highslide-software/highcharts.com — pull request #819 by cailie (2012-03-08 22:33:25+00:00)
Title: 'i' is undefined; onSeries.points may be undefined or an empty array

Assignment 'i = onData.length' was deleted in highslide-software/highcharts.com@e301d0cffd4ecbf1f9034afea4414770808c37d5
This is not a nice fix, but it illustrates the problems