anchor.diff:  
     coc-nvim = buildVimPluginFrom2Nix {
       pname = "coc-nvim";
  -    version = "2020-04-21";
  +    version = "2020-04-23";
       src = fetchFromGitHub {
         owner = "neoclide";
         repo = "coc.nvim";
  -      rev = "1cedc9a852cc7e246665ca1d662bd8978ac5405c";
  -      sha256 = "1vqm9s68148715gb5x5xrhl5ajwi881d86hq7906lp7b8gk5d6is";
  +      rev = "0d4f02555e5aaecbd8efef47a70ba2f2c6412d1f";
  +      sha256 = "0129gr3hsagr1lzngvbgs4bnvj92izxavval0zyxgh68w3vlak42";
       };
       meta.homepage = "https://github.com/neoclide/coc.nvim/";
     };
  
positive.code: 
    coc-python = buildVimPluginFrom2Nix {
      pname = "coc-python";
      version = "2020-02-21";
      src = fetchFromGitHub {
        owner = "neoclide";
        repo = "coc-python";
        rev = "6a5104d18ae5ebf7d9b84af7c4a34c6ced62aee8";
        sha256 = "0l8zrb2bhv1apx2vp8gswqh7v64dxfd8124cggxfkkzdqyxr10w0";
      };
      meta.homepage = "https://github.com/neoclide/coc-python/";
    };
  
negative.code: 
    vim-gitgutter = buildVimPluginFrom2Nix {
      pname = "vim-gitgutter";
      version = "2020-04-24";
      src = fetchFromGitHub {
        owner = "airblade";
        repo = "vim-gitgutter";
        rev = "6b46098b2a83becda06586d7c430ffdc4a27db88";
        sha256 = "0q8yvjgxvfjd40f3pspv2kzdcz45q242jfpl948mw74arl0121g8";
      };
      meta.homepage = "https://github.com/airblade/vim-gitgutter/";
    };
  