>>The previous message was the literal and I tried to treat it the same.
>>Nothing happened.
>>
>>Okay, I will try to double click this one. So if it appears twice ...
>>
>>[update] Double click visually worked, but it appeared only once.
>

>I never said to double click on save. This is not related to the restriction of having your message being saved.

Assuming a fast double click, immediately at the first save time, could create such a situation as the message is being sent twice in the same second thus being processed in parallel. I'll see if that could be handled.

So these weren't your lines, or I misunderstood.
Peter