Issue #2160 has been updated by Yui NARUSE. fyi, http://github.com/flori/json/issues/closed/#issue/2/comment/62313 On latest original JSON's commit, JSON now rasises error for invalid JSON output. It will merge to 1.9. ---------------------------------------- http://redmine.ruby-lang.org/issues/show/2160 ---------------------------------------- http://redmine.ruby-lang.org