anchor.diff:  
     coc-nvim = buildVimPluginFrom2Nix {
       pname = "coc-nvim";
  -    version = "2020-07-06";
  +    version = "2020-07-17";
       src = fetchFromGitHub {
         owner = "neoclide";
         repo = "coc.nvim";
  -      rev = "a6f403c0fa7a94719d3cc9f056cc56879b534295";
  -      sha256 = "12fgrgnyk8l50gfld8fa4ac0cibg86732xc5cnkhw9bx7waa90nv";
  +      rev = "d033fbfe526be910ea0be61e1ae1c220937bc17f";
  +      sha256 = "0wf72ww5dcbpsycfm866ajfbz8h04z19q55nns2163x0ql6vyj5m";
       };
       meta.homepage = "https://github.com/neoclide/coc.nvim/";
     };
  
positive.code: 
    vim = buildVimPluginFrom2Nix {
      pname = "vim";
      version = "2020-07-06";
      src = fetchFromGitHub {
        owner = "dracula";
        repo = "vim";
        rev = "10932ddaaf560e1ae5bc12137515dc7007a0afc3";
        sha256 = "1h85ynngkz921zr9gshcl0kk5s9dgjk0kifz4r7v8pvnjq5kbfk8";
      };
      meta.homepage = "https://github.com/dracula/vim/";
    };
  
negative.code: 
    vim-markdown = buildVimPluginFrom2Nix {
      pname = "vim-markdown";
      version = "2020-07-14";
      src = fetchFromGitHub {
        owner = "plasticboy";
        repo = "vim-markdown";
        rev = "8e5d86f7b85234d3d1b4207dceebc43a768ed5d4";
        sha256 = "013vh2rnfifm5j56imar03rvchz68ll4lbgy9y8fbw7s9a0k6yaa";
      };
      meta.homepage = "https://github.com/plasticboy/vim-markdown/";
    };
  