anchor.diff:  
     vim-pandoc-syntax = buildVimPluginFrom2Nix {
       pname = "vim-pandoc-syntax";
  -    version = "2020-07-29";
  +    version = "2020-08-10";
       src = fetchFromGitHub {
         owner = "vim-pandoc";
         repo = "vim-pandoc-syntax";
  -      rev = "6fb2021592ecbfd1b519647dd7242d818d77227a";
  -      sha256 = "043khhd1rd8cihxkzma5bhg7pbp87iizrn04lfmnygj5s0qg0dwf";
  +      rev = "59680708cdc98c3fae9acb6c261374bfd808335a";
  +      sha256 = "1yiczv4l2rg8wva2gbjvv7k9s6y9p0gwmlazdd9rnq28nhmxx3gv";
       };
       meta.homepage = "https://github.com/vim-pandoc/vim-pandoc-syntax/";
     };
  
positive.code: 
    vim-snippets = buildVimPluginFrom2Nix {
      pname = "vim-snippets";
      version = "2020-08-01";
      src = fetchFromGitHub {
        owner = "honza";
        repo = "vim-snippets";
        rev = "2a273f1914489b5f199b68607e5e37c0025a9c35";
        sha256 = "05yxh3hjya35pp4hgyq6i3nxnb2nl12lzv2mmzp046qzsg3b6yiq";
      };
      meta.homepage = "https://github.com/honza/vim-snippets/";
    };
  
negative.code: 
    vim-test = buildVimPluginFrom2Nix {
      pname = "vim-test";
      version = "2020-08-12";
      src = fetchFromGitHub {
        owner = "vim-test";
        repo = "vim-test";
        rev = "edacfbe57fdbba4788e8c280d37606470b9b70ca";
        sha256 = "1bi2rsszdpv7vj1xk536lzm54dzk1z41hfp0qr1pzz9lv8fa4sgv";
      };
      meta.homepage = "https://github.com/vim-test/vim-test/";
    };
  