> Seems to me that applications care more about the printer driver API
> in the host OS rather than the protocol. The printer vendor will
> create the driver, the app writer just prints to the API.
Actually, most PWG members would rather say "the *platform* vendor
will create the driver".  Hence, the critical importance of getting
such players as Microsoft on board (and *happy* ;-).
When it comes to applications that need to "print", you're right,
app writer's just print to the (platform-specific) print API.
I don't believe that's at issue here at all.
What *is* at issue is the "host-to-device" (aka "server-to-printer")
protocol.  And that's where platform-specific driver developers
have specific concerns with regard to the viability of IPP as
a suitable protocol.
	...jay
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