Google Charts - how can I use HTML tags in the annotation text?

[perky416]

I have an area chart with several annotations. How can I get the chart to pick up on any html within the annotation text?

For example if my annotation text was:

"<b>Hello</b> this is the first line.<br />And this is the second line."

I want it to show as:

"Hello this is the first line.

And this is the second line."

I have looked up the documentation and it appears it can be done in an annotation chart by setting allowHtml to true, but I cant figure out how to do it with other charts.

My annotation text values, and pretty much the whole data table is generated in JSON as the raw data is in a mysql database.

My columns are generated as follows:

array('id' => '', 'label' => 'Date', 'type' => 'date'),

array('id' => '', 'label' => 'Value', 'type' => 'number'),

array('id' => '', 'label' => 'event', 'type' => 'string', 'role' => 'annotation'),

array('id' => '', 'label' => 'eventText', 'type' => 'string', 'role' => 'annotationText'),

All help greatly appreciated!