Hm, I afraid I don't understand the problem fully. Isn't it correct for Facebook-chat too? As long ans no keys are exchanges the messages are unencrypted, so the message is correct, independent which chat is used.
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Hm, I afraid I don't understand the problem fully. Isn't it correct for Facebook-chat too? As long ans no keys are exchanges the messages are unencrypted, so the message is correct, independent which chat is used.