questions on orgls for the inclusion list waldo

[Hugh Hoover <heh>]

I've been peering at the (more or less) latest alpha interfaces in order
to decide how to implement the necessary functions.

  For context, this is what I've done so far:

I have various routines built and tested for interpreting TreeOrdered
positions and mapping them into a text structure like: (a(b)(c));
where a has two children of size (er, count) 1.  So, if given a position like:
(0,0) I can figure out that it's b's first (undefined) child. (I interpret
the position () to be the root -- a in this case, b is at (0) and c at (1)).

  OK, so like, if I had a textSpace constructed in this manner, I can make
it look treeOrdered.

  Now to my problem.  The a,b,c in the previous example are representative of
partkeys for the document components they represent.  I assume there is no
problem in mixing partkeys with PacOBits objects in a naked orgl, although
a well dressed (Text) one might object.  To simplify my job, I just want to
use a Text waldo for manipulating the space, although I also expect to use 
some orgl operations (transform, combine) to mix in the partkeys.

---- How do I build an orgl with a partkey as the dataobject that it references?

  GateKeepers can build an orgl from a BitArray, but that's the only
way I see to construct an orgl referencing data.  Am I missing something
obvious, or do I have to extend the GateKeeper protocol to allow creation of
orgl's with arbitrary objects as their data?

--Hugh