$ pbpaste | xxd 0000000: 4f4b 2c20 7465 7374 2078 3a20 4865 7265 OK, test x: Here 0000010: 2061 7265 2073 6f6d 6520 e280 9c71 756f are some ...quo 0000020: 7465 73e2 809d tes...
Looks like it worked.
The output contains the proper UTF-8 for left and right curly double-quote.
Yeah, I shoulda actually remembered test numbers.