anchor.diff:        elpaBuild {
           pname = "pyim";
           ename = "pyim";
  -        version = "3.6";
  -        src = fetchurl {
  -          url = "https://elpa.gnu.org/packages/pyim-3.6.tar";
  -          sha256 = "1fmbzh33s9xdvrfjhkqr9ydcqbiv8lr04k5idvbpc9vwjjjan5y0";
  +        version = "3.7.1";
  +        src = fetchurl {
  +          url = "https://elpa.gnu.org/packages/pyim-3.7.1.tar";
  +          sha256 = "0k73f1qdl51qshnvycjassdh70id5gp5qi5wz7k4zyl8pbampiyd";
           };
           packageRequires = [ async emacs xr ];
           meta = {
  
positive.code:       elpaBuild {
          pname = "tramp";
          ename = "tramp";
          version = "2.5.0.3";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/tramp-2.5.0.3.tar";
            sha256 = "0c77d1ihn17lzk9jb7ss346ryprnbii1zmijl6zj0kk4lm8fpfl3";
          };
          packageRequires = [ emacs ];
          meta = {
  
negative.code:       elpaBuild {
          pname = "auctex";
          ename = "auctex";
          version = "13.0.11";
          src = fetchurl {
            url = "https://elpa.gnu.org/packages/auctex-13.0.11.tar";
            sha256 = "0sy4f1n38q58vyzw5l0f80ci3j99rb25gbwj0frl0pglfmgzl44k";
          };
          packageRequires = [ emacs ];
          meta = {
  