Deprecation-62855-XHTMLCleaningMovedToLegacyExtension.rst 1.21 KB
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.. include:: ../../Includes.txt

==============================================================================
Deprecation: #62855 - "XHTML cleaning" functionality moved to legacy extension
==============================================================================

See :issue:`62855`

Description
===========

XHTML cleaning is not necessary anymore, since modern technology bases completely on HTML5. Therefore the
according functionality has been moved to the legacy extension EXT:compatibility6.

The following TypoScript option has been marked for deprecation:

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.. code-block:: typoscript
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   config.xhtml_cleaning
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The following PHP method has been marked for deprecation:

.. code-block:: php

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   TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController::doXHTML_cleaning()
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Impact
======

The content output of the TYPO3 frontend is not cleaned anymore unless EXT:compatibility6 is loaded.


Affected installations
======================

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Any installation having the TypoScript option :typoscript:`config.xhtml_cleaning`
set will have different behaviour in the
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frontend rendering.

Migration
=========

For TYPO3 CMS 7, installing EXT:compatibility6 brings back the existing functionality.
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.. index:: TypoScript, Frontend