the asset-server code does allow for <figure> in <div>, so we should align the schema with it by allowing <figure> in <div>
https://github.com/performant-software/making-knowing-assetserver/blob/a14324eccfb1899155b1021067f7ca245332dc64/scripts/content_import/convert.js#L213-L226
creating new issue for this
Originally posted by @tcatapano in https://github.com/cu-mkp/m-k-manuscript-data/issues/1011#issuecomment-516467263
implemented by commit 9bef252d16a635ed135a249270cdf8e354db3f7. Closing.