Phillipe is owner of this implementation. But my understanding is it is considered a correct implementation, I don't know that he has written any documentation. From: Maciej Stachowiak [mailto:mjs@apple.com] Sent: 25 March 2010 17:48 To: Sean Hayes Cc: Eric Carlson; Silvia Pfeiffer; Geoff Freed; HTML Accessibility Task Force; Matt May Subject: Re: Requirements for external text alternatives for audio/video On Mar 25, 2010, at 10:21 AM, Sean Hayes wrote: The semantics of TTML is specified in terms of XSL:FO, it does not require an XSL:FO implementation. The majority of the style features in TTML are already found in CSS. The W3C has an implementation of TTML based on conversion into HTML & CSS. Is it a correct implementation? How well does the XSL:FO formatting model map to CSS? Is there any documentation (even informative) on implementing TTML/DFXP using a CSS formatter? Regards, Maciej From: public-html-a11y-request@w3.org<mailto:public-html-a11y-request@w3.org> [mailto:public-html-a11y-request@w3.org] On Behalf Of Eric Carlson Sent: 25 March 2010 15:46 To: Silvia Pfeiffer Cc: Geoff Freed; HTML Accessibility Task Force; Matt May Subject: Re: Requirements for external text alternatives for audio/video On Mar 24, 2010, at 9:29 PM, Silvia Pfeiffer wrote: In summary - I would suggest keeping the File Format requirement at http://www.w3.org/WAI/PF/HTML/wiki/Media_TextAssociations#File_Formats with supporting both, srt and dfxp (or ttml as Sean clarified). What DFXP profile are you suggesting we mandate? As Maciej noted [1], even the presentation profile requires XSL-FO. Does anyone actually think it is reasonable to require a UA to implement this substantial spec just to style captions? eric [1] - http://lists.w3.org/Archives/Public/public-html-a11y/2010Mar/0103.htmlReceived on Thursday, 25 March 2010 18:02:56 UTC
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