{{/* A flat list with a level class per entry, so nesting is a CSS decision rather than a markup one: the
     engine supplies depth and the theme decides whether to indent (ADR-0065). An entry with no id is
     skipped rather than linked nowhere. */}}
{{define "toc"}}
{{- if .Headings}}<nav class="toc" aria-label="{{t .Lang "contents"}}">
<p class="toc-title">{{t .Lang "contents"}}</p>
<ol>
{{- range .Headings}}{{if .ID}}
<li class="toc-{{.Level}}"><a href="#{{.ID}}">{{.Text}}</a></li>
{{- end}}{{end}}
</ol></nav>
{{- end}}
{{- end}}