Nigel-- That's certainly and excellent idea: in fact that's how I found out about Mudcat! Took song classes at a festival from Aoife Clancy and Karan Casey, and both of 'em printed out lyrics from the site. I thought, hey, might be worth looking at....
By clicking on the User Name, you will requery the forum for that user. You will see everything that he or she has posted with that Mudcat name.
By clicking on the Thread Name, you will be sent to the Forum on that thread as if you selected it from the main Mudcat Forum page.
By clicking on the Subject, you will also go to the thread as if you selected it from the original Forum page, but also go directly to that particular message.
By clicking on the Date (Posted), you will dig out every message posted that day.