[Haskell-cafe] Parsers (Parsec and Iteratee-based Parsers)

Hi, are there any examples how to build parsers using the library in Oleg's iteratee package? I've been using parsec for almost all my parsing needs, in fact it was parsec that got me started with Haskell. I'd like to try to build a few parsers based on the left-fold-enumerator thingy and compare this approach to parsec. Any good tips how to get started? Günther