/ftp.redhat.com/pub/fedora/
      http://fedora.bhs.mirrors.ovh.net/
      http://mirror.csclub.uwaterloo.ca/fedora/
      http://ftp.linux.cz/pub/linux/fedora/
      http://ftp.heanet.ie/pub/fedora/
      http://mirror.1000mbps.com/fedora/
      http://archives.fedoraproject.org/pub/archive/fedora/
    ];
  
negative.code:     ftp://ftp.xemacs.org/sites/metalab.unc.edu/
    ];
  
    # CRAN (R language)
    cran = [
      http://watson.nci.nih.gov/cran_mirror/
      http://cran.revolutionanalytics.com/
      http://cran.mtu.edu/
    ];
  
    # Hackage mirrors
  