Basic HTML version of Foils prepared August 1 99

Foil 17 Notation Used for Element Content Declarations

From Advanced XML and its applications CPS714 Computational Science Information Track -- July 7 99. by Lukasz Beca
(expression) - expression treated as a unit
(a, b) - sequence: a followed by b
(a|b) - choice: a or b but not both
a? - a or nothing
a+ - one or more occurrences of a
a* - zero or more occurrences of a
Example:
(title,author+,date,keywords?)*

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