The way I understand it, you could totally remix a gen fic with no pairings if the writer you're paired with has one. And if there's a pairing in the original story, you can't change it, but you can sort of background it and make the story more about the plot.
no subject
Date: 2008-02-24 01:03 am (UTC)no subject
Date: 2008-02-24 04:20 pm (UTC)