--- a/mercurial/revlog.py	Tue Oct 18 18:38:39 2005 -0700
+++ b/mercurial/revlog.py	Tue Oct 18 20:05:54 2005 -0700
@@ -98,6 +98,8 @@
     def __len__(self):
         return len(self.p.index)
     def load(self, pos):
+        if pos < 0:
+            pos += len(self.p.index)
         self.p.load(pos)
         return self.p.index[pos]
     def __getitem__(self, pos):