anchor.diff:        and refine existing subtitle. This program also shows sound waves, which
         makes it easier to synchronise subtitles to voices.
         '';
  -    homepage = http://home.gna.org/subtitleeditor;
  +    homepage = http://kitone.github.io/subtitleeditor/;
       license = stdenv.lib.licenses.gpl3Plus;
  +    platforms = stdenv.lib.platforms.linux;
       maintainers = [ stdenv.lib.maintainers.plcplc ];
  -    platforms = stdenv.lib.platforms.linux;
     };
   }
  
positive.code: { stdenv, fetchurl, fetchpatch, pkgconfig, intltool, file, desktop_file_utils,
    enchant, gnome3, gst_all_1, hicolor_icon_theme, libsigcxx, libxmlxx,
    xdg_utils, isocodes, wrapGAppsHook
  }:
  
  let
    ver_maj = "0.53";
    ver_min = "0";
  in
  
  stdenv.mkDerivation rec {
    name = "subtitle-editor-${ver_maj}.${ver_min}";
  
    src = fetchurl {
      url = "http://download.gna.org/subtitleeditor/${ver_maj}/subtitleeditor-${ver_maj}.${ver_min}.tar.gz";
      sha256 = "087rxignjawby4z3lwnh9m6pcjphl3a0jf7gfp83h92mzcq79b4g";
    };
  
    patches = [
      (fetchpatch {
        url = "https://sources.debian.net/data/main/s/subtitleeditor/0.53.0-2/debian/patches/03-fix-build-gstreamermm-1.8.0.patch";
        sha256 = "0di2i34id5dqnd3glibhifair1kdfnv8ay3k64lirad726ardw2c";
      })
    ];
  
    nativeBuildInputs =  [
      pkgconfig
      intltool
      file
  
negative.code: 
    enableParallelBuilding = true;
  
    preConfigure = "substituteInPlace ./configure --replace /usr/bin/file ${file}/bin/file";
  
    configureFlags = [ "--disable-debug" ];
  