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https://issues.apache.org/jira/browse/SLING-5841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Radu Cotescu resolved SLING-5841.
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Resolution: Not A Problem
This is due to the AntiSamy {{useXHTML}}
[directive|https://github.com/apache/sling/blob/org.apache.sling.xss-1.0.0/src/main/resources/SLING-INF/content/config.xml#L28],
which is set to {{true}}. The reason for this is that when filtering
self-closing tags we don't want to append a closing tag (the reverse of your
example).
However, for your use-case you could do:
{code:html}
<custom-tag data-sly-element="${'div' @ context='html'}"></custom-tag>
{code}
This should work fine since SLING-5944 has been fixed.
> Self closing DIV when using 'html' context in Sightly
> -----------------------------------------------------
>
> Key: SLING-5841
> URL: https://issues.apache.org/jira/browse/SLING-5841
> Project: Sling
> Issue Type: Bug
> Components: Extensions
> Reporter: Dan Chapman
> Priority: Minor
>
> When I do:
> ${'<div></div>' @context='html'}
> It outputs invalid HTML, it self-closes the element:
> <div/>
> Only a set number of elements are permitted to self-close -
> http://xahlee.info/js/html5_non-closing_tag.html.
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