On the protocol rules here https://en.bitcoin.it/wiki/Protocol_rules#.22block.22_messages

it states: "8. For the coinbase (first) transaction, scriptSig length must be 2-100"

But it looks like the coinbase transaction doesn't have any scriptSig param at all, for example:
http://blockexplorer.com/rawblock/000000000000073ab0ea030440998db75d5c74393c6a0875a37fc4f00f1539e8

What am I missing?

Thanks!