Blank HTML Editor
The editor I'm using on the site, which is live, does not have a repeat region added so it works. The editor on the page I want to use which has a repeat added is located in the private message below which does not display on the remote server. I did try it on Safari, Firefox, Chrome and Edge - all do not display via the remote server. I haven't located any hard-coded references to http vs https on the affected webpage.
Still at a loss...