anchor.diff:      showFiles
       showOption
       unknownModule
  +    literalExample
       ;
   in
   
  
positive.code:           # paths, meaning recursiveUpdate will never override any value
            else recursiveUpdate freeformConfig declaredConfig;
  
        checkUnmatched =
          if config._module.check && config._module.freeformType == null && merged.unmatchedDefns != [] then
            let
  
negative.code: 
        result = builtins.seq checkUnmatched {
          inherit options;
          config = finalConfig;
          inherit (config) _module;
        };
      in result;
  