I’ve just finished this course, and have come across several mistakes. For example, the correct answer requires special characters, but the special characters are not provided under the entry field. Or, in a multiple choice test, there are 2 identical correct answers, but only one of them is accepted as THE correct answer. These occur on a regular basis throughout the course. I hope, someone can fix it, or the creator can be reached to fix these mistakes. It’s really a pity, because otherwise, the material is very useful.