Reuters
Henry S. Thompson
XML Schema, London 1999-12-15
25
Complex types
ä
(title?,forename*,surname)
ä
(shorthand for) content model for
name
n
the ? can be seen as permission, the , and the
'surname' as
obligations (at the end of the day,
each component involves both
permission
AND obligation, but the balance of impact is
as suggested)