anchor.diff:        mktemp
         mod_python
         module_init_tools
  -      mono
         mysql
         #mythtv
         nano
  
positive.code:       gawk
        gcc
        gcc34
        gcc42
        gdb
        ghc
        ghostscript
  
negative.code:       pidgin
        pkgconfig
        postgresql
        procps
        pwdutils
        python
  