anchor.diff:      owner = "lainsce";
       repo = pname;
       rev = version;
  -    sha256 = "1wa0i6dgg6fgb7q9z33v9qmn1a1dn3ik58v1f3a49dvd5xyf8q6q";
  +    sha256 = "07i9pivpddgixn1wzbr15gvzf0n5pklx0gkjjaa35kvj2z8k31x5";
     };
   
     nativeBuildInputs = [
  
positive.code: { stdenv, fetchFromGitHub, fetchpatch, vala, pkgconfig, meson, ninja, python3
  , granite, gtk3, desktop-file-utils, gnome3, gtksourceview, webkitgtk, gtkspell3
  , discount, gobjectIntrospection, wrapGAppsHook }:
  
  stdenv.mkDerivation rec {
    pname = "quilter";
    version = "1.6.3";
  
    name = "${pname}-${version}";
  
  
negative.code:     ninja
      pkgconfig
      python3
      vala_0_40 # should be `elementary.vala` when elementary attribute set is merged
      wrapGAppsHook
    ];
  
    buildInputs = [
      discount
      gnome3.defaultIconTheme # should be `elementary.defaultIconTheme`when elementary attribute set is merged
      gnome3.libgee
      granite
      gtk3
      gtksourceview
      gtkspell3
      webkitgtk
    ];
  
    postPatch = ''
  