Sorry, I didn't mean to be obtuse.
My component is a diagram, showing different data for different dates. The page has a h:selectOneRadio which lets you select between two dates. You can see the JSF1.2 incarnation of the page here:
http://www.apprisantj.com/jsfdemos/camp/reserve.faces
In the h:selectOneRadio I put the following:
<f:ajax render="diagram" onevent="printData" />
The spec tells me that execute defaults to @this, so I would expect the radio button to update its value expression, and the diagram to get re-rendered. In fact looking at the output, the diagram is the only thing it is trying to render.
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