i have install ciao on macos x When i open a .pl file the menu Ciao/Prolog CiaoPP LPdoc appears but there are empty when i make ^C l i have the message "searching for program : no such file or directory , ciao. i have added in .emacs file the line (load-file "/Library/ciao/DOTemacs.el") what is the trouble I'm just a beginner ans certainly these questions is current; Thanks for answering