History of util/collection Revision history for: English (US) Jan 15, 2016, 10:34:00 AM wbamberg Previous Apr 10, 2014, 11:16:00 AM n8chz Put square brackets around constructor and function parameters described in the article text as optional. Previous Dec 18, 2013, 8:13:39 PM wbamberg Previous Dec 18, 2013, 7:24:24 PM wbamberg Dec 10, 2013, 5:04:22 PM jsantell