He means the exclamation points. In English you don't use those except when you really want to draw attention to a sentence. Otherwise you seem crazy! See what I mean!
Hey... I give you lots of credit for being open to learning... and for continuing to try to contribute to this English-based forum. Live & learn: that's okay.
Even I provided a significant solution to solve the problem: http://news.ycombinator.com/item?id=506028
Guess what? I got down-voted on my comment!
EDIT: If pg has no time for it, then why does not he allow us to code a solution, and he can review it? And if he likes it, then he would use it!