sorting, and functions like Array.sum did not, this was already a concern. o Returning UNDEFINED from `+ and ``+ is not allowed and will cause an exception. o RegGetValue(), RegGetKeyNames(), RegGetKeyValues(), openlog(), syslog() and closelog() have been moved to System.
This function adds (as opposed to inserts) an element to a multiset.
o ADT.Scheduler & ADT.TreeScheduler These are variants of ADT.Heap where elements typically aren't removed from the heap. o Apple.Keychain Parser for Apple Keychain format files (like the ones in /System/Library/Keychains/).