Whew, after only one hour of sleep, a lot of pending cleanup has been done on Gzz. Met with a student coming to work on the project in the summer, talked a lot about how to do interesting things with ZZ.
New thoughts on what views to do: a billowing (showing text closer to the cursor with a larger font) view with the small, draggable notes shown next to the text. This should be interesting.
Need to take a good look at caching stuff (renderings of paragraphs) in a long VStream to be able to quickly put stand-ins for the most zoomed-out parts.