Document Hierarchy Diagrams

Key to the Near & Far Diagrams

Element Occurrences

../graphics/nf-elem-req.gif Required
../graphics/nf-elem-opt.gif Optional. May occur zero or one times.
../graphics/nf-elem-plus.gif Required, repeatable. Must occur one or more times.
../graphics/nf-elem-mul.gif Optional, repeatable. May occur zero or more times.

Additional Symbols Associated with Elements

../graphics/nf-elsewhere.gif Element content is expanded elsewhere in the diagram.
../graphics/nf-attributes.gif The element has attributes.
../graphics/nf-collapse.gif One or more elements collapsed for clarity
../graphics/nf-root.gif Element is the root element of the model.
../graphics/nf-pcdata.gif Text, numbers, and special characters

Grouping Elements

../graphics/nf-req-seq.gif Required sequence: Element1 followed by Element2 followed by Element3
../graphics/nf-or-seq.gif Choice of sequence: Element1 or Element2 or Element3

Compound Examples

../graphics/nf-compound1.gif Zero or more repetitions of Element1 or Element2 or Element3 followed by zero or one occurrences of Element4
../graphics/nf-compound2.gif Zero or one occurrences of either Element1 followed by Element2 followed by Element3 or one or more occurrences of Element4
../graphics/nf-compound3.gif Either one or more repetitions of Element1 followed by Element2 or one or more occurrences of Element4

Subsidiary sections:

Top level element: Article

Front Matter

Body and Section

Back Matter

Floating Objects

Sub-article and Response

Body Blocks

Inlines

Journal Archiving and Interchange Tag Library NISO JATS Version 1.3d1 (ANSI/NISO Z39.96-2019)

Version of October 2019

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