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https://issues.apache.org/jira/browse/SLING-4443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17447861#comment-17447861
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Konrad Windszus commented on SLING-4443:
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Enabling it for complete output is sufficient. The idea is to remove all
whitespace which is not relevant for rendering to
- improve FE performance (as it keeps the DOM leaner)
- reduce response size (only 2nd prio as usually gzip works pretty well)
> Whitespace removal for Sightly HTML output
> ------------------------------------------
>
> Key: SLING-4443
> URL: https://issues.apache.org/jira/browse/SLING-4443
> Project: Sling
> Issue Type: New Feature
> Components: Scripting
> Affects Versions: Scripting Sightly Engine 1.0.0
> Reporter: Dan Chapman
> Priority: Minor
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Can there be a way to remove whitespace from Sightly components HTML output,
> that is created when elements are hidden e.g. <span data-sly-test="..."
> Previously in JSPs we could use - trimDirectiveWhitespaces="true"
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