in src/_plugins/code_tabs.rb [185:202]
def render(context)
output = %Q(<ul class="nav nav-tabs sample-code-tabs" id="#{@title}-language" role="tablist">)
is_active = true
for language in @languages
language_id = language_as_id(language)
output += %Q(
<li class="nav-item">
<a class="nav-link #{is_active ? "active" : ""}" id="#{@title}-#{language_id}" href="\##{@title}-#{language_id}-tab" role="tab" aria-controls="#{@title}-#{language_id}" aria-selected="true">#{language}</a>
</li>
)
is_active = false
end
output += "</ul>"
output.strip
end