I gave a short, semi-technical explanation of how Barliman performs synthesis in my answer to `YeGoblynQueenne`. I'm not sure if that description answers your

I gave a short, semi-technical explanation of how Barliman performs synthesis in my answer to `YeGoblynQueenne`. I'm not sure if that description answers your question, though. I agree that relatively modest synthesis could be useful; exploring modest synthesis is why I made Barliman, although I hope Barliman's synthesis can be made less modest! :)