<p><em>Update:</em> If the tag is automatically destroyed after 24 hours without a thread (see @amoeba's comments above), it isn't clear that anything needs to be done.  </p>

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<p><strike>Because it seems likely to lead to some mis-taggings regardless of which tag it is made a synonym of, I would lean towards 'blacklisting' as the safest option.</strike>  </p>
