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Rules
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formatting
identification
images and media
internationalization
links
performance and compatibility
rights management
structure and code
accessibility
discoverability
ecodesign
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digital production
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Discoverability
10
Metadata describes the nature of the book’s content
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13
The ebook version number is indicated
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15
The title of each Content Document identifies its specific content
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16
The ebook is clearly identified by a visible EAN or ISBN-13 code
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33
Technical specifications are provided
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69
Content publication or update dates are programmatically determinable
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83
Metadata specifies whether the full content is accessible via text or audio
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84
Metadata specifies the presence of non-text content and its accessible alternatives
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85
Metadata must include the title, author, publisher, cover image, language, and source.
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