> No part of this publication may be reproduced, stored in a retrieval
> system, or transmitted, in any form or by any means, mechanical,
> electronic, photocopying, recording, or otherwise, without prior
> written permission of Apple Inc., with the following exceptions: Any
> person is hereby authorized to store documentation on a single
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> of documentation for personal use provided that the documentation
> contains Apple’s copyright notice.
In particular, I can confirm that the file created by running
zip -rqX ~/path/to/Swift.epub .