Thank you for the reply from Rasmus. Attached is a patch to the documentation file org.texi regarding use of habits. I hope this is a correct format. Andrew -- Andrew Swann | Associate Professor | Tel +45 871 55767 | swann@math.au.dk | http://home.math.au.dk/swann/ | Department of Mathematics, Aarhus University, Ny Munkegade 118, Bldg 1530, DK-8000 Aarhus C, Denmark | Dept +45 871 50000 | Fax +45 8613 1769