{{!
Language selection widget

languages
  code - two character language identifier
  selected - exists for the current language
  url - url to switch to this language
}}
{{#each languages}}
  {{~#if selected~}}
    <span>{{code}}</span>
  {{~else~}}
    <a href="{{{url}}}">{{code}}</a>
  {{~/if~}}
  {{#unless @last}}
    |
  {{/unless}}
{{/each}}