(BTW, without your excellent J for C Programmers, I wouldn’t even be trying. 
Thank you.)

> On Aug 24, 2018, at 1:18 PM, Henry Rich <henryhr...@gmail.com> wrote:
> 
> 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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