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Re: [pwp] Progressive enhancement of digital books

From: Cramer, Dave <Dave.Cramer@hbgusa.com>
Date: Thu, 3 Dec 2015 16:47:09 +0000
To: Leonard Rosenthol <lrosenth@adobe.com>
CC: Nick Ruffilo <nickruffilo@gmail.com>, Ivan Herman <ivan@w3.org>, "Florian Rivoal" <florian@rivoal.net>, Luc Audrain <LAUDRAIN@hachette-livre.fr>, "W3C Digital Publishing IG" <public-digipub-ig@w3.org>, Robin Berjon <robin@berjon.com>
Message-ID: <DE460B87-D2C7-4F67-A012-3B6AAED029D7@hbgusa.com>

On Dec 3, 2015, at 11:31 AM, Leonard Rosenthol <lrosenth@adobe.com> wrote:

> On 12/3/15, 7:39 AM, "Cramer, Dave" <Dave.Cramer@hbgusa.com> wrote:
>
>
>> On Dec 3, 2015, at 10:28 AM, Nick Ruffilo <nickruffilo@gmail.com> wrote:
>>
>>> Dave,
>>>
>>> Would this suggest that there is not a global navigation that defines the order of all pages, and simply a relative positioning of next/prev in each document?  Or would this be as as-well-as?
>
> That was my concern as well, Nick.  I would expect that an RS/UA requires a full list of “sections” and their logical ordering so that (if desired) it could present some UX elements such as a TOC, “bookmarks” or whatever.

A nav document should be required for all PWPs, just as it is for in EPUB3. Perhaps the logical ordering there could be considered primary, with prev/next allowing the content to function even in harsh environments.

>
>
>> That's an interesting question. In the spirit of progressive enhancement, I think the prev/next links could be a foundation that would work with hardly any effort--it's conceptually simple and exists today.
>
> Effort for authoring, very little, true.  Effort for the RS/UA, a LOT - since it would require opening & parsing every file to find the next links…

I would expect that a reading environment that couldn't construct UX elements from the nav would not go parse every file. If the currently viewed file has prev/next, it's easy to know where to go next without parsing any other document.

Dave
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Received on Thursday, 3 December 2015 16:47:41 UTC

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