Mike answered:

   Na und?  Sounds like you want a megaprotocol rodent translation
   engine then, whether it lives in userspace or kernel space.  

In userspace the unused parts will be omitted, when demand-paging. :-)

and: we _have_ dynamic loadable user libraries, btw.... it its really
going to become big. 

Actually, using a dynamic loadable library for the X server's blitter
support code (if any) and the the X server's mouse decoding doesn't
sound too bad, does it?

	-is