Expand timezoneOffsetNumber() docs

Author: srvance

jquery-ui-timepicker-addon.js

@@ -1938,8 +1938,8 @@
 
 	/**
 	 * Get the number in minutes that represents a timezone string
-	 * @param  {string} tzString formatted like "+0500", "-1245"
-	 * @return {number}
+	 * @param  {string} tzString formatted like "+0500", "-1245", "Z"
+	 * @return {number} the offset minutes or the original string if it doesn't match expectations
 	 */
 	$.timepicker.timezoneOffsetNumber = function(tzString) {
 		var normalized = tzString.toString().replace(':',''); // excuse any iso8601, end up with "+1245"