This is a red herring, I assert. There is no "boiling the problem down to a simple grammar" that has promise for a total solution. There are plenty of ways to

This is a red herring, I assert. There is no "boiling the problem down to a simple grammar" that has promise for a total solution. There are plenty of ways to combine the different parts that work well, and even more ways to combine them into nonsense. Disallowing the nonsense is probably not going to make the ways that work well any better.