Contains the number of (a count of) various objects, such as equations, figures, tables, etc., that are contained within a book (or book component)
Value | Meaning |
---|---|
Number | Although the NCBI Book DTD (or NCBI Collection DTD) cannot limit this attribute beyond letters, numbers, and special characters, validation beyond the DTD may constrain this attribute to a counting number (positive integer), for example “15”. |
Restriction: This attribute must be specified if the element is used. |