How does the recurring module handle orders in "Pending" state?

Hi,

One more question. When the renew function fails for whatever reason (credit card expired for example or some other error) the new orders created by the recurring module are in the "Pending" state. By design how does drupal handle this? Do they stay in pending until they are dealt with manually?

I have the "Reattempt on Failure" setting set. Does the pending state count as a failure? Also, if it will indeed reattempt, does it use the same order # or does it create a new one?

Thanks