anchor.diff:        }) {};
       stream = callPackage ({ elpaBuild, emacs, fetchurl, lib }: elpaBuild {
           pname = "stream";
  -        version = "2.2.2";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/stream-2.2.2.el";
  -          sha256 = "00p24ipn8frlhhwzrz6za7dq4fkhs8i8cwp48yhsq9zpnj9y38xb";
  +        version = "2.2.3";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/stream-2.2.3.el";
  +          sha256 = "1y9nh5473p0dd149g675nybsdnzp8c4mq3wdql066nir7scz6rhy";
           };
           packageRequires = [ emacs ];
           meta = {
  
positive.code:       }) {};
      exwm = callPackage ({ elpaBuild, fetchurl, lib, xelb }: elpaBuild {
          pname = "exwm";
          version = "0.10";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/exwm-0.10.tar";
            sha256 = "1c8558dxy7a2m61a0bc0p5vrdw3nw03zq9s8wxgmdvlklyzbqa22";
          };
          packageRequires = [ xelb ];
          meta = {
  
negative.code:     ggtags = callPackage ({ cl-lib ? null, elpaBuild, emacs, fetchurl, lib }:
      elpaBuild {
          pname = "ggtags";
          version = "0.8.12";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/ggtags-0.8.12.el";
            sha256 = "0ny3llk021g6r0s75xdm4hzpbxv393ddm2r6f2xdk8kqnq4gnirp";
          };
          packageRequires = [ cl-lib emacs ];
          meta = {
  