Affected wiki(s):
At least nlwiki, possibly all wikis.

Diff(s) (if applicable):
1 2 3

What is happening?:
IABot seems to correctly detect these links as dead and correctly find an archive, but somewhere along the way the part of the URL after the comma is chopped off, leaving a bad link.

What should happen instead?:
IABot should preserve any URLs that archive.org provides.