Spec draft 6.

Changes in Draft 6 (attached):
- Use ‘http://www.w3.org/TR/xpath20’ as namespaceURI for Xpath.
- Illustrate targetId as an attribute (with additions and strikethroughs).
- Remove namespace qualifier from status values (e.g., “success”).
- Correct miscellaneous errors in examples (noted by Rami Elron).
- Assume top-level elements bulkModifyResponse and bulkDeleteResponse
of type spml:ResponseType.
- Assume top-level element iterateResponse of type SearchResponseType.

Also attached:
- updated draft_15_xsd_issues.txt
- updated spec_issues_20050405.txt