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Answers and rating deltas for
Why isn't this valid USPS tracking number validating according to their spec?
| Author | Votes | Δ |
|---|---|---|
| paxdiablo | 6 | +1.00 |
| jcomeau_ictx | 0 | -1.00 |
Last visited: Sep 14, 2014, 5:07:29 AM