Sorry about the late response. Unfortunately, I can't reproduce this here. Could you perhaps open an issue with a few more details (iOS version etc.) in the bug tracker?
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Shouldn't it recurse to the boundary of the domain?
i.e. Relative links are in, as are ones for the same domain name. But ones outside of the domain aren't.
Not having examined the code I don't know if you break cycles, also.
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