{% for tag in site.tags %} {% capture test %}{{tag[0] | slice: 0}}{% endcapture %} {% capture testup %}{{tag[0] | slice: 0 | upcase}}{% endcapture %}
{{tag[0]}}
{% endfor %}
{% for tag in site.tags %} {% capture test %}{{tag[0] | slice: 0}}{% endcapture %} {% capture testup %}{{tag[0] | slice: 0 | upcase}}{% endcapture %}

{{tag[0]}}

{% endfor %}