Not sure. We simply used a templating engine. Either a) we didn't take the time to read the documentation properly to find out if there is an efficient minifier

Not sure. We simply used a templating engine. Either a) we didn't take the time to read the documentation properly to find out if there is an efficient minifier, or b) there isn't an efficient templating engine that minifies. I'm betting big on using preprocessor languages, such as HAML, or Jade.