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Subject: Re: [dita] Conditional processing with the @rev attribute
From: | Kristen James Eberlein <kris@eberleinconsulting.com> |
To: | dita@lists.oasis-open.org |
Date: | 07/15/2010 09:56 PM |
Subject: | Re: [dita] Conditional processing with the @rev attribute |
Hi everyone,
As far as I know, the @rev attribute has always been included in the list of conditional processing attributes (http://docs.oasis-open.org/dita/v1.1/CD02/archspec/condproc.html). I don’t know of anything in the DITA 1.1 spec that says that it should be processed differently from the other conditional processing attributes.
However, AFAIK the Open Toolkit ignores DITAVAL statements to exclude content based on @rev, and a recent statement from Michael was that “rev cannot be used for filtering”: http://tech.groups.yahoo.com/group/dita-users/message/17821 . It’s not clear to me whether Michael’s statement is a statement of how the OT currently behaves or if it’s a statement of how the OT should behave.
The draft DITA 1.2 spec deepens my confusion. It says, “DITA defines five attributes that are specifically intended to enable filtering or flagging of individual elements. Those attributes are @audience, @platform, @product, @otherprops, and @props.” But then a few paragraphs later under a section titled “Conditional processing attributes” it lists six attributes including @rev.
So is @rev a conditional processing attribute or not? What is our expectation from processors?
a) Processors should filter based on @rev if instructed to do so by the DITAVAL file
b) Processors may choose to filter based on @rev if instructed to do so by the DITAVAL file
c) Processors must never filter based on @rev regardless of what the DITAVAL file says
In my opinion, the wording of the DITA 1.1 spec indicates option A or B, so we can’t change the expected behaviour to C without breaking backwards-compatibility.
Su-Laine
Su-Laine Yeo
Solutions Consultant
JustSystems Canada, Inc.
Office: 778-327-6356
syeo@justsystems.com
XMetaL Community Forums: http://forums.xmetal.com/
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