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{% if img is matching("\.(jpg|jpeg|png)$") -%}
{% for asset in page.assets %}
{% if asset is ending_with(img) %}
{% set_global img = asset %}
{% break %}
{% endif %}
{% endfor %}
{% set meta = get_image_metadata(path=img) %}
{% set scale = meta.height / 500 %}
{% if scale > 1 %}
{% set size_y = 500 %}
{% set size_x = meta.width / scale %}
{% else %}
{% set size_y = meta.height %}
{% set size_x = meta.width %}
{% endif %}
{% set img_url = resize_image(path=img, height=size_y, op="fit_height") %}
{% if size_x < 400 %}
{% set xclass = "prefer-left" %}
{% endif %}
{% else %}
{% set img_url = get_url(path=page.path ~ img) %}
{% endif %}
<div class="figure {% if xclass %}{{ xclass }}{% endif %}">
<img src="{{ img_url | safe }}"
{% if alt %}alt="[{{ alt }}]"{% endif %}
>
<div class="caption">
{{ body | markdown | safe}}
</div>
</div>
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