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by eslaught 2712 days ago
It was definitely in Arc first, and probably in other lisps before that:

https://github.com/arclanguage/anarki/blob/master/arc.arc#L1...

Edit: Yes, it's in Common Lisp too, so it goes back at least to the 1980s and probably further.

http://www.lispworks.com/documentation/HyperSpec/Body/f_wr_p...