Brilliant! Turns out that the wacko behaviour was not due to my prolog.el file, but in fact a little bit of code in my .emacs file (I copied it from someone else's .emacs a couple of years ago, and forgot all about it until now).Hi, Solly Brown <sollyb@cse.unsw.edu.au> writes:Quick question for users of prolog under emacs:Consider the prolog.el from: http://turing.ubishops.ca/home/bruda/emacs-prolog/