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Re: Logical Order in a "manifest" vs in "content"

From: Cramer, Dave <Dave.Cramer@hbgusa.com>
Date: Tue, 28 Feb 2017 19:04:58 +0000
To: Leonard Rosenthol <lrosenth@adobe.com>, W3C Digital Publishing IG <public-digipub-ig@w3.org>
Message-ID: <D4DB2D56.12ED2%dave.cramer@hbgusa.com>
[1] The web has little support for rel=prev | rel=next, which is unfortunate.

[2] Clicking links is a bad user experience when reading linear immersive content that may be divided into pieces (as in book chapters). I don’t want to have to find a tiny link and click it to get from the end of chapter one to the beginning of chapter two. Ideally the same gesture (such as swiping in a paginated mobile environment) will get me through the entire publication.

We talked about some of these issues on Github (see https://github.com/w3c/dpub-pwp/issues/21#issuecomment-232671621) Marco’s example of https://hpbn.co/ was very interesting to me, and I found navigating through that text to be annoying and difficult.

[3] knowing something of the content order independent of the actual content documents could allow reading environments to to provide affordances (such as page numbers/locations) to help the reader locate themselves in the text. A plot twist 10% of the way through a book feels very different than one 90% through the book.

Dave


From: Leonard Rosenthol <lrosenth@adobe.com<mailto:lrosenth@adobe.com>>
Date: Tuesday, February 28, 2017 at 1:19 PM
To: W3C Digital Publishing IG <public-digipub-ig@w3.org<mailto:public-digipub-ig@w3.org>>
Subject: Logical Order in a "manifest" vs in "content"
Resent-From: <public-digipub-ig@w3.org<mailto:public-digipub-ig@w3.org>>
Resent-Date: Tuesday, February 28, 2017 at 1:20 PM

I’d like to explore the idea of why we need logical order specified in the manifest (or metadata, but let’s just say manifest for now).

As I understand it, the reason is to provide a UA/RS with the ability to provide its own navigation experience outside of any content-based navigation.  I have heard (but don’t fully understand) that it is especially important to AT solutions.  I am correct on these things?  Is there any other reason it is needed?

But I think we would all agree that it is not well aligned with normal web content navigation, where the content itself specifies the navigation (usually via links) and that users have no problems (either with or without AT).

So what would be the downsides to moving to a “content provides navigation” model?  Wouldn’t it enable us to get rid of the complexity (and non-web-aligned) of having a specified order?

Discuss!

Thanks,
Leonard

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Received on Tuesday, 28 February 2017 19:06:00 UTC

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