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{{- $email := .Get "email" -}}
{{- $size := .Get "size" | default "256" | int -}}
{{- $alt := .Get "alt" | default "User avatar" -}}
{{- $class := .Get "class" | default "w-32 h-32 rounded-full" -}}
{{- if $email -}}
{{- $hash := md5 (strings.TrimSpace (strings.ToLower $email)) -}}
{{- $gravatarURL := printf "https://www.gravatar.com/avatar/%s?s=%d&d=identicon" $hash $size -}}
<img
src="{{ $gravatarURL }}"
alt="{{ $alt }}"
class="{{ $class }}"
loading="lazy"
/>
{{- else -}}
{{- errorf "gravatar shortcode: 'email' parameter is required" -}}
{{- end -}}
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