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https://issues.apache.org/jira/browse/TAP5-938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13081836#comment-13081836
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Robert Zeigler commented on TAP5-938:
-------------------------------------
It seems useful for complex ajax scenarios. Typically, you would just return
the component/block/etc. from your event handler and update a zone, but I know
of at least one application that needed more power & flexibility than zones
provide (at the time, at least), and the developers wound up rendering portions
of pages and returning the text stream.
> Expose ability to render a portion of a page (a Block, Component, etc.)
> without using internal services
> -------------------------------------------------------------------------------------------------------
>
> Key: TAP5-938
> URL: https://issues.apache.org/jira/browse/TAP5-938
> Project: Tapestry 5
> Issue Type: New Feature
> Components: tapestry-core
> Affects Versions: 5.2
> Reporter: Howard M. Lewis Ship
> Priority: Minor
>
> Currently you have to create an instance of PageRenderQueyeImpl and obtain an
> appropriate MarkupWriter. This could be combined into a facade service to do
> all the necessary work.
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