It's early and I'm not quite sure if this is how it always been, but
From: auctioneer (5:25 PM EDT)
You have been outbid in an auction for A Blade of Thuringwethil [73x1] (+0) -- <a href="/gc/view-one.tcl?classified_ad_id=115345">details here</a>
From: auctioneer (3:15 PM EDT)
You won An Ice Familiar lvl 20 for 63813 -- <a href="/gc/view-one.tcl?classified_ad_id=115290">details here</a>
The 'details here' links come out as html, and don't provide the link itself.