Last modified: 2008-09-06 19:29:01 UTC
The API no longer returns prefix indexes where the prefix given ends in a forward slash. It used to until just recently. I believe the revision at fault here is r1=37775&r2=40088">http://svn.wikimedia.org/viewvc/mediawiki/trunk/phase3/includes/api/ApiQueryAllpages.php?r1=37775&r2=40088 .
*** This bug has been marked as a duplicate of bug 15471 ***