On Sunday 03 January 2010 18:55:36 you wrote:

On Sunday 03 January 2010 12:15:59 you wrote:

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...

There were a few other small problems, but on the whole, you were pretty close.

You moved the code around a bit so the diff isn't trivial. What were the other small problems?

Ah, I found one. Duplicated template parameters for the expression rules. -Dave