We're enjoying(?) a lot of precipitation, but are still holding our ground out here.
Looks like this problem was introduced as part of a fix in 1723.4 for an issue raised by your colleague Stephen. Obviously it wasn't properly with property sheets. I think I have it fixed, but need to tie up some other loose ends related to
possible improvements to ordered maps.. I'll could try to post a patch tomorrow, depending on your degree of urgency.