available_tutorials     Run a tutorial
correct                 Question is correct value
disable_all_tags        Disable all html tags
duplicate_env           Create a duplicate of an environment
filesystem_storage      Filesystem-based storage for tutor state data
format.tutorial_question_answer
                        Formatting and printing quizzes, questions, and
                        answers
initialize_tutorial     Initialize Tutorial R Markdown Extensions
knit_print.tutorial_question
                        Knitr quiz print methods
question_checkbox       Checkbox question
question_radio          Radio question
question_text           Text box question
question_ui_initialize
                        Custom question methods.
quiz                    Tutorial quiz questions
random_praise           Random praise and encouragement
run_tutorial            Run a tutorial
safe                    Execute R code in a safe R environment
safe_env                Safe R CMD environment
tutorial                Tutorial document format
tutorial_html_dependency
                        Tutorial HTML dependency
tutorial_options        Set tutorial options
tutorial_package_dependencies
                        List Tutorial Dependencies
