Automattic/Co-Authors-Plus — pull request #43 by asannad (2012-05-10 22:01:09+00:00)
Title: Add rel=author to coauthor links

I had a case where we want to add rel="author" to coauthor links. Also it will be better to have it configurable, so we can change the rel="author" to some other value (may be rel="nofollow").

----
Add filter to coauthors_posts_links_single to customize attributes while rendering co-author links.
Add new attribute rel=author for the link.

Amit Sannad