Losing stacked fractions

If I create a piece of text or a leader and include a stacked fraction, if I go back and edit that text I lose the stacking. When opened for editing, the [[ ]] is missing around the stuff to stack, and replacing the [[ ]] doesn’t bring the stack back. If select all the text, Ctrl X, enter a bit of temp characters (so the text is redrawn), then Ctrl V my original text back in its place, I then can successfully re-add the [[ ]].


Got it.
Added as https://mcneel.myjetbrains.com/youtrack/issue/RH-40751