I wonder if this cljs.pprint/write-option-table map is needed at all, as it doesn't seem to be used anywhere: https://github.com/clojure/clojurescript/blob/95fd110f55c57b890422763ed8f2644cfbf159de/src/main/cljs/cljs/pprint.cljs#L692

It causes all those Var's metadata to be dropped into compiled output (even in advanced mode). See http://dev.clojure.org/jira/browse/CLJS-1853 for more context