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I'm not sure when this changed, but querying verb display Foreign is not returning "an integer list with numbers selected from 1 2 4 5 6" as per the docs
(9!:3) 5
(9!:2) ''
_4647714815446350587
Trying the same thing on the Playground works as expected (9!:3) 5 (9!:2)'' 5
Raul Miller
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Jan 14, 2026, 8:01:54 AM (2 days ago) Jan 14
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Which version of J was this?
(As an aside, it looks like you can use 256|9!:2 as a workaround, though that's not ideal.)
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Raul
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Henry Rich
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Jan 14, 2026, 8:33:55 AM (2 days ago) Jan 14
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Fixed for next beta, thanks. I continually
have to wring space out of the main control block, and I got this
wrong.