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| Related Syntax | Related Concepts | ||||||||
| operator | number of | ||||||||
Return type: Integer The number of items on the shelf.
Returns:       
Syntax
number of shelf-name
Returns the number of items on a shelf.
number-of is provided as a synonym for number of for compatibility with earlier versions of OmniMark. 
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Related Syntax number of attribute number of referents number of attributes number of data-attributes number of current subdocuments  | 
Related Concepts Attributes: list-valued Shelves  | 
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