Add lexical-binding to example package header

* doc/lispref/package.texi (Simple Packages): Add lexical-binding
cookie to example package header.

diff --git a/doc/lispref/package.texi b/doc/lispref/package.texi
index a503a7edde80d332df88b3e41da339b61d9209db..4cb0c3214a7b8c4f150ee449f91d0ec72d4cdc76 100644 (file)
--- a/doc/lispref/package.texi
+++ b/doc/lispref/package.texi
@@ -152,9 +152,9 @@ the various headers, as illustrated by the following example:
 
 @example
 @group
-;;; superfrobnicator.el --- Frobnicate and bifurcate flanges
+;;; superfrobnicator.el --- Frobnicate and bifurcate flanges  -*- lexical-binding:t -*-
 
-;; Copyright (C) 2011 Free Software Foundation, Inc.
+;; Copyright (C) 2022 Free Software Foundation, Inc.
 @end group
 
 ;; Author: J. R. Hacker <jrh@@example.com>