Thanks to all who replied, I opted to go with Patrick Drechsler solution of installing the underscore.sty package for the time being but may well end up trying Roger Bivand's solution if at any stage I wish to include subscripts in my main text (which I can envisage).
Thanks for the rapid and useful responses, Regards Neil -- "Once, adv. - Enough Twice, adv. - Once too often" - Ambrose Bierce, The Devil's Dictionary Email - [EMAIL PROTECTED] Website - http://slack.ser.man.ac.uk/ Blog - http://slack---line.blogspot.com/ Flickr - http://www.flickr.com/photos/slackline/ ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
