> -the source for the core apps is included with the SDK (and the SDK comes
> from PalmSource).
> -it is also my impression that the core apps are part of the "platform"
(and
> the platform comes from PalmSource).

If, by core, you mean the 4 PIM apps: Datebook, Address, To Do, and Memo
Pad, then you're right about all this. Note that not all apps in the
platform are in the SDK. For example, Calculator and Launcher are part of
the platform that goes out to all the licensees, but aren't included in the
SDK. (Nor are they included in the limited OS source.)

> Assuming I'm correct on the above, is NotePad not considered part of the
> platform then?

That's right; it's not part of the platform. It belongs to Palm, the
licensee, and is only found on their products. The same goes for Clock.

> Also does the platform encompass applications that come on
> the CD, or are those totally Palm, Inc.?

I haven't looked at the CD in a while, but I suspect most of the apps on it
belong to Palm or are licensed to them.

Bundled apps, both in ROM and on a CD, are one of the ways that licensees
differentiate their products. Handspring realized this early on, bundling a
fancier Datebook and calculator. Their Treo includes a support for dialing
an entry in the Address Book with one hand. Sony modified the apps to
support the jog dial, among other changes. Now that Palm and PalmSource are
separate companies, Palm is doing the same thing. Each licensee may release
their own header files, sample apps, etc; that's up to them.
--
Danny @ PalmSource

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