krukow/clj-ds — pull request #5 by jordanlewis (2012-08-19 17:03:23+00:00)
Title: Apply PersistentHashMap.transient fix from mainline

Fix dissoccing colliding values in a transient hashmap (CLJ-829)

This bug, detailed in http://dev.clojure.org/jira/browse/CLJ-829, causes behavior wherein dissoc'ing a value with a colliding hashcode from a transient map causes the persistent map from which it was based to be modified as well.