Has anyone noticed Shawn's absence from this thread? :-) -- Victor Eijkhout <eijkhout at cs.utk.edu>, 329 Claxton, Comp Sci, UT, Knoxville TN 37996. tel: 865 974 9308 (W), 865 673 6998 (H), 865 974 8296 (F) http://www.cs.utk.edu/~eijkhout/