Similarly for the other viewers (pdf and html). Julian -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Julian Gilbey, Dept of Maths, Queen Mary, Univ. of London website: http://www.maths.qmul.ac.uk/~jdg/ Debian GNU/Linux Developer, see: http://people.debian.org/~jdg/ Visit http://www.thehungersite.com/ to help feed the hungry