<p><a href="https://github.com/brettch" class="user-mention">@brettch</a> : it looks like the check was first introduced here in osmosis: <a href="https://github.com/openstreetmap/osmosis/commit/89b1c133195527d00b6a112da02227b333f4524a?diff=unified" class="commit-link">openstreetmap/osmosis@<tt>89b1c13</tt>?diff=unified</a></p>

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