glXGetProcAddressARB.

- start at a sensible size
- tidy up WndProc
- use a timer instead of sleeping in the message loop (Ugh!)

function's return value.

original file.

- fix 565 colour-keying conversion
- properly handles Pitch in colour conversion
- easier and less buggy UNPACK_WIDTH support

Only allocate the winproc selector when actually needed.

identifier.

- Move CLSIDFromProgID16 so it can be used internally.
- Compile out more Win16 sources.

- Don't use outer unknown in StdDispatch.

NtQueryInformationThread.

explanation of the "soft" vs. "hard" dependencies.

loading everything at startup.

Entering protected mode uses simpler and more robust virtual interrupt
flag check.
Mouse events are now received in graphics modes.
Improved tracing output of int33 handler.