Any documentation on migrating to Struts-el?

[Rabih Yazbeck]

Hello,
 
Is there any documentation about Struts-el? Or how I can move from
Struts tags to Struts-el? .. all the books available for Struts do not
cover Struts-el. Probably Ted has some kind of follow up for his great
book.
 
Thanks.. 
 
- Rabih