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
1 (expression) - expression treated as a unit
2 (a, b) - sequence: a followed by b
3 (a|b) - choice: a or b but not both
4 a? - a or nothing
5 a+ - one or more occurrences of a
6 a* - zero or more occurrences of a
7 Example:
8 (title,author+,date,keywords?)*
in Table To:

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