We have released a new version of the Frame plugin (v0.3.0) which allows framed content to interact with the hosting wiki in interesting ways.
This editor almost works. Needs allow-downloads in the frame sandbox.
//wiki.dbbs.co/assets/frames-can-postmessage/editor.html HEIGHT 600 Content editable <section> that displays the script
frames-can-postmessage
wiki-plugin-frame