Small possible quote bug

Someone recently posted this:
https://www.blackhatworld.com/seo/how-to-get-this-ad-format-adsense.1189865/#post-12756379

Which looks to have an old post of mine saved into the users multi quote:

MrWhite2018 said: ↑
I (think) he ended up scamming members through a service.

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I attempted to reply to it saying I thought I'd been hacked since I hadn't posted onto this new thread: https://www.blackhatworld.com/seo/how-to-get-this-ad-format-adsense.1189865/

But it only shows one of his multi quotes inside mine;

↑
Create a ad that says Slot and Pup and fix it in the code below.

i thought we’re not supposed to touch their code, and it may not yet be available for you hence you’re not seeing it

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It doesn't show my old post anywhere when I try to reply on there.

Nah, is not a bug. Probably that person had copied another quote or something. If you click on MrWhite2018 said: ↑, you will see your post from another thread.

TomTheCat said:

Nah, is not a bug. Probably that person had copied another quote or something. If you click on MrWhite2018 said: ↑, you will see your post from another thread.

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Yeah I he's done that but strange that I can't reply to it still, I guess it then forum software won't allow it because it's taken from a different thread or something.