anchor.diff:        elpaBuild {
           pname = "exwm";
           ename = "exwm";
  -        version = "0.23";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/exwm-0.23.tar";
  -          sha256 = "05w1v3wrp1lzz20zd9lcvr5nhk809kgy6svvkbs15xhnr6x55ad5";
  +        version = "0.24";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/exwm-0.24.tar";
  +          sha256 = "0lj1a3cmbpf4h6x8k6x8cdm1qb51ca6filydnvi5zcda8zpl060s";
           };
           packageRequires = [ xelb ];
           meta = {
  
positive.code:           license = lib.licenses.free;
          };
        }) {};
      let-alist = callPackage ({ elpaBuild, emacs, fetchurl, lib }:
        elpaBuild {
          pname = "let-alist";
  
negative.code:       elpaBuild {
          pname = "auctex";
          ename = "auctex";
          version = "12.2.4";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/auctex-12.2.4.tar";
            sha256 = "1yz2h692mr35zgqwlxdq8rzv8n0jixhpaqmbiki00hlysm4zh9py";
          };
          packageRequires = [ cl-lib emacs ];
          meta = {
  