anchor.diff:  
     fswatch = callPackage ../development/tools/misc/fswatch { };
   
  +  frame = callPackage ../development/libraries/frame { };
  +
     pmd = callPackage ../development/tools/analysis/pmd { };
   
     jdepend = callPackage ../development/tools/analysis/jdepend { };
  
positive.code:   torbrowser = callPackage ../tools/security/tor/torbrowser.nix {
      stdenv = overrideCC stdenv gcc49;
    };
  
    torsocks = callPackage ../tools/security/tor/torsocks.nix { };
  
  
negative.code:   flex = flex_2_5_39;
  
    m4 = gnum4;
  
    geis = callPackage ../development/libraries/geis { };
  
    global = callPackage ../development/tools/misc/global { };
  
  