anchor.diff:    merkaartor = callPackage ../applications/misc/merkaartor { };
   
     meshlab = callPackage ../applications/graphics/meshlab {
  -    qt = qt4;
  +    qt = qt47;
     };
   
     midori = builderDefsPackage (import ../applications/networking/browsers/midori) {
  
positive.code: 
    soprano = callPackage ../development/libraries/soprano { };
  
    soqt = callPackage ../development/libraries/soqt { };
  
    speechd = callPackage ../development/libraries/speechd { };
  
  
negative.code:   };
  
    paraview = callPackage ../applications/graphics/paraview {
      qt4 = qt47;
    };
  
    pdftk = callPackage ../tools/typesetting/pdftk { };
  