anchor.diff:  
     vim-lsp = buildVimPluginFrom2Nix {
       pname = "vim-lsp";
  -    version = "2021-06-02";
  +    version = "2021-06-08";
       src = fetchFromGitHub {
         owner = "prabirshrestha";
         repo = "vim-lsp";
  -      rev = "ddd5abb5b6491117c4b7ef4149e47945926eecd8";
  -      sha256 = "0xv687xzwqhwpmxr65sm3ln74y8mxww1q3fqj57va06ilxzac56c";
  +      rev = "516fd7ce956bdfa2fa6ee8ac6d77ad8a57616811";
  +      sha256 = "0anfwxq93ddmymdna692xz74h3kimwmw1ii6pq8ci08i3pkqjrf7";
       };
       meta.homepage = "https://github.com/prabirshrestha/vim-lsp/";
     };
  
positive.code: 
    lean-vim = buildVimPluginFrom2Nix {
      pname = "lean-vim";
      version = "2021-06-04";
      src = fetchFromGitHub {
        owner = "leanprover";
        repo = "lean.vim";
        rev = "fdf448398335434f4b5c45aff5f4ee64a3d090fa";
        sha256 = "0wi7837yy4x89w6gw72qkaxbb0vdm3hlxnkjplg2g4ibpayxx3s4";
      };
      meta.homepage = "https://github.com/leanprover/lean.vim/";
    };
  
negative.code: 
    vim-clap = buildVimPluginFrom2Nix {
      pname = "vim-clap";
      version = "2021-06-08";
      src = fetchFromGitHub {
        owner = "liuchengxu";
        repo = "vim-clap";
        rev = "c7e013cb273597e37eb65b481cbeb7d1b92b01b7";
        sha256 = "1i33y3jqjqbrg2mgnz4sxvsckl1ggdg3aymxxz4l3qivnbn1fni5";
      };
      meta.homepage = "https://github.com/liuchengxu/vim-clap/";
    };
  