anchor.diff:    links = callPackage ../applications/networking/browsers/links { };
   
     ledger2 = callPackage ../applications/office/ledger/2.6.3.nix { };
  -  ledger3 = callPackage ../applications/office/ledger { };
  +  ledger3 = callPackage ../applications/office/ledger {
  +    boost = boost157;
  +  };
     ledger = ledger3;
   
     lighttable = callPackage ../applications/editors/lighttable {};
  
positive.code: 
    texi2html = callPackage ../development/tools/misc/texi2html { };
  
    uhd = callPackage ../development/tools/misc/uhd { };
  
    uisp = callPackage ../development/tools/misc/uisp { };
  
  
negative.code:     cmake = cmake-2_8;
    };
  
    freicoin = callPackage ../applications/misc/freicoin {
      boost = boost157;
    };
  
    fuze = callPackage ../applications/networking/instant-messengers/fuze {};
  
  