Another simple question -- why doesn't "move" command work as expected

Folks,
Sorry for the silly newbie questions, but can somebody tell me why the following does not move 5 messages from one mailbox to another?

tell application “Mail”
set allMessages to (messages 1 thru 5) of mailbox “Deleted Messages” of account “richcook.net
move allMessages to mailbox “saved trash” of account “richcook.net
end tell

The Event Log looks promising, but nothing gets moved…

tell application “Mail”
get messages 1 thru 5 of mailbox “Deleted Messages” of account “richcook.net
{message id 23266 of mailbox “Deleted Messages” of account “richcook.net”, message id 23260 of mailbox “Deleted Messages” of account “richcook.net”, message id 23254 of mailbox “Deleted Messages” of account “richcook.net”, message id 23233 of mailbox “Deleted Messages” of account “richcook.net”, message id 23228 of mailbox “Deleted Messages” of account “richcook.net”}
move {message id 23266 of mailbox “Deleted Messages” of account “richcook.net”, message id 23260 of mailbox “Deleted Messages” of account “richcook.net”, message id 23254 of mailbox “Deleted Messages” of account “richcook.net”, message id 23233 of mailbox “Deleted Messages” of account “richcook.net”, message id 23228 of mailbox “Deleted Messages” of account “richcook.net”} to mailbox “saved trash” of account “richcook.net
end tell

? WTF? Thanks.

Model: PowerMac G5
AppleScript: 1.10
Browser: Safari) OmniWeb/v563.42
Operating System: Mac OS X (10.4)

Never mind. I forgot to tell Mail.app to “synchronize.” So it took about 10 minutes to quit, but finally the changes took. Problem solved, case closed, we can all go home and have sex now. Thank you!

AppleScript: 1.1
Browser: Safari) OmniWeb/v563.42
Operating System: Mac OS X (10.4)