Plan9 and UTF-8 were invented by the same people. But Plan9 didn't influence the design of UTF-8 only in as far as having a better character encoding than the

Plan9 and UTF-8 were invented by the same people. But Plan9 didn't influence the design of UTF-8 only in as far as having a better character encoding than the original 2 byte UCS encoding. And then Plan9 was used to showcase UTF-8.