[Seaside] style: not supported for table headers (canvas api)?

[Rick Flower]

I tried using the following and got a DNU for it :

html tableHeading: 'Inventory on-hand'; style: 'text-align: right'.

Is this just missing in the Canvas API or in general?  In this case, I'm 
using the Canvas API.  If it helps, I'm using Seaside 2.6b1.43.0.


-- Rick