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https://issues.jboss.org/browse/RF-13769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12991309#comment-12991309
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Michal Petrov commented on RF-13769:
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The pre-rendering happens because the components that don't render children
wouldn't render the placeholder in the first place. We need to cancel the
second rendering during {{RendererBase.encodeEnd}} but it's a final method so
we cannot override it. It jumps straight into {{PlaceholderRender.doEncodeEnd}}
which is the CDK-generated method (and we need it for the first rendering). I
am not sure where to insert the check.
> placeholder with empty @selector renders twice
> ----------------------------------------------
>
> Key: RF-13769
> URL: https://issues.jboss.org/browse/RF-13769
> Project: RichFaces
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Affects Versions: 4.5.0.Alpha3
> Reporter: Michal Petrov
> Fix For: 4.5.0.Beta1
>
>
> {code}
> <component>
> <rich:placeholder>
> </component>
> {code}
> will result in
> {code}
> <span> … placeholder JS code … </span>
> <element>
> <span> … placeholder JS code … </span>
> </element>
> {code}
> Doesn't affect components that don't render children (eg. inputText).
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