<p></p>
<p>No doorkeeper is not involved in OAuth 1 at all.</p>
<p>The issue relates to that rails doco I linked to and the fact it deliberately sends each flag twice and we were essentially checking if the parameter existed rather than if it was non-zero.</p>
<p>We think, but haven't proved yet, that the trigger was the switch to bootstrap for the worm - it may have been using <code>check_box_tag</code> before for example which doesn't cause the duplicate values.</p>

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