At the risk of not being quite critical enough for HN - that was an excellent read. Clear explanations, a very pleasant layout, and useful visual metaphors for

At the risk of not being quite critical enough for HN - that was an excellent read. Clear explanations, a very pleasant layout, and useful visual metaphors for the trickier parts of the spec. I found it to be both enjoyable and informative. A really nice example of documentation done well.