//- Pug (pugjs.org/) is a preprocessing language for HTML. It has it's own syntax, meaning you would have to learn another laguage to work with it effectively. There are some advantages to working with a language like pug though: - templating ability - more legible/simpler markup - HTML compression - error prevention - reusable code doctype html html(lang='en') head title this is pre-processing with PUG(the dog) meta(charset="utf-8") link(href="css/main.css" rel="stylesheet") header include inc/_header.pug body section#about.dog-background.heavy-border h2