factor-talk

> Hi all-
>
> I've been using the literals vocabulary for a number of things, but I
> get a "Data stack underflow" when I say this:
>
>> ( scratchpad ) USE: literals
>> ( scratchpad ) IN: scratchpad
>> ( scratchpad ) { { 1 2 3 } { 1 2 3 } { 1 2 3 } }
>>
>> --- Data stack:
>> { ~array~ ~array~ ~array~ }
>> ( scratchpad ) { 3 2 1 }
>>
>> --- Data stack:
>> { ~array~ ~array~ ~array~ }
>> { 3 2 1 }
>> ( scratchpad ) { $[ [ head ] 2each ] }

$[ ] does not have access to the runtime datastack—its own datastack  
will be empty when the quotation is called. You should just run  
« [ head ] 2each 2array » directly rather than try to use literals.

-Joe
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