Here are some documents I know of, if you know of more drop me a line
and I'll add them to the list.
+- The book http://oreilly.com/catalog/9781449397296[Programming iOS 4]
+ by Matt Neuburg was written using AsciiDoc. Matt has
+ http://www.apeth.net/matt/iosbooktoolchain.html[written an article]
+ describing how he used AsciiDoc and other tools to write the book.
Scala] by Dean Wampler and Alex Payne (O'Reilly) was