(Now fixed) Thanks for letting me know, there is indeed a small issue with the clear() function. I considered supporting only plain-text, but I found the edita

(Now fixed) Thanks for letting me know, there is indeed a small issue with the clear() function. I considered supporting only plain-text, but I found the editable visible style tag very interesting. And I like the fact all the power of the browser is available, e.g canvas, 3d rendering, and simple stuff like headers and images. Of course, you can use only plaintext if you'd like.