Question
Another "Invalid HTML"
We're all too familiar with the old "Invalid HTML" thing:
https://community.st.com/t5/feedback-forum/what-invalid-html/m-p/639096/highlight/true#M1023
Usually, just pressing 'Post' again accepts it.
But not today:

Note that both 'Cancel' and 'Reply' are greyed-out!
Even deleting the entire editor content didn't re-enable them.
