Hello all, This is a notice to all active interwiki bot owners. Today, we have received two worrying bug reports of interwiki bots, removing content from pages: http://nl.wikipedia.org/w/index.php?title=Blankenbach&diff=prev&old… http://simple.wikipedia.org/w/index.php?title=Mettau%2C_Switzerland&act… Unfortunately, it is not possible to reproduce this bug by running interwiki.py on the mentioned pages. As such, we have no idea what this problem was caused by. HiW-bot (nlwiki edit) was running r9558 at the time of the edit. We would like your help in tracing the cause of this bug. If possible, see if your bot has made any strange changes, and report them in the bug thread for this problem: https://sourceforge.net/tracker/index.php?func=detail&aid=3414669&g… This might be related to the MediaWiki 1.18 deploy, see http://blog.wikimedia.org/2011/09/16/mediawiki118iscomin/ for more information Thank you for your cooperation and understanding, The pywikipediabot developers