w3 validation

Hi,
Can you please check the w3 validation ? this plugin’s output is not w3 validated, main the twig template’s output has some non standard tag or duplicate

example

{% if settings.area.grid == ‘2’ %}
data-width=”auto”
{% else %}
data-width=”{{ settings.area.photo_width }}{% if settings.area.photo_width_unit == 1 %}%{% endif %}”
{% endif %}
data-icons=”{{ settings.icons.enabled }}”
data-preloader = “{{ settings.preload.enabled }}”
data-width=”{{ settings.area.photo_width }}{% if settings.area.photo_width_unit == 1 %}%{% endif %}”

here data-width attribute comes twice