fns defined with def not font locked as fns

[oskarkv]

Expected behavior

Functions should be font locked as function.

Actual behavior

Functions defined with def are not font locked as functions.

Steps to reproduce the problem

Type and eval the following and note the colors.

(def a-var 1)
(def a-fn (fn [x]))
(a-fn a-var)

CIDER version information

;; CIDER 0.16.0snapshot (package: 20170916.248), nREPL 0.2.12
;; Clojure 1.9.0-alpha20, Java 1.8.0_131