Ah I was missing the part where I had to go to the reply box and hit the insert from saved quotes there never seemed to be any instructions and over the years that I used the forums sorta just learned enough to use them but never could find out this one. Thanks much @ovbaconYou find all the posts that you want to reply to and hit the "Quote" button on each of them.
You can do that to multiple posts and when you have "selected" to quote it the + sign turns into a - .
Then when you go to the "write your reply" box you select "Insert quotes" and all quotes will be inserted in the reply and you can add your comments to them.
So this way you can reply to multiple people in one post. I hope this explanation makes more sense.
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