contrib/revsetbenchmarks.txt

--- a/contrib/revsetbenchmarks.txt	Fri Mar 14 14:43:44 2014 -0700
+++ b/contrib/revsetbenchmarks.txt	Tue Feb 18 11:35:03 2014 -0800
@@ -3,3 +3,6 @@
 roots(0::tip)
 author(lmoscovicz)
 author(lmoscovicz) or author(mpm)
+max(tip:0)
+min(0:tip)
+min(0::)