anchor.diff:      '';
       doCheck = false; # https://github.com/chrisdone/hindent/issues/299
     })).override {
  -    haskell-src-exts = self.haskell-src-exts_1_19_0;
  +    haskell-src-exts = self.haskell-src-exts_1_19_1;
     };
   
     # https://github.com/yesodweb/Shelly.hs/issues/106
  
positive.code:   });
  
    # The latest Hoogle needs versions not yet in LTS Haskell 7.x.
    hoogle = super.hoogle.override { haskell-src-exts = self.haskell-src-exts_1_19_0; };
  
    # To be in sync with Hoogle.
    lambdabot-haskell-plugins = (overrideCabal super.lambdabot-haskell-plugins (drv: {
  
negative.code:   };
  
    # Needs new version.
    haskell-src-exts-simple = super.haskell-src-exts-simple.override { haskell-src-exts = self.haskell-src-exts_1_19_1; };
  
    # Test suite fails a QuickCheck property.
    optparse-applicative_0_13_0_0 = dontCheck super.optparse-applicative_0_13_0_0;
  