PHP kills brain cells.
Source: \wp-includes\functions.php
Comments: none 
More comments: lots. but I better don’t even tell you how much time I’ve just spent trying to paste the above code snippet in the WP editor as text.
Sorry, I’m cynic. But I don’t write such stupid software that is used by 43.8% of the bloggers on the net. And I’m too lazy to look for another blogging software and move to the remaining 56.2% 