"date" has no constraining facets?

The "date" type in 2E [1] doesn't have a section for "constraining 
facets".  The previous version has it.  Seems that it got replaced by the 
section for "canonical representation".

[1] http://www.w3.org/TR/xmlschema-2/#date

Thanks,
Sandy Gao
Software Developer, IBM Canada
(1-905) 413-3255
sandygao@ca.ibm.com