Make a comment such as:
*Widget Data*
Upon submission, the text renders as bold for a moment. Then displays as *Widget Data*
Edit the comment, make no changes, submit. It now displays as \*Widget Data\*
Edit the comment, make no changes, submit. It now displays as \*Widget Data\\*
etc.
Seems like the markup is being added to with escaping instead of rendering.
Is text formatting just broken or what?