That is only useful for demonstration of HTML formatting,but if you accidentally type an invalid command,you may lose all your post after it.
I have lost whole paragraphs by making a typo on an HTML command.If you don`t preview or just don`t catch it,an embarrassing result can occur.
Thanks for the ifo! re:HTML bracets etc...Have a nice evening!
"ifo!" LOL...an n missing...Case in point re:proof reading before posting huh?