anchor.diff:            '';
           });
           # https://github.com/ygale/timezone-series/pull/1
  -        timezone-series = self.callPackage (cabal2nixResult sources.timezone-series) {};
  +        timezone-series = doJailbreak (self.callPackage (cabal2nixResult sources.timezone-series) {});
           constraints = overrideCabal super.constraints (drv: {
             version = "0.9";
             sha256 = "17fjr30ig7v1g7w3bkhn1rnhdfqvq9y2g0xx3clqvlfdx9f17d5p";
           });
  +        aeson-compat = doJailbreak super.aeson-compat;
   
           # Jailbreaks
           ref-tf = doJailbreak super.ref-tf;
  
positive.code:         let reflexDom = import ./reflex-dom self;
              jsaddlePkgs = import ./jsaddle self;
              ghcjsDom = import ./ghcjs-dom self;
          in {
          ########################################################################
          # Reflex packages
  
negative.code:     addReflexTraceEventsFlag = if enableTraceReflexEvents
        then drv: appendConfigureFlag drv "-fdebug-trace-events"
        else drv: drv;
      addExposeAllUnfoldingsFlag = if enableExposeAllUnfoldings
        then drv: appendConfigureFlag drv "-fexpose-all-unfoldings"
        else drv: drv;
  