RE: [dita] DITAbase for conversion

[Michael Priestley <mpriestl@ca.ibm.com>]

Hi Rob,

While it is true that the conrefs would
work if an organization switched wholesale from the current constrained
task to a looser model, that's not backwards compatibility - that's saying
that if someone wants to preserve their current reuse strategy they should
throw out their content guidelines. 

Michael Priestley, Senior Technical
Staff Member (STSM)
Lead IBM DITA Architect 
mpriestl@ca.ibm.com
http://dita.xml.org/blog/25

From:	"Rob Hanna" <rob@ascan.ca>
To:	"'ekimber'" <ekimber@reallysi.com>, "'Kristen James Eberlein'" <keberlein@pobox.com>, "'JoAnn Hackos'" <joann.hackos@comtech-serv.com>
Cc:	"'dita'" <dita@lists.oasis-open.org>
Date:	09/23/2009 10:57 AM
Subject:	RE: [dita] DITAbase for conversion

---

I understand the compatibility problems between constrained
and
unconstrained conrefs. It shouldn't present a problem in environments where
DITA 1.1 DTDs are upgraded to DITA 1.2 DTDs with the unconstrained task
model. It is not a backward compatibility issue. Technically, the older
DITA
1.1 task topics will also be unconstrained but be written to resemble the
constrained task model.

Cheers,
Rob

-----Original Message-----
From: ekimber [mailto:ekimber@reallysi.com]
Sent: September 23, 2009 10:28 AM
To: rob@ascan.ca; Kristen James Eberlein; 'JoAnn Hackos'
Cc: dita
Subject: Re: [dita] DITAbase for conversion

On 9/23/09 9:22 AM, "Rob Hanna" <rob@ascan.ca> wrote:

> I'm not sure I understand. If content created in DITA 1.0 and DITA
1.1 are
> compatible with the strict, constrained version of task, they should
also
be
> valid against the looser, unconstrained version as well. I don't see
a
> backward compatibility issue here. Or am I missing something?

A constrained task cannot conref from an unconstrained task.

Conref requires that the conref target be at least as constrained (and
compatibly constrained) as the conref source (that is, the document making
the conref link).

Otherwise, you cannot be assured that the conrefed data is valid in the
using context.

Cheers,

Eliot 

----
Eliot Kimber | Senior Solutions Architect | Really Strategies, Inc.
email:  ekimber@reallysi.com <mailto:ekimber@reallysi.com>
office: 610.631.6770 | cell: 512.554.9368
2570 Boulevard of the Generals | Suite 213 | Audubon, PA 19403
www.reallysi.com
<http://www.reallysi.com>
 | http://blog.reallysi.com
<http://blog.reallysi.com>
| www.rsuitecms.com
<http://www.rsuitecms.com>


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