anchor.diff:            license = lib.licenses.free;
           };
         }) {};
  -    el-search = callPackage ({ elpaBuild, emacs, fetchurl, lib }: elpaBuild {
  +    el-search = callPackage ({ elpaBuild, emacs, fetchurl, lib, stream }:
  +    elpaBuild {
           pname = "el-search";
  -        version = "0.2.3";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/el-search-0.2.3.tar";
  -          sha256 = "0icxfq6hd8pfg4r5q70ylm84wgv1jiijpv0d56x7kjdh7wrdalrb";
  -        };
  -        packageRequires = [ emacs ];
  +        version = "1.0.1";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/el-search-1.0.1.tar";
  +          sha256 = "14l7zq4bm5ihybpj8qvqpzzmgjsyhr8yq2d4jmadk35q5hlx1cbb";
  +        };
  +        packageRequires = [ emacs stream ];
           meta = {
             homepage = "https://elpa.gnu.org/packages/el-search.html";
             license = lib.licenses.free;
  
positive.code:       }) {};
      auctex = callPackage ({ elpaBuild, fetchurl, lib }: elpaBuild {
          pname = "auctex";
          version = "11.89.5";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/auctex-11.89.5.tar";
            sha256 = "0scab76ks9wnv1wp9lrm6h9hag7p70zn950srp2p02vrzz2z5p53";
          };
          packageRequires = [];
          meta = {
  
negative.code:       }) {};
      org = callPackage ({ elpaBuild, fetchurl, lib }: elpaBuild {
          pname = "org";
          version = "20161024";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/org-20161024.tar";
            sha256 = "1rg9hl8vghx72prc6m1c29p5crns0i70hh7lffbhqzjixq6jqvlj";
          };
          packageRequires = [];
          meta = {
  