Usando Eclipse versão 3.4.1 e não mostra autocomplete em arquivo xhtml

Front-end
#1

Olá,

estou usando jsf 2.0,java 6,tomcat 6

em uma pagina xhtml na tag <h:outputText

dou ctrl + espaço não aparece nada e não da mensagem Element ><h:outputText. is unknown.

os jars que está no projeto :

commons-beanutils-1.7.0.jar
commons-collections-3.2.jar
commons-digester-1.8.jar
commons-logging-1.1.1.jar
jsf-api.jar
jsf-impl.jar
jstl-1.2.jar
primefaces-2.2.1.jar

&gt;&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;
&lt;web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5"&gt;
  &lt;display-name&gt;Modal&lt;/display-name&gt;
  &lt;welcome-file-list&gt;
    &lt;welcome-file&gt;index.html&lt;/welcome-file&gt;
    &lt;welcome-file&gt;index.htm&lt;/welcome-file&gt;
    &lt;welcome-file&gt;index.jsp&lt;/welcome-file&gt;
    &lt;welcome-file&gt;default.html&lt;/welcome-file&gt;
    &lt;welcome-file&gt;default.htm&lt;/welcome-file&gt;
    &lt;welcome-file&gt;default.jsp&lt;/welcome-file&gt;
  &lt;/welcome-file-list&gt;
  
  &lt;servlet&gt;
    &lt;display-name&gt;FacesServlet&lt;/display-name&gt;
    &lt;servlet-name&gt;FacesServlet&lt;/servlet-name&gt;
    &lt;servlet-class&gt;javax.faces.webapp.FacesServlet&lt;/servlet-class&gt;
    &lt;load-on-startup&gt;1&lt;/load-on-startup&gt;
  &lt;/servlet&gt;
  &lt;servlet-mapping&gt;
    &lt;servlet-name&gt;FacesServlet&lt;/servlet-name&gt;
    &lt;url-pattern&gt;*.jsf&lt;/url-pattern&gt;
  &lt;/servlet-mapping&gt;
  
  
  
  &lt;!-- PrimeFaces --&gt;
  
  &lt;servlet&gt;
    &lt;servlet-name&gt;Resource Servlet&lt;/servlet-name&gt;
    &lt;servlet-class&gt;org.primefaces.resource.ResourceServlet&lt;/servlet-class&gt;
    &lt;load-on-startup&gt;1&lt;/load-on-startup&gt;
  &lt;/servlet&gt;
  
  &lt;servlet-mapping&gt;
  &lt;servlet-name&gt;Resource Servlet &lt;/servlet-name&gt; 
  &lt;url-pattern&gt;/primefaces_resource/*&lt;/url-pattern&gt;
  &lt;/servlet-mapping&gt;
  
&lt;/web-app&gt;
#2