Describe your issue or idea
From https://github.com/backdrop/backdrop-issues/issues/541#issuecomment-6868...
We have problems with the location of the submit button in views, too. It's the only UI in core that puts those buttons at the top right.
If your live preview is too wide, the page gets a horizontal scroll bar, and the buttons disappear entirely (because people don't ever think to scroll to the right). This was a major UX fail when we did usability testing on views module in Drupal 7.
Recent comments
Yes, you can use TinyMCE on some content and CKEditor5 in others. There is no problem having both enabled on a system.
Specific tags to work in CKEditor 5
Thank you both for your suggestions. Yeah, I'll give TinyMCE a try... better than trying to fight that behemoth CKEditor 5. The TinyMCE page says it can "co-exist with CKEditor" which is...
Specific tags to work in CKEditor 5
The specific tags I need are "<ruby>" and "<rt>" Wow, yeah, that's a pain with CKEditor5. A custom plugin, for sure, but no clue, what the code has to look like...
Specific tags to work in CKEditor 5