title: Nesting variables in EL
body: <p>Is it possible to nest variable calls like below in EL using <code>FacesContext</code> or other implicit objects like <code>request</code>, <code>session</code>, etc.?  This of course is not working. I get this error </p>
  
  <blockquote>
    <p>Error Parsing: #{myBean.myMethod(#{FacesContext.getCurrentInstance().getViewRoot().getViewId() })}</p>
  </blockquote>
  
  <p>for this attempt</p>
  
  <pre><code>&lt;ui:include src="#{myBean.myMethod(#{FacesContext.getCurrentInstance().getViewRoot().getViewId() })}"&gt;
  </code></pre>