省略可能な括弧について追記 (#163)

Author: jdkfx

language/oop5/basic.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: f94d903985119d3ac00f4528551df947f57b667f Maintainer: takagi Status: ready -->
-<!-- CREDITS: hirokawa,mumumu -->
+<!-- EN-Revision: 1d92bcca7524c50fc41056ea4c04e1032eb9e055 Maintainer: takagi Status: ready -->
+<!-- CREDITS: hirokawa,mumumu,jdkfx -->
 
 <sect1 xml:id="language.oop5.basic" xmlns="http://docbook.org/ns/docbook">
  <title>クラスの基礎</title>
@@ -380,6 +380,8 @@ bool(true)
 <![CDATA[
 <?php
 echo (new DateTime())->format('Y');
+// PHP 8.4.0 以降、囲む括弧は省略可能です。
+echo new DateTime()->format('Y');
 ?>
 ]]>
     </programlisting>