anchor.diff:  
     vim-pencil = buildVimPluginFrom2Nix {
       pname = "vim-pencil";
  -    version = "2019-08-30";
  +    version = "2019-11-16";
       src = fetchFromGitHub {
         owner = "reedes";
         repo = "vim-pencil";
  -      rev = "4e0f08de173fcde5f3cb93da2c8129b1588e469a";
  -      sha256 = "1vhqcd0gls9bys1anjlfyx4mh3rfkc076g6j9h1r4j09zn0bw1qn";
  +      rev = "236380f1afcc1df10ae78cbf2c6e958d29183eaa";
  +      sha256 = "1yxc03pmf0wr104mxy2ssln16jm3kkylivmhh47jk5iv2xw8i38q";
       };
     };
   
  
positive.code: 
    lh-brackets = buildVimPluginFrom2Nix {
      pname = "lh-brackets";
      version = "2019-05-23";
      src = fetchFromGitHub {
        owner = "LucHermitte";
        repo = "lh-brackets";
        rev = "f3240c3782a97720e9a344b5bd5f6808e156722b";
        sha256 = "1qyh58xxp6hh86bykk17934pgg72q7xfsngrhrrr3cxb8jpnmx7z";
      };
    };
  
    lh-vim-lib = buildVimPluginFrom2Nix {
      pname = "lh-vim-lib";
      version = "2019-09-30";
      src = fetchFromGitHub {
        owner = "LucHermitte";
        repo = "lh-vim-lib";
        rev = "3c041e1e98c207f260f9c0b2f323e724adf1fb6d";
        sha256 = "063mvhip0pvnil2ip2nlwadn5g845k0v6r3p44zywlklgm5l62ss";
      };
    };
  
  
negative.code: 
    vim-pandoc-syntax = buildVimPluginFrom2Nix {
      pname = "vim-pandoc-syntax";
      version = "2019-11-14";
      src = fetchFromGitHub {
        owner = "vim-pandoc";
        repo = "vim-pandoc-syntax";
        rev = "98a3051566690fcd779f540e9d4a81ccad667bd5";
        sha256 = "0bvrkflryzb43xg5s9kiksk7nslgrqpybasz4grjv6lnmzis7x97";
      };
    };
  
  