warning unknown type :empty-word
clojure-rte.rte-core> (canonicalize-pattern '(:or :empty-word (:cat Integer (:* Integer))))
saving problematic operands in *problematic-operands*
[:type clojure.lang.LazySeq :types nil :operands () :seq nil]
Execution error (ExceptionInfo) at clojure-rte.genus/eval951$fn (genus.clj:1204).
canonicalize-type: warning unknown type :empty-word
clojure-rte.rte-core>