anchor.diff:            plugin = nvim-treesitter.withPlugins (plugins: pkgs.tree-sitter.allGrammars);
             config = ''
               lua <<CFG
  -              require'nvim-treesitter.configs'.setup {
  +              require 'nvim-treesitter.install'.compilers = { 'clang++'}
  +              require 'nvim-treesitter.configs'.setup {
                   highlight = {
                     enable = true,
                   },
  
positive.code:         " ==> Workree
          nmap <silent> <leader>ww :lua require('telescope').extensions.git_worktree.git_worktrees()<cr>
          nmap <silent> <leader>wc :lua require('telescope').extensions.git_worktree.create_git_worktree()<cr>
        '';
      };
    };
  
negative.code:                   lualine_a = {"mode"},
                    lualine_b = {"branch", "diff"},
                    lualine_c = {"filename"},
                    -- future: enable "nvim_lsp" as source
                    lualine_x = {
                      {"diagnostics", sources = { "nvim_diagnostic", "ale" }},
                      "encoding",
                      "fileformat",
                      "filetype"
  