_content/article.tmpl

{{define "layout"}}
  <article class="Article {{with section .}}Article--{{strings.Trim . "/"}}{{end}}">

    {{if .sidebar }}
    <div class="Article-columns">
    <div class="Article-content">
    {{end}}
    <h1>{{.title}}</h1>
    {{.Content}}

    {{if .sidebar }}
    </div>
    {{if eq .sidebar "faq"}}
      {{ faqsidebar .}}
    {{else if eq .sidebar "bug"}}
      {{ bugsidebar .}}
    {{end}}
    </div>
    {{end}}
  </article>
{{end}}