bobk,
I really like 2holers approach and may try it one day. That said, my approach is much simpler and if you go with my repair approach be sure you conceal the pin hole in the channel that's inletted for the top tang. That way the repair can be concealed. Sometimes if a (wood) pin is placed in the checkered areas you can conceal the repair with recheckering.
Steve
BTW I was talking about using a very thin SS bolt, about an 1/8" in diameter. One with fine threads so that you can slather it and the inside of the hole with epoxy and screw it back down into the repair hole. The addition of the epoxy will pretty much make the bolt one with the wood.