I verified the code, and everything that's needed in order to display the paginated content is already in the theme code.
I just looked at the post content, and it appears that the problem is the tags being wrong.
This is what you have:
This is what you need:
The hyphen/minus character you are using isn't the correct one for HTML. I'm not sure if that's related to your keyboard encoding, or something else, but I replaced one of the tags with the correct characters, and it started working.