<p></p>
<p dir="auto">Sorry, perhaps I wasn't clear. My suggestion is to avoid converting spaces to underscores, but of course any underscores already used in the tag would be preserved.</p>
<pre class="notranslate"><code class="notranslate">irb(main):001> require 'erb'
=> true
irb(main):002> ERB::Util.url_encode('Leisure_and_entertainment')
=> "Leisure_and_entertainment"
</code></pre>
<p dir="auto">So if a mapper added spaces in the ids, that's their mistake, because there's no spaces in the ids. If they used underscores, those would be preserved.</p>
<p dir="auto">What I think we should avoid is <em>converting</em> spaces into underscores, because it's unnecessary.</p>

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