highslide-software/highcharts.com — Issue #587: plotLines and adding series via ajax
Author: hfrntt
Created: 2011-11-22 12:05:49+00:00
State: open

Check this two examples: http://jsfiddle.net/hfrntt/zBFFf/1, http://jsfiddle.net/hfrntt/zBFFf/2

As you can see if there are no series, plot line defined in options is not properly rendered.