{{- $license := "" -}}
{{- if and (isset .Params "license") (ne .Params.license "") -}}
{{- $license = .Params.license -}}
{{- else if and (isset .Site.Params "license") (ne .Site.Params.license "") -}}
{{- $license = .Site.Params.license -}}
{{- end -}}

{{- if ne $license "" -}}
<section class="article-license">
    {{- $license | safeHTML -}}
</section>
{{- end -}}