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Re: Processor Conformance

From: Chris Lilley <chris@w3.org>
Date: Fri, 25 Aug 2006 09:54:49 +0200
Message-ID: <1962915525.20060825095449@w3.org>
To: "Glenn A. Adams" <gadams@xfsi.com>
Cc: public-tt@w3.org

On Thursday, July 27, 2006, 5:05:01 PM, Glenn wrote:

GAA> Chris,

GAA> Thanks for your comment. The TT WG has reviewed this comment has agreed
GAA> upon the following response:

GAA> The intention is that the presentation processing defined by DFXP that
GAA> extends beyond or differs from XSL 1.0 also be required by a conformant
GAA> presentation processor. That is, a strictly XSL 1.0 conformant formatter
GAA> would not be wholly adequate. The text will be clarified to make this
GAA> intention more clear.

Thank you. This response is satisfactory to me.

GAA> Regards,
GAA> Glenn

GAA> -----Original Message-----
GAA> From: public-tt-request@w3.org [mailto:public-tt-request@w3.org] On
GAA> Behalf Of Chris Lilley
GAA> Sent: Friday, June 02, 2006 11:44 PM
GAA> To: public-tt@w3.org
GAA> Subject: Processor Conformance

GAA> Hello public-tt,

GAA> section 3.2 Processor Conformance states:

GAA>   If the processor claims to support presentation processing in order to
GAA>   produce a rendition of TT AF content on a visual medium, then it must
GAA>   implement the region and line layout semantics defined by 9.3 Region
GAA>   Layout and Presentation and 9.4 Line Layout, respectively. In
GAA>   addition, the processor should satisfy the user agent accessibility
GAA>   guidelines specified by [UAAG].

GAA> section 9.3.2 Synchronic Flow Processing states:

GAA>   for each TT AF style property attribute in some computed style
GAA>   specification set that has no counterpart in [XSL 1.0], map that
GAA>   attribute directly through to the relevant formatting object produced
GAA>   by the input TT AF content element to which the style property
GAA>   applies;

GAA> My question - it is not clear whether an XSL-FO processor which claims
GAA> to be a TTAF- DFXP processor and claims to support presentation
GAA> processing, but does not support any TT AF style properties that are
GAA> not already in XSL 1.0, is a Conformant Processor per 3.2.

GAA> Please clarify. If it would be conformant, are the extra TT AF style
GAA> properties ignored?

 Chris Lilley                    mailto:chris@w3.org
 Interaction Domain Leader
 Co-Chair, W3C SVG Working Group
 W3C Graphics Activity Lead
 Co-Chair, W3C Hypertext CG
Received on Friday, 25 August 2006 07:54:59 UTC

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