anchor.diff:    rubber = all;
     ruby = all;
     qt3 = all;
  -  qt4 = all;
  +  qt4 = linux;
     rsync = all;
     sloccount = all;
     strace = linux;
  
positive.code:   cedet = all;
    emacs22 = all;
    emacsUnicode = all;
    emms = all;
    eprover = linux;
    evince = all;
    firefox3 = linux;
    gcc = all;
    gdb = all;
    ghostscript = all;
    ghostscriptX = all;
    git = all;
    gnuplot = all;
    gnuplotX = linux;
    gnutls = all;
  
negative.code:   nano = all;
    nssmdns = linux;
    ntfs3g = linux;
    octave = linux;
    openoffice = linux;
    openssh = all;
    pan = linux;
    perl = all;
    pidgin = linux;
    pltScheme = linux;
    pmccabe = all;
    portmap = linux;
  