How to parse complicated XML with no Internet requirements and no entity nonsense

core.clj

(ns flaming-pidgeon.core
  (:require
    [clojure.xml :as xml]))
    
(defn startparse-sax-non-validating
  [s ch]
  (..  (doto  (. javax.xml.parsers.SAXParserFactory  (newInstance))
         (.setValidating false)
         (.setFeature "http://apache.org/xml/features/nonvalidating/load-dtd-grammar" false)
         (.setFeature "http://apache.org/xml/features/nonvalidating/load-external-dtd" false)
         (.setFeature "http://xml.org/sax/features/validation" false)
         (.setFeature "http://xml.org/sax/features/external-general-entities" false)
         (.setFeature "http://xml.org/sax/features/external-parameter-entities" false))
      (newSAXParser)
      (parse s ch)))

(doseq [node (xml-seq (xml/parse "somefile.xml" startparse-sax-non-validating))]
  (println (:tag node)))