new file mode 100644
--- /dev/null
+++ b/suite/chrome/common/pref/pref-media.dtd
@@ -0,0 +1,11 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<!-- extracted from content/pref-media.xul -->
+
+<!-- LOCALIZATION NOTE : FILE Media management prefs -->
+<!ENTITY pref.media.title                  "媒体">
+<!ENTITY mediaHTML5Preferences.label       "音频/视频">
+<!ENTITY allowMediaAutoplay.label          "启用 HTML5 媒体内容的自动播放">
+<!ENTITY allowMediaAutoplay.accesskey      "A">

--- a/suite/chrome/common/pref/preferences.dtd
+++ b/suite/chrome/common/pref/preferences.dtd
@@ -5,16 +5,17 @@
 <!--LOCALIZATION NOTE (.label): Preferences categories that appear on the left of the preferences dialog -->
 <!ENTITY prefWindow.title "首选项">
 <!ENTITY categoryHeader "类别">
 
 <!ENTITY appear.label "外观">
 <!ENTITY content.label "内容">
 <!ENTITY fonts.label "字体">
 <!ENTITY colors.label "颜色">
+<!ENTITY media.label "媒体">
 <!ENTITY spellingPane.label "拼写检查">
 
 <!ENTITY navigator.label "浏览器">
 <!ENTITY history.label "历史记录">
 <!ENTITY languages.label "语言和字符编码">
 <!ENTITY applications.label "应用程序助手">
 <!ENTITY locationBar.label "地址栏">
 <!ENTITY search.label "互联网搜索">

--- a/suite/chrome/mailnews/imapMsgs.properties
+++ b/suite/chrome/mailnews/imapMsgs.properties
@@ -150,16 +150,18 @@ imapNetTimeoutError=连接服务器 %S 超时。
 
 # Status - no messages to download 
 imapNoNewMessages=服务器上没有新消息。
 
 imapDefaultAccountName=%S 的邮件
 
 imapSpecialChar= %c 是此 IMAP 服务器的保留字符。请选择其他名称。\u0020
 
+imapSpecialChar2=%S 字符已被此 IMAP 服务器保留。请选择其他名称。
+
 imapPersonalSharedFolderTypeName=个人文件夹
 
 imapPublicFolderTypeName=公共文件夹
 
 imapOtherUsersFolderTypeName=其他用户的文件夹
 
 imapPersonalFolderTypeDescription=这是一个个人邮件夹。未共享。