anchor.diff:          type = types.bool;
           default = false;
           description = ''
  -          Symlink `vim` to `nvim` binary.
  +          Symlink <command>vim</command> to <command>nvim</command> binary.
           '';
         };
   
  
positive.code:         type = types.bool;
          default = false;
          description = ''
            Symlink `vi` to `nvim` binary.
          '';
        };
  
  
negative.code:         type = types.bool;
          default = false;
          description = ''
            Alias <command>vimdiff</command> to <command>nvim -d</command>.
          '';
        };
  
  