anchor.diff:                                  :options (make-formatting-options buffer))))))))
   
   (define-command lsp-document-format () ()
  +  (check-connection)
     (text-document/formatting (current-buffer)))
   
   ;;; range formatting
  
positive.code:                                   :options (make-formatting-options buffer)))))))))
  
  (define-command lsp-document-range-format (start end) ("r")
    (text-document/range-formatting start end))
  
  ;;; onTypeFormatting
  
negative.code:                                                #|:active-signature-help|#)))
  
  (define-command lsp-signature-help () ()
    (check-connection)
    (text-document/signature-help (current-point)
                                  (make-instance 'protocol:signature-help-context
                                                 :trigger-kind protocol:signature-help-trigger-kind.invoked
  