anchor.diff:        elpaBuild {
           pname = "posframe";
           ename = "posframe";
  -        version = "0.8.5";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/posframe-0.8.5.tar";
  -          sha256 = "0rls0rsj9clx4wd0gbdi5jzwyslparlf7phib649637gq6gs90ds";
  +        version = "0.8.8";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/posframe-0.8.8.tar";
  +          sha256 = "1ij6brzcxv9viz37qafcinlfx5l20w8x8s6786r1rsda5n1xsmvd";
           };
           packageRequires = [ emacs ];
           meta = {
  
positive.code:       elpaBuild {
          pname = "verilog-mode";
          ename = "verilog-mode";
          version = "2020.6.27.14326051";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/verilog-mode-2020.6.27.14326051.el";
            sha256 = "194gn8cj01jb9xcl0qq3gq6mzxfdyn459ysb35fnib7pcnafm188";
          };
          packageRequires = [];
          meta = {
  
negative.code:         packageRequires = [ emacs ivy ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/ivy-explorer.html";
            license = lib.licenses.free;
          };
        }) {};
      ivy-hydra = callPackage ({ elpaBuild, emacs, fetchurl, hydra, ivy, lib }:
        elpaBuild {
          pname = "ivy-hydra";
          ename = "ivy-hydra";
          version = "0.13.5";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/ivy-hydra-0.13.5.tar";
            sha256 = "06rln9bnq5hli5rqlm47fb68b8llpqrmzwqqv4rn7mx3854i9a5x";
          };
          packageRequires = [ emacs hydra ivy ];
          meta = {
            homepage = "https://elpa.gnu.org/packages/ivy-hydra.html";
            license = lib.licenses.free;
          };
        }) {};
  