He wanted to know about dragging a regular dock and you can't
As far as moving the regular non tabbed side docks....You can move them left/right/top/bottom as well as moving the side docks up & down or the top docks left & right with the slider under "Positioning" ...Align Top-Centered-Align Bottom...and you can uncheck the "Automatic distance from edge" box and move them that way as well.
That's what I tried to explain WG you just said it better.
Many of the side docks I created have the one side chopped off since before we couldn't move them off the edge if I'm not mistaken, but I'm in the process of redoing all of them. If you have any of mine in particular that you use a lot let me know and I'll put them on the list to be done sooner. : )
Yea I have problems with the OPTIX dock I don't seem to have one
(hint hint)