* lisp/rtree.el: Use lexical-binding and not 'cl'.

diff --git a/lisp/rtree.el b/lisp/rtree.el
index 9db03c474d3f1656c1421fefaf8c8a01a31d983c..095ed19ffeb3c163fb7fe0436e6056485272a58a 100644 (file)
--- a/lisp/rtree.el
+++ b/lisp/rtree.el
@@ -1,4 +1,4 @@
-;;; rtree.el --- functions for manipulating range trees
+;;; rtree.el --- functions for manipulating range trees  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2010-2017 Free Software Foundation, Inc.
 
@@ -43,9 +43,6 @@
 
 ;;; Code:
 
-(eval-when-compile
-  (require 'cl))
-
 (defmacro rtree-make-node ()
   `(list (list nil) nil))
 
@@ -85,7 +82,7 @@
   range)
 
 (define-obsolete-function-alias 'rtree-normalise-range
-  'rtree-normalize-range "25.1")
+  #'rtree-normalize-range "25.1")
 
 (defun rtree-make (range)
   "Make an rtree from RANGE."