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RE: [xml-dev] Ambiguous Content Model

At 1:49 PM -0400 10/4/01, Mark Endicott wrote:
>It appears to me that (A,B)*, A? isn't impossible. Wouldn't this lead to the
>following list of possible child elements?
>	(no children)
>	A
>	A, B
>	A, B, A
>	A, B, A, B
>	A, B, A, B, A
>	...
>This pattern is specified by (A,B)* | (A, (B, A)*).

but this pattern has the same problem has the original pattern --
When you hit the first A element, how do you know if goes with (A,B)* 
or if it goes with (A,  (B, A)*)

I spend a while trying to puzzle a way out of this one too... seems so simple.