The ace tooltip delegate example does not work when ace:delegate is surrounded with ice:panelBorder. The error message is:
javax.faces.FacesException: Cannot find delegate component "tooltipDelegate" in view or it is not an instance of <ace:tooltipDelegate>.

Sample Source Code:
<ui:define name="example">
<h:form id="form">
<ice:panelBorder id="borderLayout" renderCenter="true"
renderNorth="false" renderWest="false" renderEast="false">
<f:facet name="north" />

<f:facet name="west" />

<f:facet name="east" />

<f:facet name="center">

<ace:delegate id="tooltipDelegate">
<ace:dataTable id="carTable" value="#{dataTableSort.carsData}"
var="car" paginator="true" rows="15">

<ace:column headerText="ID">
<h:outputText value="#{car.id}" />
</ace:column>

<ace:column headerText="Name">
<h:outputText id="carName" value="#{car.name}" />
</ace:column>

<ace:column headerText="Cost">
<h:outputText value="#{car.cost}">
<f:convertNumber type="currency" currencySymbol="$"
groupingUsed="true" minFractionDigits="2"
maxFractionDigits="2" />
</h:outputText>
</ace:column>

</ace:dataTable>
</ace:delegate>
<ace:tooltip id="tooltip" for="carName"
forDelegate="tooltipDelegate" fetch="#{car}"
store="#{delegateTooltipBean.data}">
<h:outputText value="Chassis: #{delegateTooltipBean.data.chassis}" />
<br />
<br />
<h:outputText
value="Weight: #{delegateTooltipBean.data.weight}lbs." />
<br />
<br />
<h:outputText
value="Accel: #{delegateTooltipBean.data.acceleration}" />
<br />
<br />
<h:outputText value="MPG: #{delegateTooltipBean.data.mpg}" />
</ace:tooltip>

</f:facet>
</ice:panelBorder>
</h:form>
</ui:define>