anchor.diff:    vimPlugins = pkgs.recurseIntoAttrs (pkgs.callPackage ./vimPlugins {
       llvmPackages = pkgs.llvmPackages_6;
     });
  -
  -  omnisharp-roslyn = pkgs.omnisharp-roslyn.overrideDerivation (old: rec {
  -    name = "omnisharp-roslyn-1.34.9";
  -    src = pkgs.fetchurl {
  -      url = "https://github.com/OmniSharp/omnisharp-roslyn/releases/download/v1.34.9/omnisharp-mono.tar.gz";
  -      sha256 = "1b5jzc7dj9hhddrr73hhpq95h8vabkd6xac1bwq05lb24m0jsrp9";
  -    };
  -  });
  -
  -  all-hies = import (fetchTarball "https://github.com/infinisil/all-hies/tarball/d98bdbff3ebdab408a12a9b7890d4cf400180839") {};
  -  hie = (all-hies.selection { selector = p: { inherit (p) ghc865; }; });
   
     sha1Cmd = pkgs.writeScript "sha1.sh" ''
       #!${pkgs.stdenv.shell}
  
positive.code: 
  EOF
      nnoremap <silent> gh :Lspsaga lsp_finder<CR>
      nnoremap <silent> <leader>ca :Lspsaga code_action<CR>
      vnoremap <silent> <leader>ca :<C-U>Lspsaga range_code_action<CR>
      nnoremap <silent> K :Lspsaga hover_doc<CR>
      nnoremap <silent> gs :Lspsaga signature_help<CR>
      nnoremap <silent> gr :Lspsaga rename<CR>
  
negative.code:       vim-language-server \
        vscode-html-languageserver-bin \
        vscode-css-languageserver-bin \
        coc-powershell \
        ansible-language-server
  
      pip_install \
        robotframework-lsp
  