anchor.diff:        elpaBuild {
           pname = "web-server";
           ename = "web-server";
  -        version = "0.1.1";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/web-server-0.1.1.tar";
  -          sha256 = "1q51fhqw5al4iycdlighwv7jqgdpjb1a66glwd5jnc9b651yk42n";
  +        version = "0.1.2";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/web-server-0.1.2.tar";
  +          sha256 = "10lcsl4dg2yr9zjd99gq9jz150wvvh6r5y9pd88l8y9vz16f2lim";
           };
           packageRequires = [ emacs ];
           meta = {
  
positive.code:       elpaBuild {
          pname = "ebdb";
          ename = "ebdb";
          version = "0.6.13";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/ebdb-0.6.13.tar";
            sha256 = "1nxbp7w4xxij07q8manc15b896sl10yh2h1cg88prdqbw1wk62qr";
          };
          packageRequires = [ cl-lib emacs seq ];
          meta = {
  
negative.code:         packageRequires = [];
          meta = {
            homepage = "https://elpa.gnu.org/packages/sisu-mode.html";
            license = lib.licenses.free;
          };
        }) {};
      sm-c-mode = callPackage ({ elpaBuild, fetchurl, lib }:
        elpaBuild {
          pname = "sm-c-mode";
          ename = "sm-c-mode";
          version = "1.0";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/sm-c-mode-1.0.el";
            sha256 = "1lq65dhcvrh6ybla37lvni7wmbjb5nhm75ja9cl79148da1zrg91";
          };
          packageRequires = [];
          meta = {
            homepage = "https://elpa.gnu.org/packages/sm-c-mode.html";
            license = lib.licenses.free;
          };
        }) {};
  