anchor.diff:  
   in stdenv.mkDerivation rec {
     pname = "obsidian";
  -  version = "0.13.23";
  +  version = "0.13.30";
   
     src = fetchurl {
       url = "https://github.com/obsidianmd/obsidian-releases/releases/download/v${version}/obsidian-${version}.tar.gz";
  -    sha256 = "1chxf6vrybjvc64k66a3l5xvv6iv6w8b03pdcrc0pr0nnlwkcf8c";
  +    sha256 = "ymdqdDD7WWfol/jLBsz8tEzcN7Ed1HSIrkuA51cvKKw=";
     };
   
     nativeBuildInputs = [ makeWrapper graphicsmagick ];
  
positive.code:     description =
        "A powerful knowledge base that works on top of a local folder of plain text Markdown files";
      homepage = "https://obsidian.md";
      license = licenses.obsidian;
      maintainers = with maintainers; [ conradmearns zaninime ];
      platforms = [ "x86_64-linux" ];
  
negative.code: { stdenv, fetchurl, lib, makeWrapper, electron_16, makeDesktopItem, graphicsmagick
  , writeScript }:
  
  let
    electron = electron_16;
    icon = fetchurl {
      url =
        "https://forum.obsidian.md/uploads/default/original/1X/bf119bd48f748f4fd2d65f2d1bb05d3c806883b5.png";
  