nA W3C
Note resulting from a meeting this August (http://www.w3.org/TR/schema-arch)
nSignalled a widespread acceptance of
layering:
ä"XML has defined a transfer syntax for tree-structured
documents;
ä"Many data-oriented applications are being defined
which
build their own data structures on top of an XML document layer, effectively
using XML documents as a transfer mechanism for structured data; "
