Hi, Is there some setting needed to get spring tag libs working?

I'm running Spring 2.5.6, Jboss AS 5 (servlet 2.5)

jsp page
Code:
<%@taglib prefix="spring" uri="http://www.springframework.org/tags" %>
<%@page contentType="text/html;charset=UTF-8" language="java" %>
<html>
   <head>
      <title>title</title>
   </head>
   <body>
      <spring:escapeBody>
         <html>test</html>
      </spring:escapeBody>
   </body>
</html>
dispatcher-servlet.xml
Code:
  <bean id="urlMappings" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
        <property name="urlMap">
            <map>
                <entry key="/*.do">
                    <ref bean="urlFilenameViewController"/>
                </entry>
            </map>
        </property>
    </bean>

    <bean id="urlFilenameViewController" class="org.springframework.web.servlet.mvc.UrlFilenameViewController"/>

    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
web.xml
Code:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
		  http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
           version="2.5">

    <servlet>
        <servlet-name>dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    
    <servlet-mapping>
        <servlet-name>dispatcher</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>

</web-app>
In this case the <spring:escapeBody> (but the same goes for e.g. form:form in spring form tag lib) is not being "translated" to html and it appears in source of generated html page in the raw farm (I mean u can see the <spring:escapeBody> tag in page sources).

Is there some setting for this?