anchor.diff:      '';
     };
   
  -  vundle = simpleDerivation {
  +  vundle = buildVimPlugin {
       name = "vundle-vim-git-0b28e334";
       src = fetchgit {
         url = "https://github.com/gmarik/Vundle.vim.git";
  
positive.code:     path = "hoogle";
    };
  
    hdevtools = simpleDerivation {
      name = "vim-hdevtools-git-474947c5";
      src = fetchgit {
        url = "https://github.com/bitc/vim-hdevtools.git";
  
negative.code:     path = "tagbar";
    };
  
    xdebug = buildVimPlugin {
      name = "vim-xdebug-a4980fa65f7f159780593ee37c178281691ba2c4";
      src = fetchurl {
        url = "https://github.com/joonty/vim-xdebug/archive/a4980fa65f7f159780593ee37c178281691ba2c4.tar.gz";
  