anchor.diff:  { lib, stdenv, fetchurl, jre, makeDesktopItem, makeWrapper, unzip, language ? "en_US" }:
   let
     pname = "geogebra";
  -  version = "5-0-680-0";
  +  version = "5-0-706-0";
   
     srcIcon = fetchurl {
       url = "http://static.geogebra.org/images/geogebra-logo.svg";
  
positive.code:       calculus in one easy-to-use package.
      '';
      homepage = "https://www.geogebra.org/";
      maintainers = with maintainers; [ sikmir ];
      license = with licenses; [ gpl3 cc-by-nc-sa-30 geogebra ];
      platforms = with platforms; linux ++ darwin;
      hydraPlatforms = [];
  
negative.code:     src = fetchurl {
        urls = [
          "https://download.geogebra.org/installers/5.0/GeoGebra-MacOS-Installer-withJava-${version}.zip"
          "https://web.archive.org/web/20220516132502/https://download.geogebra.org/installers/5.0/GeoGebra-MacOS-Installer-withJava-${version}.zip"
        ];
        sha256 = "0070ec8d8d5f79c921b5d7433048c2c114ec4b812d839bb04e67848fce24ee0a";
      };
  
      dontUnpack = true;
  