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Subject: Re: [dita] attribute extensibility - summary
Hi, Dana and Paul:
That seems reasonable to me (thought at this point, I suspect that many of us are close to trading a spare kidney at this point to close out DITA 1.1). Thanks, Erik Hennum ehennum@us.ibm.com PS. I think a mail agent may have inserted a small image at the start of mail header, which gets carried forward in the replies. Dana Spradley <dana.spradley@oracle.com>
You mean drop the general attribute from the proposal, and limit the scope to just the props attribute used for conditional attribute specialization in the hierachical method proposed? Yes, I could agree to that - provided it included some assurance from all the other people working on this issue that they have no objection in principle to the notion of attribute addition Erik's paper suggests, and would support an attempt to include such an enhancement in 1.2 or 1.3. I do have another question though: Erik's last message came in with a gif attachment, and now yours has, filename ATT2282822.gif. I haven't opened either attachment. Do you guys have a virus or something? --Dana Paul Prescod wrote:
Would it be sufficient right now for us to publically document what the current proposal is NOT for, and in particular that it is NOT designed for adding arbitrary attributes to specialized elements? This is a use case that we all agree will not be handled and is therefore deferred until we have a design and use cases. It would be great to sieze a moment of consensus if such does in fact exist. From: Dana Spradley [mailto:dana.spradley@oracle.com] Sent: Thursday, April 27, 2006 2:23 PM To: dita@lists.oasis-open.org Subject: Re: [dita] attribute extensibility - summary I'm sorry, but this really does seem like low-hanging fruit to me. What's the point of putting the general attribute in now and support roundtripping through that, if we could do this instead? We're not talking about attribute specialization here, but mere attribute addition. If we're not doing it now, I'd like to see it in 1.2 - and to see it done right, I'd like to take the leadership of this enhancement myself. In return, I would remove my objections to what you're doing with conditional attribute specialization - since now I can see it in context as a very targeted solution for a particular kind of universal attribute, and not as a stalking horse for requiring every added attribute to submit to some kind of specialization rubric. --Dana Erik Hennum wrote:
About Item 2, I hasten to note that the proposal for extension by addition for properties is a potential direction rather than something that's ready for implementation. For example, we will need to think through the implications of hiding and restoring additions during roundtripping to the general form and back to the specialized form. We will want to think through that problem along with other potential enhancements of the capabilities of specialization. I'm confident that, given the minds involved in the DITA Technical Committee, we will be able to solve those issues, but even I would agree that they are out of scope for DITA 1.1 My intent with the posting was to suggest in a more concrete way that we can build on attribute specialization to much greater capability later on -- not to add more to the DITA 1.1 plate. I'm sorry if I didn't make that clear. Thanks, Erik Hennum ehennum@us.ibm.com "Esrig, Bruce (Bruce)" <esrig@lucent.com>
I thought that was the strength of it ... no action items! I thought I was clearing away side issues, leaving the following: Item 1. Michael's proposal Item 2. An alternate proposal, yet to be named (see next paragraph) Item 2. Now that Dana Spradley has extracted the attribute extension thoughts from Erik's "Extreme" paper, we seem to have two viable approaches on the table. I had not realized that specialization of an element could both - restrict the content - add attributes So we'll need to look at that. Bruce |
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