ISO/IEC TS 30135-7:2014

Published (Edition 1, 2014)

This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

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Abstract

EPUB® documents, unlike print books or PDF files, are designed to change. The content flows, or reflows, to fit

the screen and to fit the needs of the reader. The EPUB 3.0 Specification says that "content presentation should

adapt to the user rather than the user having to adapt to a particular representation of content."

But this principle doesn't work for all types of documents. Sometimes content and design are so intertwined

they cannot be separated. Any change in appearance risks changing the meaning, or losing all meaning. Fixedlayout

documents give content creators greater control over presentation, when a reflowable EPUB is not

suitable for the content.

This document, EPUB 3 Fixed-Layout Documents, defines a set of metadata properties to allow declarative

expression of intended rendering behaviors of fixed-layout documents in the context of EPUB 3. It also defines

mechanisms to express the intended rendering dimensions of fixed-layout XHTML and SVG [ContentDocs30]

content, as well as bitmap images.

This standard contributes to the following Sustainable Development Goal