This surprised me:

(honey.sql/format {:select #{:foo :bar} :from :baz})
;;=> ["SELECT ? FROM baz" #{:bar :foo}]
(honey.sql/format {:select [:foo :bar] :from :baz})
;;=> ["SELECT foo, bar FROM baz"]

Sequential forms are part of the DSL. Other data structures are treated as your data.

(I'm on vacation for a couple of weeks so responses will be rare)

OK, makes sense, thanks! (And have a relaxing vacation!)