mercurial/hgweb/webcommands.py

--- a/mercurial/hgweb/webcommands.py	Mon Jul 01 06:50:58 2013 +0200
+++ b/mercurial/hgweb/webcommands.py	Sat Jul 13 02:36:29 2013 +0400
@@ -247,8 +247,7 @@
     count = len(web.repo)
     pos = ctx.rev()
     start = max(0, pos - revcount + 1)
-    end = min(count, start + revcount)
-    pos = end - 1
+    end = pos + 1
     parity = paritygen(web.stripecount, offset=start - end)
 
     changenav = webutil.revnav(web.repo).gen(pos, revcount, count)