I don't see a reason to use div for some places and section for other places for the same #primary block. Is it because sections need titles? Why don't we use section everywhere instead? Consistent with search.php and archive.php.
Use the section tag for #primary divs across all template files. Cons…
…istent with search.php and archive.php.
It's the titles. I'm curious about the benefit that would come from moving to divs. CSS can and should target the class name in this case anyway so element consistency in this case wouldn't be a gain for that.
Let's consolidate discussion into #104