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

<hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/5121#discussion_r1931956913">lib/rich_text.rb</a>:</p>
<pre style='color:#555'>> +    def truncate_html(html_doc, max_length = nil, empty_tag_length = 1000)
+      return html_doc if max_length.nil?
+
+      doc = Nokogiri::HTML::DocumentFragment.parse(html_doc)
+      accumulated_length = 0
+      last_child = nil
+
+      doc.traverse do |node|
+        if accumulated_length >= max_length
+          node.remove unless !last_child.nil? && last_child.ancestors.include?(node)
+          next
+        end
+
+        next unless node.children.empty?
+
+        accumulated_length += node.text? ? node.text.length : empty_tag_length
</pre>
<blockquote>
<p dir="auto">Images now take size of 1000 character.</p>
</blockquote>
<p dir="auto">Any empty tag costs 1000 characters. For example, empty paragraph costs 1000 characters. Something like this becomes empty:</p>
<pre class="notranslate"><code class="notranslate"><p></p>
<p></p>

hello?
</code></pre>
<p dir="auto">Some tags are naturally empty, for example <code class="notranslate"><br></code>. In this example "3" is truncated:</p>
<pre class="notranslate"><code class="notranslate">1  
2  
3
</code></pre>
<p dir="auto">(note spaces in markdown after "1" and "2")</p>

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