anchor.diff:      /* Config options */
   
       warnUndeclaredOptions = mkOption {
  -      description = "Whether to warn when <literal>config</literal> contains an unrecognized attribute.";
  +      description = lib.mdDoc "Whether to warn when `config` contains an unrecognized attribute.";
         type = types.bool;
         default = false;
       };
   
       doCheckByDefault = mkMassRebuild {
  -      feature = "run <literal>checkPhase</literal> by default";
  +      feature = "run `checkPhase` by default";
       };
   
       strictDepsByDefault = mkMassRebuild {
  -      feature = "set <literal>strictDeps</literal> to true by default";
  +      feature = "set `strictDeps` to true by default";
       };
   
       enableParallelBuildingByDefault = mkMassRebuild {
  -      feature = "set <literal>enableParallelBuilding</literal> to true by default";
  +      feature = "set `enableParallelBuilding` to true by default";
       };
   
       configurePlatformsByDefault = mkMassRebuild {
  -      feature = "set <literal>configurePlatforms</literal> to <literal>[\"build\" \"host\"]</literal> by default";
  +      feature = "set `configurePlatforms` to `[\"build\" \"host\"]` by default";
       };
   
       contentAddressedByDefault = mkMassRebuild {
  -      feature = "set <literal>__contentAddressed</literal> to true by default";
  +      feature = "set `__contentAddressed` to true by default";
       };
   
       allowAliases = mkOption {
         type = types.bool;
         default = true;
  -      description = ''
  +      description = lib.mdDoc ''
           Whether to expose old attribute names for compatibility.
   
           The recommended setting is to enable this, as it
  
positive.code:       default = false;
        # getEnv part is in check-meta.nix
        defaultText = literalExpression ''false || builtins.getEnv "NIXPKGS_ALLOW_BROKEN" == "1"'';
        description = ''
          Whether to allow broken packages.
  
          See <link xlink:href="https://nixos.org/manual/nixpkgs/stable/#sec-allow-broken">Installing broken packages</link> in the NixOS manual.
        '';
      };
  
  
negative.code:       default = false;
        # getEnv part is in check-meta.nix
        defaultText = literalExpression ''false || builtins.getEnv "NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM" == "1"'';
        description = lib.mdDoc ''
          Whether to allow unsupported packages.
  
          See [Installing packages on unsupported systems](https://nixos.org/manual/nixpkgs/stable/#sec-allow-unsupported-system) in the NixOS manual.
        '';
      };
  
      showDerivationWarnings = mkOption {
        type = types.listOf (types.enum [ "maintainerless" ]);
        default = [];
        description = lib.mdDoc ''
          Which warnings to display for potentially dangerous
          or deprecated values passed into `stdenv.mkDerivation`.
  
          A list of warnings can be found in
          [/pkgs/stdenv/generic/check-meta.nix](https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/check-meta.nix).
  
          This is not a stable interface; warnings may be added, changed
          or removed without prior notice.
  