{{- /* Navigation placeholders and schema-only links are covered by the indexes. */ -}}
{{- $visible := slice -}}
{{- range .tags -}}
  {{- $description := strings.TrimSpace (.description | default "") -}}
  {{- $placeholder := or (eq $description (printf "%s reference." .summary)) (eq $description (printf "%s operations." .name)) -}}
  {{- $schemaLink := findRE `^\[[^\]]+\]\(#schema-[^)]+\)$` $description -}}
  {{- if and $description (not $placeholder) (not $schemaLink) -}}
    {{- $visible = $visible | append . -}}
  {{- end -}}
{{- end -}}
{{- return $visible -}}