[relaxng-user] understanding why trang is upset

James Clark jjc at jclark.com
Mon Jan 19 09:40:50 ICT 2004

On Mon, 2004-01-19 at 06:42, Sebastian Rahtz wrote:
> The exchange about preprocessing RNG to make it acceptable to trang to 
> create DTDs
> prompted me to revisit my own situation. Some careful staring reduced 
> the problem to
> a series of
>    error: sorry, cannot handle this kind of "choice"
> messages. But now I am stuck. I really do not understand what trang is 
> objecting to
> in things like this
>        macro.paraContent =
>           (text | class.phrase | class.inter | class.Incl)*

The problem is that class.phrase etc contain <empty/>.


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