Entity system identifier?

Under the current XSL WD, is there any way, analogous to DSSSL's
entity-system-id procedure, to get the system identifier of an
external entity named in an ENTITY attribute value?

Regards,


Tony Graham
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Tony Graham                            mailto:tgraham@xxxxxxxxxxxxxxxx
Mulberry Technologies, Inc.                http://www.mulberrytech.com
17 West Jefferson Street                    Direct Phone: 301/315-9632
Suite 207                                          Phone: 301/315-9631
Rockville, MD  20850                                 Fax: 301/315-8285
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