DOCBOOK: [newbie] insert xml code examples in a docbook document

Hi everybody,
I use docbook (4.1.2) since today =)...
It seems really good but during my tests I met a pb:
- How can I insert an example of xml code withou use > and ⁢ but
directly the <example/> ??

PS: If exist another unofficial links about docBook, I get ...;-)
Thank you
Fred