This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Thanks for your answer. I checked the versions of JSP, servlet and JSTL and everything is OK (Servlet 2.4 and JSTL 1.1 using Tomcat 5.5).
The rest of the code that uses EL and JSTL works fine. Just fails when I compare Character attribute with a char constant 'R'.