JesterMagic - 2:18 pm on Feb 11, 2013 (gmt 0)
JohnMu reported in Google groups (see link on first page) of this topic)
"This looks like an issue with how the data is displayed in Webmaster Tools, it shouldn't affect your site's crawling, indexing or ranking."
So if it is not just a display issue it could possibly affect rankings.
BTW Any new news on this?