lineWidth > 4 does not work in IE8

[ghost]

Hi,
I'm using version 2.1.5 along with Excanvas (r3), and I've included the script as found in the Demo page (starting with // IE function.bind polyfill)

The pie displays fine, but when I set the lineWidth to any value greater than 4, the track does not display at all in IE8 (works fine in Chrome and FF however).

Do you have any idea?

[RabbitJImmy]

As my understanding, this plugin supports only IE9+, the chart can not display in IE8. Nothing about the line width.