tell me more icon Restriction on Using Groups

Typically, you can put separators between menus by grouping menu components within af:group. For example:

                               
<af:menuBar>
  <af:menu text="A"/> 
  <af:menu text="B"/> 
  <af:group>
    <af:menu text="C"/>
    <af:menu text="D"/> 
  </af:group> 
</af:menuBar>
                            

At runtime, the menus would render something like this, with a separator line in between B and C:

  
                              
A B | C D
                            

But no separator lines will be drawn when you use groups within the moreMenus facet, such as:

                               
<f:facet name="moreMenus"> 
  <af:group> 
    <af:menu text="C"/> 
    <af:menu text="D"/> 
  </af:group>
</f:facet>
                            

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