anchor.diff:        }) {};
       auctex = callPackage ({ elpaBuild, fetchurl, lib }: elpaBuild {
           pname = "auctex";
  -        version = "11.90.0";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/auctex-11.90.0.tar";
  -          sha256 = "04nsndwcf0dimgc2p1yzzrymc36amzdnjg0158nxplmjkzdp28gy";
  +        version = "11.90.1";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/auctex-11.90.1.tar";
  +          sha256 = "0bn5pg6v7zgqxs080bzrsx6789nzdx4622m3020ymzl66017nf0r";
           };
           packageRequires = [];
           meta = {
  
positive.code:     el-search = callPackage ({ elpaBuild, emacs, fetchurl, lib, stream }:
      elpaBuild {
          pname = "el-search";
          version = "1.3";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/el-search-1.3.tar";
            sha256 = "0hg7jppdsaxy285bdaban1i096bjx21pqmczz7w9f3nr34n28pyn";
          };
          packageRequires = [ emacs stream ];
          meta = {
  
negative.code:           license = lib.licenses.free;
          };
        }) {};
      enwc = callPackage ({ elpaBuild, emacs, fetchurl, lib }: elpaBuild {
          pname = "enwc";
          version = "2.0";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/enwc-2.0.tar";
            sha256 = "17w35b06am5n19nlq00ni5w3jvys9i7swyw4glb7081d2jbij2mn";
          };
          packageRequires = [ emacs ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/enwc.html";
            license = lib.licenses.free;
  