fix comments and use more arbitrary invalid rule/simbol id
fix comments and use more arbitrary invalid rule/simbol id

jeffreykegler/kollos,jeffreykegler/kollos,jeffreykegler/libmarpa,pczarn/kollos,jeffreykegler/libmarpa,pczarn/kollos,pczarn/kollos,jeffreykegler/kollos,jeffreykegler/kollos,jeffreykegler/libmarpa,pczarn/kollos,jeffreykegler/libmarpa,pczarn/kollos,jeffreykegler/kollos,jeffreykegler/libmarpa