Separating code from content can help SEO

I'd never really thought about it, but separating code from content can help your SEO, according to this article from SEOmoz. The article discusses more about how the coding tenet MVC (model view controller) can be used to modify templates so that they are more SEO friendly. But the point is that if you separate the code of your pages from the content of your pages, you make it easier to modify that content to be SEO friendly.