anchor.diff:    spyder = pythonPackages.spyder;
   
     openspace = callPackage ../applications/science/astronomy/openspace { };
  -  
  +
     stellarium = libsForQt5.callPackage ../applications/science/astronomy/stellarium { };
   
     tulip = callPackage ../applications/science/misc/tulip {
  
positive.code:   lldb_6 = llvmPackages_6.lldb;
  
    llvm = llvmPackages.llvm;
  
    llvm_6  = llvmPackages_6.llvm;
    llvm_5  = llvmPackages_5.llvm;
  
negative.code:   sofia_sip = callPackage ../development/libraries/sofia-sip { };
  
    soil = callPackage ../development/libraries/soil { };
  
    sonic = callPackage ../development/libraries/sonic { };
  
    soprano = callPackage ../development/libraries/soprano { };
  