anchor.diff:      gitAndTools.hub
   
       # Go
  -    go
  +    # go
   
       # Graphing/Statistics
  -    gnuplot
  +    # gnuplot
       graphviz
       # FIXME: R
   
  
positive.code:     # sqlite
  
      # Document Preparation
      asciidoc
      docbook5
      docbook5_xsl
      ghostscript
      groff
      latex2html
  
negative.code:     sbcl
  
      # Messaging
      # zeromq
  
      # Miscellaneous
      # FIXME: calibre
  