<p>I find the '?' icon pretty sensible for this interaction, even though it is an overloaded symbol. It could also mean 'help. Magnifying glass, which is the other option, is overloaded too, as <a href="https://github.com/pnorman" class="user-mention">@pnorman</a> mentioned.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br>Reply to this email directly or <a href="https://github.com/openstreetmap/openstreetmap-website/pull/721#issuecomment-62054346">view it on GitHub</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/ABWnLd6pWb_JpeWL1m1SZotYYqcuynACks5nK99KgaJpZM4BqDMU.gif" width="1" /></p>
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