That is just plain not knowing how to spell though.
Usually if that's the case it'll be "it\'s", but then that depends on how they've implemented it and what else they have done to the string. This isn't the case though as the people I have spoken to that use "it,s" have often been on MSN, online games, or on forums where ' isn't stripped.
And it's one page, not three. Change your options to show 80 posts per page like a real man