Got a blister on my foot, ow. 3 hours sleep + caffeine = spacey feeling. I suppose lincoln3 has it even worse, though, having not slept at all last night. Skipped AI to work on twelf stuff with tom. Eventually took the question to the top, got an answer which was conclusive but a little disappointing: twelf doesn't do coverage for third-order logic programs. Somehow I seem to recall hearing this before...