Picking the right PICK

Today, while formatting R3 documents, I was jabbed by PICK:

In R2:

>> blk: [a b c d]
== [a b c d]
>> blk: skip blk 3
== [d]
>> pick blk -1
== c
>> pick blk 0
== none
>> pick blk 1
== d

But, in R3:

>> blk: [a b c d]
== [a b c d]
>> blk: skip blk 3
== [d]
>> pick blk -1
== b
>> pick blk 0
== c
>> pick blk 1
== d

The R3 change is an important improvement, because it makes PICK work smoothly... in a linear way.

However, is this too big a change? What do you think?

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