> I'd guess this is why the PUBLIC id is required while the SYSTEM id is
> optional for NOTATIONs.
Actually you can have either public or system ids or both for
NOTATION declarations, a unique case in XML (which otherwise
requires system ids).
> The path to the handler probably belongs in a
> system dependent application config file, not the DTD. Much like how web
> servers use config files to look up MIME handlers.
Exactly so!
-- John Cowan http://www.ccil.org/~cowan cowan@ccil.org You tollerday donsk? N. You tolkatiff scowegian? Nn. You spigotty anglease? Nnn. You phonio saxo? Nnnn. Clear all so! 'Tis a Jute.... (Finnegans Wake 16.5)