fix some entity errors

mail/locales/en-US/chrome/messenger/downloadheaders.dtd

@@ -1,24 +1,42 @@
-<!--
-The contents of this file are subject to the Netscape Public
-License Version 1.1 (the "License"); you may not use this file
-except in compliance with the License. You may obtain a copy of
-the License at http://www.mozilla.org/NPL/
+<!-- ***** BEGIN LICENSE BLOCK *****
+ Version: MPL 1.1/GPL 2.0/LGPL 2.1
 
-Software distributed under the License is distributed on an "AS
-IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
-implied. See the License for the specific language governing
-rights and limitations under the License.
+ The contents of this file are subject to the Mozilla Public License Version
+ 1.1 (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+ http://www.mozilla.org/MPL/
 
-The Original Code is Mozilla Communicator client code, released
-March 31, 1998.
+ Software distributed under the License is distributed on an "AS IS" basis,
+ WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ for the specific language governing rights and limitations under the
+ License.
 
-The Initial Developer of the Original Code is Netscape
-Communications Corporation. Portions created by Netscape are
- Copyright (C) 1998-1999 Netscape Communications Corporation. All
-Rights Reserved.
---> 
+ The Original Code is Mozilla Communicator client code, released
+ March 31, 1998.
 
-<!ENTITY all.label	"Download all headers">
+ The Initial Developer of the Original Code is
+ Netscape Communications Corporation.
+ Portions created by the Initial Developer are Copyright (C) 1998-1999
+ the Initial Developer. All Rights Reserved.
+
+ Contributor(s):
+
+ Alternatively, the contents of this file may be used under the terms of
+ either of the GNU General Public License Version 2 or later (the "GPL"),
+ or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ in which case the provisions of the GPL or the LGPL are applicable instead
+ of those above. If you wish to allow use of your version of this file only
+ under the terms of either the GPL or the LGPL, and not to allow others to
+ use your version of this file under the terms of the MPL, indicate your
+ decision by deleting the provisions above and replace them with the notice
+ and other provisions required by the GPL or the LGPL. If you do not delete
+ the provisions above, a recipient may use your version of this file under
+ the terms of any one of the MPL, the GPL or the LGPL.
+
+ ***** END LICENSE BLOCK ***** -->
+
+<!ENTITY all.label          "Download all headers">
+<!ENTITY all.accesskey      "D">
 <!--LOCALIZATION NOTE (download.label):
     consider the download.label and headers.label as a single sentence
 	 with the number of headers to be downloaded inserted between them:
@@ -26,7 +44,10 @@ Rights Reserved.
 	 Either label could be set to null ("") if required grammatically.
 -->
 
-<!ENTITY download.label "Download">
+<!ENTITY download.label     "Download">
+<!ENTITY download.accesskey "o">
 <!--LOCALIZATION NOTE (headers.label): see note for download.label -->
-<!ENTITY headers.label 	"headers">
-<!ENTITY mark.label	"Mark remaining headers as read">
+<!ENTITY headers.label      "headers">
+<!ENTITY headers.accesskey  "h">
+<!ENTITY mark.label         "Mark remaining headers as read">
+<!ENTITY mark.accesskey     "M">