Thorsten Riess' patch is applied, and worked on a couple of test files. I also haven't thoroughly tested the patch, but will try to do this in the next day or two. --Andy Andrew D. Hwang ahwang at mathcs dot holycross dot edu Department of Math and CS http://mathcs.holycross.edu/~ahwang College of the Holy Cross (508) 793-2458 (Office: 320 Swords) Worcester, MA, 01610-2395 (508) 793-3530 (fax)