TheMadScientist - 7:35 pm on May 30, 2010 (gmt 0)
Yeah, Robert, I agree there is definitely a consistency in the use of the word reference, because that's exactly what they are doing with a URL only listing... They're 'indexing' (creating a reference to) the location of the information for the results, which in some cases is a URL only, but it still has to be indexed (have a 'short location reference' added) for them to show it to visitors, so in some (many?) cases they still create the reference (like GoogleGuy stated) in the index for URL only listings even though they do not access the information on the URL.
ADDED: It would be cool if they would extend the robots.txt to allow us to somehow say: 'Don't visit or show', maybe with something like 'NoView: /url' or 'NoReference: /url' which would not only tell the bots to stay away, but also tell them it should not be indexed or shown in the results.