the following markdown code
`foo [["bar"]]` generates the following output:

foo <span class="createlink"><a href="http://euler/~dabd/wiki/ikiwiki.cgi?page=__34__bar__34__&amp;from=foo&amp;do=create" rel="nofollow">?</a>&#34;bar&#34;</span>

Perhaps this is a bug in the markdown processor?