No, I haven't died or been hit by a bus. I'm just working on the LoS/Visibility rules. Which I want to complete all in one go, instead of dribbling them out in disconnected pieces that we hash over uselessly. It's taking some time.
Ok, Eriochrome and Ryjak have been working me over on visibility. So here's another go at it. With what should be a simpler set of concepts to explain.