anchor.diff:        default = "true";
         example = "false";
         type = types.enum [ "true" "resolve" "false" ];
  -      description = ''
  +      description = lib.mdDoc ''
           Controls Link-Local Multicast Name Resolution support
           (RFC 4795) on the local host.
   
           If set to
  -
  -        <variablelist>
  -        <varlistentry>
  -          <term><literal>"true"</literal></term>
  -          <listitem><para>
  -            Enables full LLMNR responder and resolver support.
  -          </para></listitem>
  -        </varlistentry>
  -        <varlistentry>
  -          <term><literal>"false"</literal></term>
  -          <listitem><para>
  -            Disables both.
  -          </para></listitem>
  -        </varlistentry>
  -        <varlistentry>
  -          <term><literal>"resolve"</literal></term>
  -          <listitem><para>
  -            Only resolution support is enabled, but responding is disabled.
  -          </para></listitem>
  -        </varlistentry>
  -        </variablelist>
  +        - `"true"`: Enables full LLMNR responder and resolver support.
  +        - `"false"`: Disables both.
  +        - `"resolve"`: Only resolution support is enabled, but responding is disabled.
         '';
       };
   
  
positive.code: 
          For compatibility reasons, if this setting is not specified,
          the search domains listed in
          <filename>/etc/resolv.conf</filename> are used instead, if
          that file exists and any domains are configured in it.
        '';
      };
  
negative.code:       default = [ ];
        example = [ "8.8.8.8" "2001:4860:4860::8844" ];
        type = types.listOf types.str;
        description = lib.mdDoc ''
          A list of IPv4 and IPv6 addresses to use as the fallback DNS servers.
          If this option is empty, a compiled-in list of DNS servers is used instead.
        '';
  