Pie chart series bug

[BKM]

When writing a custom tip renderer to a chart series, single quotes are not transferred to the resultant code.

For example, writing this into the tip dropdown...

{trackMouse: true,width: 90,
height: 28,
anchor: 'right',renderer: function (storeItem, item){this.setTitle('TEST');} }

...results in this being written to the actual code...

tips: {
trackMouse: true,
width: 90,
height: 28,
anchor: 'right',
renderer: function(storeItem,
item){
this.setTitle(TEST);
}