URL parameters don't qualify as a different link (or else anyone submitting a url without removing them would have unique posts). I always thought the rule had

URL parameters don't qualify as a different link (or else anyone submitting a url without removing them would have unique posts). I always thought the rule had to do with comments being allowed on the post, which, I believe, are based on comment activity. My assumption was as long as an article still allows comments, resubmissions don't become new posts.