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https://issues.apache.org/jira/browse/MYFACES-4560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17688589#comment-17688589
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Melloware commented on MYFACES-4560:
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Yes and that gets completely ignored and the underlying SelecItem `itemLabel` 
is used so the XHMTL there is completely ignored.

> Faces Issue #1791 SelectItems rendering
> ---------------------------------------
>
>                 Key: MYFACES-4560
>                 URL: https://issues.apache.org/jira/browse/MYFACES-4560
>             Project: MyFaces Core
>          Issue Type: Improvement
>    Affects Versions: 2.3.10, 2.3-next-M7, 3.0.2, 4.0.0-RC4
>            Reporter: Melloware
>            Priority: Major
>
> See; [https://github.com/jakartaee/faces/issues/1791]
>  
> The component should render the itemLabel as instructed by the provided EL, 
> even if the backed data type is SelectItem. The default rendering should only 
> be done when the attribute is missing.
> Example:
> {code:java}
>         <h:form id="frmTest">
>             <p:selectOneMenu id="test1">
>                 <f:selectItems value="#{testView.items}" var="i" 
> itemValue="#{i.value}" itemLabel="#{i.value} - #{i.label}" />
>             </p:selectOneMenu>
>             <p:selectOneMenu  id="test2">
>                 <f:selectItems value="#{testView.items2}" var="i" 
> itemValue="#{i.key}" itemLabel="#{i.key} - #{i.value}" />
>             </p:selectOneMenu>
>             <p:selectOneMenu  id="test3">
>                 <f:selectItems value="#{testView.items}" />
>             </p:selectOneMenu>
>             <p:selectOneMenu  id="test4">
>                 <f:selectItems value="#{testView.items2}" />
>             </p:selectOneMenu>
>         </h:form>{code}
> The issue is `id="test1"` the user is expecting it to render 
> `itemLabel="#\{i.key} - #\{i.value}"` but it is ignored and just the 
> underlying Java SelectItem value is rendered.



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