anchor.diff:    };
   
     clang = llvmPackages.clang;
  +  clang-manpages = llvmPackages.clang-manpages;
   
     clang-sierraHack = clang.override {
       name = "clang-wrapper-with-reexport-hack";
  
positive.code:   sofia_sip = callPackage ../development/libraries/sofia-sip { };
  
    soil = callPackage ../development/libraries/soil { };
    
    sonic = callPackage ../development/libraries/sonic { };
  
    soprano = callPackage ../development/libraries/soprano { };
  
negative.code:   spyder = pythonPackages.spyder;
  
    openspace = callPackage ../applications/science/astronomy/openspace { };
  
    stellarium = libsForQt5.callPackage ../applications/science/astronomy/stellarium { };
  
    tulip = callPackage ../applications/science/misc/tulip {
  