><snip>
>>The PRG calls a UDF, passing the array like this.
>>
>>DO UDF WITH SomeArray
>>
>>The programmer attempted to receive the array in a UDF.
>>PARAMETERS SomeArray
>>
>>Technically, the array wasn't passed, just the first element's value.
>
><snip>
>
>The whole array is passed in this case because the DO command passes parameters by reference (unless they are enclosed in the parenthesises).

Yes. You're right. I just read that in the help. However, that's not obvious from the code. There really was no need to pass the array at all. Other code buried 3 and 4 levels deep are accessing other arrays without passing them.