Anchor links in article not working

[beerForo]

I tried to link to the PayPal portion of this article by clicking the link icon next to the header and pasting the URL in a post but it didn't anchor correctly.
Code:

https://xenforo.com/community/threads/introducing-stripe-checkout-paypals-rest-api-and-more.220349/#-paypal-rest-api
You can see the post here, click edit to see the anchor link...

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Anchor links in article not working

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