+(define-syntax-rule (build-actions action-item ...)
+ "Build a mapping of actions. Same syntax as make-action-dispatch
+but this doesn't build the dispatcher for you (you probably want to
+pass it to simple-dispatcher).
+
+The advantage here is that since this simply builds an alist, you can
+compose it with other action maps."
+ (list (%expand-action-item action-item) ...))
+