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<subject> Subject Grouping Name
Name of one subject or topic used to describe an article. Such topics and groupings
of topics are typically used to provide headings for groups of documents or document
components in a printed, or online, generated Table of Contents.
Attributes
Models and Context
May be contained in
Description
Any combination of:
- Text, numbers, or special characters
- Emphasis Elements
- <alternatives> Alternatives For Processing
- Inline Display Elements
- Inline Math Elements
- <named-content> Named Special (Subject) Content
- <styled-content> Styled Special (Subject) Content
- Baseline Change Elements
Content Model
<!ELEMENT subject (#PCDATA %subject-elements;)* >
Expanded Content Model
(#PCDATA | bold | fixed-case | italic | monospace | overline | roman | sans-serif | sc | strike | underline | ruby | alternatives | inline-graphic | inline-media | chem-struct | inline-formula | named-content | styled-content | sub | sup)*