anchor.diff:    jack2Full = callPackage ../misc/jackaudio {
       libopus = libopus.override { withCustomModes = true; };
     };
  -  libjack2 = jack2Full.override { prefix = "lib"; };
  +  libjack2 = self.jack2Full.override { prefix = "lib"; };
     libjack2-git = callPackage ../misc/jackaudio/git.nix { };
   
     keynav = callPackage ../tools/X11/keynav { };
  
positive.code:   hxcpp = callPackage ../development/compilers/haxe/hxcpp.nix { };
  
    hhvm = callPackage ../development/compilers/hhvm { };
    hiphopvm = hhvm; /* Compatibility alias */
  
    hop = callPackage ../development/compilers/hop { };
  
  
negative.code: 
    ebtables = callPackage ../os-specific/linux/ebtables { };
  
    eject = self.utillinux;
  
    facetimehd-firmware = callPackage ../os-specific/linux/firmware/facetimehd-firmware { };
  
  