Re: [docbook-apps] EPUB3: missing some meta data

["Bob Stayton" <bobs@sagehill.net>]

Hi Keith,
This description is backwards compatibility of the epub 3 reader, that it should be 
able to handle epub 2 documents.  That is useful, must mostly of interest to creators 
of epub3 reader software.

I was also wondering about backwards compatibility of the epub 3 files.  That is, 
would an epub3 file work with an epub2 reader?  Certainly adding the dc:* elements as 
you suggested is a step in that direction, but of course any new epub3 features would 
not work on an epub2 reader that knows nothing of them.  Since epub 3 readers are 
still in development (because the epub 3 spec is not finalized), people will be trying 
to reader their new epub3 docs on epub2 readers.  Are there other things that can be 
done to the epub3 files to make that experience more satisfying?

Bob Stayton
Sagehill Enterprises
bobs@sagehill.net


----- Original Message ----- 
From: "Keith Fahlgren" <abdelazer@gmail.com>
To: "davep" <davep@dpawson.co.uk>
Cc: <docbook-apps@lists.oasis-open.org>
Sent: Monday, September 26, 2011 12:05 PM
Subject: Re: [docbook-apps] EPUB3: missing some meta data


> http://idpf.org/epub/30/spec/epub30-publications.html#confreq-rs-backward-epub2
>
> On Mon, Sep 26, 2011 at 12:15 AM, davep <davep@dpawson.co.uk> wrote:
> > On 09/25/2011 09:47 PM, Keith Fahlgren wrote:
> > > Hi,
> > >
> > > You can include the (somewhat deprecated) DCMES versions as well:
> > >
> > > http://idpf.org/epub/30/spec/epub30-publications.html#sec-opf-dcmes-optional
> > >
> > > This (duplication) will help older EPUB 2 reading systems (and should
> > > probably be controlled with a parameter).
> > >
> > >
> > > Regards,
> > > Keith
> >
> > What's the situation wrt backwards compatibility Keith?
> > Is epub 3 'required' to be backwards compatible with 2.0?
> > Any ideas?
> >
> > regards
> >
> >
> > regards
> >
> > --
> > Dave Pawson
> > XSLT XSL-FO FAQ.
> > http://www.dpawson.co.uk
> >
> >
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