yeah, well, so this time it's a rather advanced topic, but the quotes on the front page could be interesting for anyone who digs my writeups. you get to see how Don Knuth used the word web for something hypertext-like before the dudes at CERN did. by the way, Knuth still resides at stanford university---not quite appropriately for a successful supporter of the OpenSource idea (TeX), in the so-called Gates Building. when RMS was there on a visit, he asked a student outside: "hey, is it the tradition here to give bill the finger when you go through these doors?"