[structure.elements]

# 16 Library introduction [[library]](./#library)

## 16.3 Method of description [[description]](description#structure.elements)

### 16.3.2 Structure of each clause [[structure]](structure#elements)

#### 16.3.2.1 Elements [structure.elements]

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/lib-intro.tex#L191)

Each library clause contains the following elements, as applicable:[132](#footnote-132 "To save space, items that do not apply to a Clause are omitted. For example, if a Clause does not specify any requirements, there will be no “Requirements” subclause.")

- [(1.1)](#1.1)

Summary

- [(1.2)](#1.2)

Requirements

- [(1.3)](#1.3)

Detailed specifications

- [(1.4)](#1.4)

References to the C standard library

[132)](#footnote-132)[132)](#footnoteref-132)

To
save space, items that do not apply to a Clause are omitted[.](#footnote-132.sentence-1)

For example, if a Clause does not specify any requirements,
there will be no “Requirements” subclause[.](#footnote-132.sentence-2)