NDA superpowers…. Helps people from wasting time looking at repetitious posts over & over, & over…. Gives respondents some recognition when the OP doesn’t.

It’s something that WE asked for about 10 years ago and (ultimately) THEY agreed.

Used judiciously, it can be helpful. So, not how but why… Anna was 1000% correct. Bill brought a good point to the table. That’s a big part of what this forum is about.

FWIW, I’d  never mark my own