Comments / author_link() – trackback?

Hi!

I’m using comment_author_link() in my comments.php file, and designing the comments boxes to appear nice and neat. But, I have noticed it displays trackbacks too in the comments. When it comes to comment_author_link() it displays a huge name like, “John’s Blog >> Article Linked To You”, is there a way to find out if a comment is actually a trackback, and to ignore it?

If not, is there a way to truncate comment_author_link() to a set number of characters (if it’s a trackback), or an easier way?

Thanks,
Jbbrwcky