XML Best Practice Question?   

If we want to define recursive elements, which one is the recommended one, or best practice:

1. <lotNumber>
<otherLotInfoDetails>
<otherLotInfoDetail>
<attribDesc/>
<attribValue/>
</otherLotInfoDetail>
<otherLotInfoDetail>
<attribDesc/>
<attribValue/>
</otherLotInfoDetail>
</otherLotInfoDetails>

2. <lotNumber>
<otherLotInfoDetail>
<attribDesc/>
<attribValue/>
</otherLotInfoDetail>
<otherLotInfoDetail>
<attribDesc/>
<attribValue/>
</otherLotInfoDetail>

Is it better to have a wrapper element to group the recursive elements? What's the benefit in doing it like that?

Please share your opinions.

Thank you very much!