anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "evince";
  -  version = "43.alpha";
  +  version = "43.0";
   
     outputs = [ "out" "dev" "devdoc" ];
   
     src = fetchurl {
       url = "mirror://gnome/sources/evince/${lib.versions.major version}/${pname}-${version}.tar.xz";
  -    sha256 = "PPVNKPeX74sFBL67HBaKGA1N35JcuDqfnGn+DRie9hE=";
  +    sha256 = "Zr4N5LR7ETBIYQOYjMFSwErqlZULo+8W3CDC72toHUc=";
     };
  -
  -  postPatch = ''
  -    chmod +x meson_post_install.py
  -    patchShebangs meson_post_install.py
  -  '';
   
     nativeBuildInputs = [
       appstream
  
positive.code: , gsettings-desktop-schemas
  , gnome-desktop
  , dbus
  , python3
  , texlive
  , gst_all_1
  , gi-docgen
  
negative.code:     meson
      ninja
      pkg-config
      wrapGAppsHook
      yelp-tools
    ];
  