Right, [x] meant (as Humpty said) an optional element. Since J defines
a meaning for every ASCII graphic, this is hard to express in a J context.
It turns out the implementation of ".@'name' is flawed: you can write
it, and execute it, but it gives an error if you display it. Fix in
process.
Henry Rich
On 8/24/2018 12:14 PM, Raul Miller wrote:
Yeah... english overloads word meanings (mostly resolved by context,
but we fall into habits and expect others to share those habits).
Anyways, here, [x] could have been a J phrase, but here it was
borrowing from syntax diagram summary spellings (where brackets
traditionally indicate an optional element).
So... it only looks stupid. You tripped over a glaring ambiguity (and
I went over things too fast and didn't adequately realize the nature
of the issue).
Thanks,
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