Clean up Marpa::R2::HTML error messages
Clean up Marpa::R2::HTML error messages

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