{% comment %}
  Remove the zero padding from a month/day string
{% endcomment %}

{% assign ret = include.date_str %}
{% assign _first_chat = ret | slice: 0 %}

{% if _first_chat == '0' %}
  {% assign _last_idx = ret.size | minus: 1 %}
  {% assign ret = ret | slice: 1, _last_idx %}
{% endif %}

{{ ret | replace: ' 0', ' ' }}