Unfortunately it seems that the parser will not presently add a preview card from an html-created post.
My project required this card, so I developed a workaround, posted here. Hopefully you can adapt it to your situation.
Unfortunately it seems that the parser will not presently add a preview card from an html-created post.
My project required this card, so I developed a workaround, posted here. Hopefully you can adapt it to your situation.