anchor.diff:  
     vim-snippets = buildVimPluginFrom2Nix {
       pname = "vim-snippets";
  -    version = "2020-06-02";
  +    version = "2020-06-28";
       src = fetchFromGitHub {
         owner = "honza";
         repo = "vim-snippets";
  -      rev = "900bf93c6680e38ce568dba26c3f48b4365ac730";
  -      sha256 = "1gxqmvr6hz7vblrji2dz2l1x18264ainbl70j60yfx3vjp5aa9vq";
  +      rev = "3f805a0101e5fdfea4eab992af5aa50e8a242459";
  +      sha256 = "0ybysjzxpka7lkqd9fjj1nk8byr8g96a3ykmcq0m6xwwyv8732x5";
       };
       meta.homepage = "https://github.com/honza/vim-snippets/";
     };
  
positive.code: 
    vimtex = buildVimPluginFrom2Nix {
      pname = "vimtex";
      version = "2020-06-09";
      src = fetchFromGitHub {
        owner = "lervag";
        repo = "vimtex";
        rev = "49bc335fffa40a7b7b84b6110b57ebcbaaf019ea";
        sha256 = "06zdj0pgr6d8vddx87rk36lb00nngydl367g06zi8jkx4673rzz8";
      };
      meta.homepage = "https://github.com/lervag/vimtex/";
    };
  
negative.code: 
    plantuml-syntax = buildVimPluginFrom2Nix {
      pname = "plantuml-syntax";
      version = "2020-07-03";
      src = fetchFromGitHub {
        owner = "aklt";
        repo = "plantuml-syntax";
        rev = "eb3df3092a767c844db3f3ff355da840abd0aa97";
        sha256 = "02psvyxli5gs2cx2sha33mk98ivllb8zr1jwgv4hgi5bh6qd7wg3";
      };
      meta.homepage = "https://github.com/aklt/plantuml-syntax/";
    };
  