* Revision 1.4 2000/06/24 18:29:05 mdw
* Interface change: allow shares to be extracted from a context on demand,
* rather than building them all up-front.
* Revision 1.4 2000/06/24 18:29:05 mdw
* Interface change: allow shares to be extracted from a context on demand,
* rather than building them all up-front.