Brings line/col numbers to the xml parsing error dialog.

Patch by Stephen Walker

mail/config/en-US-jar.mn

@@ -39,7 +39,7 @@ locale/en-US/global,                                      en-US/locale/en-US/glo
 locale/en-US/communicator/dom,                            en-US/locale/en-US/communicator/dom
 locale/en-US/communicator/profile,                        en-US/locale/en-US/communicator/profile
 
-#locale/en-US/communicator/layout,                        en-US/locale/en-US/communicator/layout
+locale/en-US/communicator/layout,                        en-US/locale/en-US/communicator/layout
 
 locale/en-US/communicator/contentAreaCommands.dtd,        en-US/locale/en-US/communicator/contentAreaCommands.dtd
 locale/en-US/communicator/contentAreaCommands.properties, en-US/locale/en-US/communicator/contentAreaCommands.properties