--- old/src/jdk.javadoc/share/classes/jdk/javadoc/internal/tool/resources/javadoc_zh_CN.properties	2018-07-20 09:24:48.511550546 -0700
+++ new/src/jdk.javadoc/share/classes/jdk/javadoc/internal/tool/resources/javadoc_zh_CN.properties	2018-07-20 09:24:47.988503090 -0700
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -105,6 +105,8 @@
 main.opt.source.arg=<发行版>
 main.opt.source.desc=提供与指定发行版的源兼容性
 
+main.opt.enable.preview.desc=启用预览语言功能。与 -source 或 --release \n一起使用。
+
 main.opt.extdirs.arg=<目录列表>
 main.opt.extdirs.desc=覆盖所安装扩展的位置
 
@@ -174,7 +176,6 @@
 main.doclet_no_classloader_found=无法获取类加载器来加载 {0}
 main.could_not_instantiate_class=无法实例化类 {0}
 main.doclet_class_not_found=找不到 doclet 类{0}
-main.illegal_locale_name=语言环境不可用: {0}
 main.malformed_locale_name=格式错误的语言环境名称: {0}
 main.file_not_found=找不到文件: "{0}"
 main.illegal_class_name=非法类名: "{0}"