diff -r 205c47e30a93 -r 37b82485097f mercurial/revset.py
--- a/mercurial/revset.py	Wed Aug 30 22:51:28 2017 +0900
+++ b/mercurial/revset.py	Wed Aug 30 16:05:12 2017 -0700
@@ -169,8 +169,8 @@
         yorder = followorder
     return getset(repo, getset(repo, subset, x, order), y, yorder)
 
-def flipandset(repo, subset, y, x, order):
-    # 'flipand(y, x)' is equivalent to 'and(x, y)', but faster when y is small
+def andsmallyset(repo, subset, x, y, order):
+    # 'andsmally(x, y)' is equivalent to 'and(x, y)', but faster when y is small
     if order == anyorder:
         yorder = anyorder
     else:
@@ -2101,7 +2101,7 @@
     "string": stringset,
     "symbol": stringset,
     "and": andset,
-    "flipand": flipandset,
+    "andsmally": andsmallyset,
     "or": orset,
     "not": notset,
     "difference": differenceset,