At least that's just in one app and not the Referer header supported in every web browser and server in the world.
Come to think of it, I bet the Referer header has caused multiple spelling confusions leading to things like this.
Oh no! You must have thought you were fixing a bug instead of causing it. That's the worst!
Yes! Someone pointed out the referer header to me once, and I instantly felt better for the poor developer who created that referalls table...
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