Attempt to implement p:import-schema

Here's my first cut

  http://www.w3.org/XML/XProc/docs/langspec.html

                                        Be seeing you,
                                          norm

-- 
Norman Walsh <ndw@nwalsh.com> | To probe a hole we first use a straight
http://nwalsh.com/            | stick to see how far it takes us. To
                              | probe the visible world we use the
                              | assumption that things are simple until
                              | they prove to be otherwise.--E. H.
                              | Gombrich