Off-shoot from #721536: HTML corrector filter has problems with unescaped CDATA and incorrectly closed tags → .
The HTML correcter filter is pretty flawed in that it uses the PHP DOM extension to try to force HTML to be XHTML compliant. This is not a true tidier and can have side effects. Plus, Tidy makes well... tidier output and is bundled w/ PHP.
Closed: works as designed
9.5
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
@JacobSingh, Thank you for the idea to help improve Drupal core.
The proposal doesn't met the Criteria for evaluating proposed changes → . In this case, there is not demonstrated demand and support for the change.