That cannot possibly work. The easiest workaround would simply be to highlight all of the text it’d be pretty obvious to see that a section of text was now highlighted that was previously invisible.
Oh for 4 seconds worth of work you could just rewrite the assignment into the context window. It’s like 10 words
Not a teacher, but my mother is a retired professor.
It would absolutely work on a large percentage of students, especially the type that are so lazy they are plugging their assignment into an ai. She retired in 22 and had students that had never used a desktop computer with a mouse and keyboard, only phones, tablets, and ChromeOS laptops. Text formatting, beyond the very basics of bold and colors, were a new concept for them.