anchor.diff:    # Mirrors for mirror://site/filename URIs, where "site" is
     # "sourceforge", "gnu", etc.
   
  -  # Apache
     apache = [
  +    https://www.apache.org/dist/
       http://apache.mirrors.pair.com/
  -    http://www.apache.org/dist/
       http://archive.apache.org/dist/ # fallback for old releases
     ];
   
  -  # Bioconductor mirrors (from http://bioconductor.org/about/mirrors)
  -  # The commented-out ones don't seem to allow direct package downloads;
  -  # they serve error messages that result in hash mismatches instead.
  +  # Bioconductor mirrors
     bioc = [
  -    # http://bioc.ism.ac.jp/3.2/bioc/
  -    # http://bioc.openanalytics.eu/3.2/bioc/
  -    # http://bioconductor.fmrp.usp.br/3.2/bioc/
  -    # http://mirror.aarnet.edu.au/pub/bioconductor/3.2/bioc/
  -    # http://watson.nci.nih.gov/bioc_mirror/3.2/bioc/
       http://bioconductor.jp/packages/3.2/bioc/
       http://bioconductor.statistik.tu-dortmund.de/packages/3.2/bioc/
       http://mirrors.ebi.ac.uk/bioconductor/packages/3.2/bioc/
  
positive.code:   ];
  
    metalab = [
      ftp://mirrors.kernel.org/metalab/
      ftp://ftp.gwdg.de/pub/linux/metalab/
      ftp://ftp.xemacs.org/sites/metalab.unc.edu/
    ];
  
    # MySQL mirrors
    mysql = [
      http://mysql.mirrors.pair.com/Downloads/
      http://cdn.mysql.com/Downloads/
    ];
  
    # OpenBSD mirrors
    openbsd = [
      http://openbsd.mirrors.pair.com/
      http://ftp.openbsd.org/pub/OpenBSD/
    ];
  
    # openSUSE
    opensuse = [
      http://opensuse.temple.edu/distribution/
      http://ftp.opensuse.org/pub/opensuse/distribution/
  
negative.code:     http://cflags.cc/roy/
    ];
  
    sagemath = [
      http://boxen.math.washington.edu/home/sagemath/sage-mirror/src/
      http://mirrors.hustunique.com/sagemath/src/
  