Two orthographies have been fought over at the Belarussian Wikipedia,
with the effect now being that the pages that used to be at
be.wikipedia.org now are at be-x-old.wikipedia.org, and a new
Wikipedia has been started at be.wikipedia.org.
To deal with this with the bot, apart from adding the language
be-x-old I have made the following changes to the interwiki.py bot:
1. If an interwiki to be: is found, the bot will also check the page
in the same title on be-x-old.
2. If an interwiki to be-x-old: exists or is added, removing a link to
be: is not considered a 'controversial' edit, and thus will be done
without the need of using -force or explicitly agreeing, and even in