--- a/contrib/all-revsets.txt	Wed Jun 10 19:58:27 2015 -0700
+++ b/contrib/all-revsets.txt	Tue Jun 16 19:47:46 2015 -0700
@@ -118,3 +118,9 @@
 # those two `roots(...)` inputs are close to what phase movement use.
 roots((tip~100::) - (tip~100::tip))
 roots((0::) - (0::tip))
+
+# Testing the behavior of "head()" in various situations
+head()
+head() - public()
+draft() and head()
+head() and author("mpm")