;; *** before: ***
;; a fully-qualified key had to be written out on every entry
{:car/make "Jeep" :car/model "Wrangler"}
;=> #:car{:make "Jeep", :model "Wrangler"}

;; *** in version 1.9: ***
;; #:ns{...} sets the namespace once for every key in the map
#:car{:make "Jeep" :model "Wrangler"}
;=> #:car{:make "Jeep", :model "Wrangler"}