Dropdown menus that handle Japanese / Chinese

gistfile1.html

<nav role="navigation">  
  <ul id="nav">
    {% for link in linklists.main-menu.links %}
    {% assign has_drop_down = false %}
    {% assign child_list_handle = link.title | handle %}
    {% comment %}If the link uses the arabic, hebrew or cyrillic alphabet, or is in Chinese or Japanese, the handle will be empty.{% endcomment %}
    {% if child_list_handle == '' %}
      {% for i in (0..8) %}
        {% unless has_drop_down %}
          {% if forloop.first %}
            {% assign temp = 'link-list' %}
          {% else %}
            {% capture temp %}link-list-{{ i }}{% endcapture %}
          {% endif %}
          {% if linklists[temp] and linklists[temp].links.size > 0 and linklists[temp].title == link.title %}
            {% assign has_drop_down = true %}
            {% assign child_list_handle = temp %}
          {% endif %}
        {% endunless %}
      {% endfor %}  
    {% else %}
      {% if linklists[child_list_handle] and linklists[child_list_handle].links.size > 0 %}
        {% assign has_drop_down = true %}
      {% endif %}
    {% endif %}
    <li class="nav-item{% if forloop.first %} first{% elsif forloop.last %} last{% endif %}{% if link.active %} active{% endif %}{% if has_drop_down %} dropdown{% endif %}">
      <a class="nav-item-link smooth" href="{{ link.url }}">
        {{ link.title }}
      </a>
      {% if has_drop_down %}
      <ul class="sub-nav">
        <li class="sub-nav-niblet"></li>
        {% for l in linklists[child_list_handle].links %}
        <li class="sub-nav-item{% if forloop.first %} first{% elsif forloop.last %} last{% endif %}">
          <a class="sub-nav-item-link {% if forloop.first %}first{% endif %} {% if forloop.last %}last{% endif %}" href="{{ l.url }}">{{ l.title }}</a>
        </li>
        {% endfor %}
      </ul>
      {% endif %}
    </li>
    {% endfor %}
  </ul>
</nav>

I am not a professional programmer. Can you help where should put this code.