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[random]

What does it means?

 

[Jake Bunce]

When you submit a reply to a thread using the quick reply form it uses AJAX to insert your post after the last post on the page. If there are additional posts in the thread after the last post that is shown on the page then it will pull those posts too. But it only pulls up to two such intermediate posts after which it inserts that marker to indicate that you aren't seeing the contiguous listing of posts at the end of the thread:

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[Andrew]

Yes you should view them!