anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "wpsoffice";
  -  version = "11.1.0.9505";
  +  version = "11.1.0.9615";
   
     src = fetchurl {
  -    url = "http://wdl1.pcfg.cache.wpscdn.com/wpsdl/wpsoffice/download/linux/9505/wps-office_11.1.0.9505.XA_amd64.deb";
  -    sha256 = "1bvaxwd3npw3kswk7k1p6mcbfg37x0ym4sp6xis6ykz870qivqk5";
  +    url = "http://wdl1.pcfg.cache.wpscdn.com/wpsdl/wpsoffice/download/linux/9615/wps-office_11.1.0.9615.XA_amd64.deb";
  +    sha256 = "0dpd4njpizclllps3qagipycfws935rhj9k5gmdhjfgsk0ns188w";
     };
     unpackCmd = "dpkg -x $src .";
     sourceRoot = ".";
  
positive.code: , cups
  , dbus
  , expat
  , ffmpeg_3
  , fontconfig
  , freetype
  , gdk-pixbuf
  
negative.code:     cairo
      dbus.lib
      expat
      ffmpeg
      fontconfig
      freetype
      gdk-pixbuf
  