I found out that q2a is warning you if you comment twice the same content... "seems to be duplicate"
Why is it not implemented in question-post-mechanism? How would we do that?
I posted a 1-to-1-copy without any problems or warning message here.
As a lot of users post their question twice in my forum, although I am having a static message "duplicate questions get deleted", I need such a prevent-duplicate-mechanism.