<p>WTF is a picture tag and how backwards compatible is it with older browsers?</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/1054#issuecomment-139828214">view it on GitHub</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/ABWnLbgmR11Hj31Ivd_CJHx7JtngTywbks5oxKiigaJpZM4F8Td4.gif" width="1" /></p>
<div itemscope itemtype="http://schema.org/EmailMessage">
<div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
  <link itemprop="url" href="https://github.com/openstreetmap/openstreetmap-website/pull/1054#issuecomment-139828214"></link>
  <meta itemprop="name" content="View Pull Request"></meta>
</div>
<meta itemprop="description" content="View this Pull Request on GitHub"></meta>
</div>