IndexEntry ::= (PrimaryIE, (SeeIE|SeeAlsoIE)*, (SecondaryIE, (SeeIE|SeeAlsoIE|TertiaryIE)*)*)
The start-tag is required for this element. The end-tag is optional, if your SGML declaration allows minimization.
An IndexEntry wraps all of the index terms associated with a particular primary index term. This includes an arbitrary list of secondary and tertiary elements as well as See and SeeAlso elements.
Formatted as a displayed block. A rendered index usually places secondary items under primary items and tertiary items under secondary.
The following elements occur in IndexEntry: PrimaryIE, SecondaryIE, SeeAlsoIE, SeeIE, TertiaryIE.
In some contexts, the following elements are allowed anywhere: BeginPage, IndexTerm.
IndexTerm, Primary, PrimaryIE, Secondary, SecondaryIE, See, SeeAlso, SeeAlsoIE, SeeIE, Tertiary, TertiaryIE
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