doctype html html

head
  meta charset="utf-8"

  /! Always force latest IE rendering engine or request Chrome Frame
  meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"

  meta name="viewport" content="width=device-width,user-scalable=no,maximum-scale=1"

  title
    = title

  == stylesheet_link_tag "all"

body class="#{page_classes}"
  main
    header
      nav.breadcrumbs
        == breadcrumbs

      h1
        = heading

    article.markdown-body
      - if !index?
        div.metadata
          - if data.page.author
            dl
              dt author
              dd
                - if data.page.author.instance_of?(Array)
                  = data.page.author.join(", ")
                - else
                  = data.page.author

          - if data.page.date
            dl
              dt date
              dd
                = data.page.date

      == yield