borisyankov/DefinitelyTyped — pull request #2296 by rogierschouten (2014-06-06 13:06:58+00:00)
Title: Bugfix in async.d.ts: error parameter in callbacks is listed as string b...

Bugfix in async.d.ts: error parameter in callbacks is listed as string but Error objects are put in by the async implementation. Note that this change will break existing code but I think rightly so.