anchor.diff:  
     coc-explorer = buildVimPluginFrom2Nix {
       pname = "coc-explorer";
  -    version = "2020-12-09";
  +    version = "2020-12-11";
       src = fetchFromGitHub {
         owner = "weirongxu";
         repo = "coc-explorer";
  -      rev = "b45ac3584ef1c091c9d8a2ced6a1b8b8e4edb611";
  -      sha256 = "11k6pbvlvqsnvn75rh4pz5c4x6c9jmnwpnikaf1n7amw2w2i6j00";
  +      rev = "2335a2325488c0e43974a70f307e77afc15382d9";
  +      sha256 = "1cpqypqlw7bwm6a8jc0kkrb0nyxa375s6rw4rq2lss8jlwxcsia2";
       };
       meta.homepage = "https://github.com/weirongxu/coc-explorer/";
     };
   
     coc-fzf = buildVimPluginFrom2Nix {
       pname = "coc-fzf";
  -    version = "2020-12-07";
  +    version = "2020-12-14";
       src = fetchFromGitHub {
         owner = "antoinemadec";
         repo = "coc-fzf";
  -      rev = "94103981228454680736c2d728862ec4616cd3ac";
  -      sha256 = "1cq2vklr2f8dnlaq5ld8i7cjyg4x130myia4ln0wh8n1zgsvgld0";
  +      rev = "39f128c29fea82ebd7920e632a9fe81d829c89b4";
  +      sha256 = "0f7wfmvnmh3007yblq5jswrh1iapl66ibcc4q7pz6ansm38apj8j";
       };
       meta.homepage = "https://github.com/antoinemadec/coc-fzf/";
     };
  
positive.code: 
    vim-clap = buildVimPluginFrom2Nix {
      pname = "vim-clap";
      version = "2020-12-07";
      src = fetchFromGitHub {
        owner = "liuchengxu";
        repo = "vim-clap";
        rev = "7fbe0ac17fc70a4929f73612c0c092e0378937fc";
        sha256 = "0k5ic1dff90l5lc45zcahy7h28k837sc0mywsjjw9a3vdr2naqxd";
      };
      meta.homepage = "https://github.com/liuchengxu/vim-clap/";
    };
  
negative.code: 
    ultisnips = buildVimPluginFrom2Nix {
      pname = "ultisnips";
      version = "2020-12-14";
      src = fetchFromGitHub {
        owner = "SirVer";
        repo = "ultisnips";
        rev = "c270950492d71bac0317d47d42cd0884eefe6490";
        sha256 = "1k58wp6y6i0xr4pnp2h7r31229ngp3zadyi374c5nlf2pa3zc1d8";
      };
      meta.homepage = "https://github.com/SirVer/ultisnips/";
    };
  