{{- define "main" -}}
{{- if (gt (len (findRE "<h1" .Content)) 0) }}
    <section>
    {{ replaceRE "(<h1.*</h1>)" "</section>\n$1\n<section>" .Content | strings.TrimLeft "\n " | safeHTML }}
{{- else -}}
    <section>
      {{ .Content | replaceRE "\n" "\n      " | safeHTML }}
{{- end }}
    </section>
    {{ if .Params.categories }}[{{ range .Params.categories }} <a href="/categories/{{ . }}">@{{ . }}</a> {{ end }}]{{ end }}
    {{ if .Params.tags }}[{{ range .Params.tags }} <a href="/tags/{{ . }}">#{{ . }}</a> {{ end}}]{{ end }}
    <div class="last-modified">Last modified {{ dateFormat "January 2 2006 15:04 MST" .Lastmod }}</div>
    <div class="page-nav" align="center">
      {{- if .NextInSection }}
      <a href="{{ .NextInSection.Permalink }}">Newer</a>
      {{- end }}
      <a href="{{ .Parent.Permalink }}">&lt;{{ .Parent.Name }}&gt;</a>
      {{- if .PrevInSection }}
      <a href="{{ .PrevInSection.Permalink }}">Older</a>
      {{- end }}
    </div>
{{- end -}}