Qualebook
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formatting
identification
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performance and compatibility
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Interoperability
16
The EAN and ISBN identifying the digital book is clearly indicated
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20
Chapters and other parts of the book are programmatically identified with ARIA Role and EPUB types
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21
If the digital book declares to respect one or more standards or repositories, a link is offered to each of them
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26
The included objects are provided with an appropriate fallback alternative.
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79
The ebook contains a valid navigation file (nav.xhtml)
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81
Scientific formulas are provided in the appropriate markup language (MathML, ChemML, etc.)
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86
ebook contains EPUB2 compatibilities when necessary
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87
Content files meet the weight limit of the oldest playback systems
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