fleabag, the thread was dropping off the bottom of the page so Sir jOhn posted a blank reply to put it back at the top again. It's known as refreshing a thread, to give as many people as possible the chance to notice it and hopefully respond.
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.
sj