Last modified: 2013-07-15 01:43:22 UTC
See https://en.wikipedia.org/wiki/Mitochondrial_DNA?veaction=edit - the links appear, via source editing, to be perfectly normal, and yet you can't interact with them and they display oddly.
This would have been bug 48900 in Parsoid. *** This bug has been marked as a duplicate of bug 48900 ***