My other accomplishment for today is getting to a working state a flash toy to draw commutative diagrams in, which exports to Paul Taylor's diagrams.tex syntax, as some people at D's suggested last thursday — I remember mainly wjl wanting it. It looks like this:
Click the save button to export text:
Paste into LaTeX:
TeX, DviToPs and gv:
Mouse-over grid cells or arrows and type (or hit enter) to edit labels, hit enter while editing text to finish editing, hit Ctrl-O while hovering over an arrow to flip its label onto the other side, and drag from one cell to another to make arrows. (they can't be too short, though)
I am now at the underground where a four-piece jazz band is playing a sweet 7/4 song that has this melodic rhythm like 2 1 1 2 1 1 1 2 3 where 1=one eigth note.