[DAS2] starting the validation work

[Ed Erwin]

Well, test it and see if it works.  If so, that looks like a good idea.

I wouldn't have thought this was allowed by DTD's, but if it is, then great!


Andrew Dalke wrote:
> 
> 
> If I follow it correctly we could just have a single
> DTD URL for everything we return because the first
> term in the doctype specifies the start element in
> the DTD.  Something like
> 
> <!DOCTYPE SOURCES PUBLIC "-//OBF DAS2 DSN//DTD/EN"
>                     "http://www.biodas.org/das2.dtd">
> 
> <!DOCTYPE SOURCE PUBLIC "-//OBF DAS2 DSN//DTD/EN"
>                     "http://www.biodas.org/das2.dtd">
> 
> <!DOCTYPE TYPES PUBLIC "-//OBF DAS2 DSN//DTD/EN"
>                     "http://www.biodas.org/das2.dtd">
>