This is ran automatically by [ottrpal::check_all_questions] for all questions. It checks that the attributes specified are accepted ones by Leanpub.
check_quiz_question_attributes(question_df, quiz_name = NULL, verbose = TRUE)
a data.frame obtained from [ottrpal::parse_quiz_df] and dplyr::group_split(question).
inherited from parse
print diagnostic messages
Will return a warning for any quiz question attributes used that are not supported.