Opt-in extra : typed support for
text:meta,text:meta-field,text:rdf-metadataand paragraph-level RDFa attributes (xhtml:about,xhtml:property,xhtml:content,xhtml:datatype).
Module textMetaExtended | Source packages/front/office/odf/src/extra/text-meta-extended.js
Helpers
parseMeta(el) / renderMeta(m), pickRdfa(attrs).
Hooks
hydrateParagraph promotes RDFa attrs into p.rdfa and text:meta-*
children into p.metaNodes[]. dehydrateParagraph reverses.