<p></p>
<p><b>@hlfan</b> requested changes on this pull request.</p>

<hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/6616#discussion_r2617854829">lib/rich_text.rb</a>:</p>
<pre style='color:#555'>> @@ -97,6 +98,16 @@ def linkify(text, mode = :urls)
 
     private
 
+    def linkify_users(text)
+      text.gsub(/(?<!\w)@(?:(?:&quot;|["“”])(.+?)(?:&quot;|["“”])|(\w+))/) do |match|
+        name = ::Regexp.last_match(1) || ::Regexp.last_match(2)
+        slug = ERB::Util.url_encode(name)
+        safe_match = match.sub("@", "&#64;")
+
+        "<a href=\"/user/#{slug}\" rel=\"nofollow noopener noreferrer\">#{safe_match}</a>"
</pre>
<p dir="auto">This should go through <code class="notranslate">Rinku.auto_link</code> as well to keep it DRY</p>

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