I see that there is a great deal of effort being put into develop XML vocabularies for a multitude of purposes. Are there any concerted effort to try to standardize those bits which are common and consolidate those efforts which are duplicates? Alex Milowski FAX: (707) 598-7649 alex at milowski.com "The excellence of grammar as a guide is proportional to the paucity of the inflexions, i.e. to the degree of analysis effected by the language considered." Bertrand Russell in a footnote of Principles of Mathematics