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Comment LC-1923

Comment Shortname:

Commenter: Al Gilman <Alfred.S.Gilman@IEEE.org>

Message-id:

Section of the document concerned:

[Free text description]Document as a wholeSMIL Timesheets 1.0 W3C Working Draft 10 January 2008 Abstract Abstract Status of this document Status of this document Table of contents 1 Introduction 1 Introduction 1.1 Motivation 1.1 Motivation 1.2 Design Rationale 1.2 Design Rationale 1.3 Structure of the Document 1.3 Structure of the Document 2 Overview 2 Overview 3 SMIL Timesheets Basic Concepts 3 SMIL Timesheets Basic Concepts 3.1 Timing and Synchronization 3.1 Timing and Synchronization Figure 1: Timeline of a Timesheets 3.2 Selection Mechanism 3.2 Selection Mechanism Figure 1: Item Selection Process for Nested Items 3.3 Event Model 3.3 Event Model 3.4 Index Functionality 3.4 Index Functionality 4 SMIL Timesheet Specific Elements 4 SMIL Timesheet Specific Elements 4.1 The timesheet element 4.1 The timesheet element Element Attributes Element Attributes The src Attribute The src Attribute The media Attribute The media Attribute Element Content Element Content 4.2 The item element 4.2 The item element Element Attributes Element Attributes The select Attribute The select Attribute The beginInc Attribute The beginInc Attribute Element Functions Element Functions The Index() Function The Index() Function Element Content Element Content 5 SMIL Timing and Synchronization Elements 5 SMIL Timing and Synchronization Elements 5.1 Attributes 5.1 Attributes The begin Attribute The begin Attribute The dur Attribute The dur Attribute The end Attribute The end Attribute The fill Attribute The fill Attribute The endsync Attribute The endsync Attribute The repeatCount Attribute The repeatCount Attribute The repeatDur Attribute The repeatDur Attribute The first Attribute The first Attribute The prev Attribute The prev Attribute The next Attribute The next Attribute The last Attribute The last Attribute 5.2 Elements 5.2 Elements The par Element The par Element The seq Element The seq Element The excl Element The excl Element 6 Prefetch 6 Prefetch 6.1 Attributes 6.1 Attributes The mediaSize Attribute The mediaSize Attribute The mediaTime Attribute The mediaTime Attribute The bandwidth Attribute The bandwidth Attribute 6.2 Elements 6.2 Elements The prefetch Element The prefetch Element 7 Animation 7 Animation 7.1 Attributes 7.1 Attributes The attributeName Attribute The attributeName Attribute The attributeType Attribute The attributeType Attribute The values Attribute The values Attribute The from Attribute The from Attribute The to Attribute The to Attribute The by Attribute The by Attribute The calcMode Attribute The calcMode Attribute The accumulate Attribute The accumulate Attribute The additive Attribute The additive Attribute The origin Attribute The origin Attribute 7.2 Elements 7.2 Elements The animate Element The animate Element The set Element The set Element The animateMotion Element The animateMotion Element The animateColor Element The animateColor Element 7 Event Model 7 Event Model Internal Events Internal Events User Events User Events Event Semantics Event Semantics Index Function Index Function 8 Integration with CSS Layout 8 Integration with CSS Layout Appendix A. References Appendix A. References E.1 Normative References E.1 Normative References [CSS2] E.2 Informative References E.2 Informative References [DOM2Events] [SMIL30] [SVG] [TimesheetsTutorial] [XForms] [XHTML] [XHTMLplusSMIL] Appendix B. Acknowledgements Appendix B. Acknowledgements
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Refinement of the section concerned:

Status:

open proposal pending resolved_yes resolved_no resolved_partial other assigned to Nobody

Type: substantive editorial typo question general comment undefined

Comment:

<note
class="inTransmittal">

The following is a consensus comment on the SMIL Timesheets
Last Call from PFWG.

Al
/chair, PFWG
http://www.w3.org/WAI/PF
</note>

The Protocols & Formats group, having reviewed SMIL Timesheets, has the
following comments for the SYMM WG:

1. The PFWG believes the timesheet model to be an extremely elegant
engineering solution, as it allows for user control over timing (pause,
stop, replay, rewind, fast forward, slow rate of play, accelerate
rate of
play, etc.) through a user timesheet. Thus a user can
exercise control over the author-defined timing. The UA or an assistive
plugin wizard can help the user to manage the timing settings.

2. SMIL Timesheets provides a mechanism for timing control. This
mechanism allows for user adjustment of the timing. This adjustment
is an
important requirement for access to interaction by People With
Disabilities. Therefore, the PFWG would like the HCG to foster the
reuse of the mechanism in SMIL Timesheets, or -- at the very least --
ensure that the personalization capabilities are not lost as other
formats implement timing control.

3. The PFWG also recommends and supports the adoption of the SMIL
Timesheet model in XHTML2, XHTML 1.1, and XHTML Modularizations.

In sum, the PFWG is intrigued and interested in the accessibility and
user-control aspects of timesheets. Because of this, and the importance
to the user-experience over control of timing cues and rates, the PFWG
approves of the timesheets model and shall follow the development of
SMIL
Timesheets closely and with great interest, and anticipates cooperating
with the editors and working group in order to ensure that the
accessibility and user-control offered by the SMIL Timesheets model is
realized.

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