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Given my 2♥ response does it not follow that 3♣ would now create a force and that repeating ♦ is showing 5 or more ♦ nf.
Having created a force you can't un-create it. If you play as in Root and Pavlicek, 3D would be NF but very encouranging; if you play as most of the rest of the world does, the 10-pointer jumps to 3D immediately and the stronger hand bids this way. (If 2D is NMF at all, that is - and as others have said, if you are going to make both 2C and 2D artificial, usually people use 2C for all the weak hands and 2D for all the strong hands.)
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Anybody out there play 1♥>>1♠>>1N>>3♦ as weak with 6+♦?
Maybe somebody else who plays 2D as simple-NMF rather than 2-way-NMF in this auction might.... It's reasonably common to use a jump to 3C as weak with 6 clubs if 2C artificial (but you need three ways to get to 3C, one weak, one invitational, and one forcing, and that's hard to do unless you play 2-way NMF or you use an additional artificial rebid somewhere.)