anchor.diff:    ];
   
     preConfigure = ''
  -    cp -v $amrnb_3gpp 26104-d00.zip
  +    cp -v $amrnb_3gpp 26104-e00.zip
     '';
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       description = "AMR Narrow-Band Codec";
       homepage = http://www.penguin.cz/~utx/amr;
       # The wrapper code is free, but not the libraries from 3gpp.
  
positive.code:   name = "amrnb-11.0.0.0";
  
    # http://www.3gpp.org/DynaReport/26104.htm
    # NOTE: When updating amrnb-3gpp, update every instance of 26104-d00 to the
    #       updated file name.
    amrnb_3gpp = fetchurl {
      # Rel-13
      url = "http://www.3gpp.org/ftp/Specs/archive/26_series/26.104/26104-d00.zip";
      multihash = "QmWFJTCdcERKsPwkkWLGhRhz54QEosYWmVJpxTkKw3CFuh";
      sha256 = "d5447f8a672243dd9db32ba64fd69181da725cac1f7b347c0af95d9949a47619";
    };
  
    src = fetchurl {
  
negative.code: { stdenv
  , fetchurl
  , lib
  , unzip
  }:
  
  