I don't know why, but I felt an urge to try to make this behave like a real text editor. You can do it setting the min and max angle to 0, which of course produces a straight line of text. Then, when you want a newline, set the min and max angle to 90, hit space, set both to 270, hit space, and then back to 0 again, and proceed with typing.
Something about bringing order to this tiny little chaos made me happy, I guess.