I'm trying to add "ruby" for Japonese / Chinese short annotations and the text is not appearing.
<ruby><rb>振<rt>ふ<rb>り<rt><rb>仮<rt>が<rb>名<rt>な</ruby>
If I use the default doctype the annotations don't appear but the text appears.
If I change the Doctype to XHTML 1.1 nothing appears.
It seems something with HTMLPurifier_Strategy_FixNesting.
You can check it on the online demo:
Thanks