anchor.diff:            license = lib.licenses.free;
           };
         }) {};
  +    ampc = callPackage ({ elpaBuild, fetchurl, lib }: elpaBuild {
  +        pname = "ampc";
  +        version = "0.2";
  +        src = fetchurl {
  +          url = "http://elpa.gnu.org/packages/ampc-0.2.el";
  +          sha256 = "1pdy5mvi6h8m7qjnxiy217fgcp9w91375hq29bacfgh7bix56jlr";
  +        };
  +        packageRequires = [];
  +        meta = {
  +          homepage = "http://elpa.gnu.org/packages/ampc.html";
  +          license = lib.licenses.free;
  +        };
  +      }) {};
       ascii-art-to-unicode = callPackage ({ elpaBuild, fetchurl, lib }:
       elpaBuild {
           pname = "ascii-art-to-unicode";
  
positive.code:           license = lib.licenses.free;
          };
        }) {};
      transcribe = callPackage ({ elpaBuild, fetchurl, lib }: elpaBuild {
          pname = "transcribe";
          version = "1.0.2";
  
negative.code:     xelb = callPackage ({ cl-generic, elpaBuild, emacs, fetchurl, lib }:
      elpaBuild {
          pname = "xelb";
          version = "0.5";
          src = fetchurl {
            url = "http://elpa.gnu.org/packages/xelb-0.5.tar";
            sha256 = "1wypffg492r2a3h136c6mphsbgimxcipsarm971z56kpy3lwi4sb";
          };
          packageRequires = [ cl-generic emacs ];
          meta = {
  