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

<hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/1779#discussion_r172737702">app/helpers/browse_helper.rb</a>:</p>
<pre style='color:#555'>> @@ -188,4 +190,16 @@ def telephone_link(_key, value)
 
     "tel:#{value_no_whitespace}"
   end
+
+  def colour_preview(key, value)
+    return nil unless (key =~ /^(|building:|ref:|roof:)colour$/ || key =~ /^(int_)?ref:colour(_(bg|tx))?$/) && !value.nil?
</pre>
<p>I'm very much opposed to anything that shows tagging mistakes as if they are correctly tagged. It's part of the guidelines established for the openstreetmap-carto project, and I'd like to apply similar guidelines to the browse pages:</p>
<p>"It's an important feedback mechanism for mappers to validate their edits and helps to prevent unfavorable fragmentation of tag use."</p>
<p>So no "color" tags and nothing that would show e.g. "buidling:colour" (note misspelling).</p>

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