<p></p>
<p><b>@AntonKhorev</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/6037#discussion_r2107496567">app/helpers/browse_helper.rb</a>:</p>
<pre style='color:#555'>> +    preferred_languages.expand.each do |locale|
+      key = "name:#{locale}"
+      return tags[key] if tags[key]
+
+      key = "name:#{locale.to_s.split('-').first}"
+      return tags[key] if tags[key]
+    end
</pre>
<p dir="auto"><code class="notranslate">expand</code> adds candidate languages that include dropping territory subtags. That makes <code class="notranslate">split('-').first</code> unnecessary.</p>
<pre class="notranslate"><code class="notranslate">open-street-map(dev)> u.preferred_languages.map &:to_s
=> ["en-US", "ru-RU"]
open-street-map(dev)> u.preferred_languages.expand.map &:to_s
=> ["en-US", "en", "ru-RU", "ru"]
</code></pre>

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