Quotes within quotes in search user posts not seen as quoted

If you use the search user's posts from a person's profile page, quote within a quote does not always show up as quoted. It is inconsistent and I haven't been able to identify a pattern. For example, if you were to search subBlue's posts, his post on January 30th 2006 shows a quote within a quote just fine. Two posts down (20 Jan 2006) shows a single quote just fine. However, the next post (15 Jan 2006), should show a quote within a quote - if you go to the thread, it appears fine. The only reason I even noticed it when looking for an old post is becuase it looked like subBlue was talking in the third person.