9.4.221 <subject> Subject Grouping Name

9.4.221 <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:

@content-type Type of Content

@id Document Internal Identifier

Content model:

Any combination of:

Text, numbers, or special characters
Emphasis Elements
<alternatives> Alternatives For Processing
Inline Display Elements
- <inline-graphic> Graphic, Inline
- <private-char> Private Character (Custom or Unicode)
<chem-struct> Chemical Structure (Display)
<inline-formula> Formula, Inline
<named-content> Named Special (Subject) Content
<styled-content> Styled Special (Subject) Content
Baseline Change Elements
- <sub> Subscript
- <sup> Superscript