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https://issues.apache.org/jira/browse/MYFACES-4733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18021949#comment-18021949
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Melloware commented on MYFACES-4733:
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Changing this would cause issues like this one:
https://issues.apache.org/jira/projects/MYFACES/issues/MYFACES-4497
Read the comments there
> HtmlGroupRendererBase encodes opening tag in encodeEnd (empty encodeBegin),
> breaking subclass extensibility and causing disordered output
> -----------------------------------------------------------------------------------------------------------------------------------------
>
> Key: MYFACES-4733
> URL: https://issues.apache.org/jira/browse/MYFACES-4733
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 2.3.11
> Environment: Java 17
> apache-tomee-plume-8.0.17
> javaee-api:8.0.1,
> myfaces-api:2.3.11
> Reporter: glynn leininiger
> Priority: Major
>
> {{HtmlGroupRendererBase}} leaves {{encodeBegin()}} empty and writes the
> opening tag/attributes in {{{}encodeEnd(){}}}. This violates the standard JSF
> rendering lifecycle and prevents subclasses from wrapping content or
> injecting markup in {{{}encodeBegin(){}}}. Result: when composing with a
> {{{}HtmlPanelGroup{}}}, the group element is emitted late and can’t act as
> the intended wrapper.
> *Expected*
> * {{encodeBegin()}} writes the start element and attributes.
> * {{encodeEnd()}} closes the element.
> *Actual*
> * {{encodeBegin()}} emits nothing.
> * The opening tag is written in {{encodeEnd()}}
> * Subclasses cannot reliably wrap content or prepend markup using
> {{{}encodeBegin(){}}}.
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