Because it's placed _below_ the general rule, and the general one doesn't exclude |.
I am a very silly person. I got confused between my first attempt to change it and my later one merged with the rename.
What's the patterns about btw?
I don't get the question....?
I also don't get the nested qq thing you talk about on the blog and previous e-mails...
best, Eric --- Eric Hsu, Assistant Professor of Mathematics San Francisco State University erichsu@math.sfsu.edu http://math.sfsu.edu/hsu