anchor.diff:        elpaBuild {
           pname = "csharp-mode";
           ename = "csharp-mode";
  -        version = "1.0.0";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/csharp-mode-1.0.0.tar";
  -          sha256 = "0vhm443fkcjsj95r4rs9r0mz9vzfk92883nxhyi35d3jaf112gm1";
  +        version = "1.0.2";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/csharp-mode-1.0.2.tar";
  +          sha256 = "1xddnd6g6qz3xnzl6dmd38qvzvm32acdyhmm27hfdpqcbg6isfad";
           };
           packageRequires = [ emacs ];
           meta = {
  
positive.code:       elpaBuild {
          pname = "auctex";
          ename = "auctex";
          version = "13.0.13";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/auctex-13.0.13.tar";
            sha256 = "06cb9jphqd0nysc60b4x24zmdryljb168cw66adl7b2x7sdzpkmn";
          };
          packageRequires = [ emacs ];
          meta = {
  
negative.code:           license = lib.licenses.free;
          };
        }) {};
      crdt = callPackage ({ elpaBuild, fetchurl, lib }:
        elpaBuild {
          pname = "crdt";
          ename = "crdt";
          version = "0.1.4";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/crdt-0.1.4.tar";
            sha256 = "1qqfjvkajwhdhz0jhqixdn68l1rl02pn2fmxizzsv0as20v0ay0r";
          };
          packageRequires = [];
          meta = {
            homepage = "https://elpa.gnu.org/packages/crdt.html";
            license = lib.licenses.free;
          };
        }) {};
      crisp = callPackage ({ elpaBuild, fetchurl, lib }:
        elpaBuild {
          pname = "crisp";
  