W3C home > Mailing lists > Public > public-tt@w3.org > November 2014

Re: [IMSC] Re: IMSC1 WD wide review and CR draft. ( LC-2975 LC-2976 LC-2973 LC-2977 LC-2978 LC-2974 LC-2980 LC-2981 LC-2982)

From: Thierry MICHEL <tmichel@w3.org>
Date: Wed, 19 Nov 2014 09:32:12 +0100
Message-ID: <546C558C.7030705@w3.org>
To: Andreas Tai <tai@irt.de>, W3C Public TTWG <public-tt@w3.org>
Acknowledged and copied to the tt mailing list for archives.
Thanks,

Thierry

On 18/11/2014 20:06, Andreas Tai wrote:
> Dear Thierry ,
>
> I have reviewed the solution  for LC-2979 and agree with it. Thanks for
> addressing my comment.
>
> Best regards,
>
> Andreas
>
> Am 14.11.2014 um 18:35 schrieb Thierry MICHEL:
>> Dear Andreas,
>>
>>
>> Khank for your approval to the TTWG proposal for  ( LC-2975 LC-2976
>> LC-2973  LC-2977 LC-2978 LC-2974 LC-2980 LC-2981 LC-2982)
>>
>>
>> There is one more comment for which you havn't responded
>> - Comment LC-2979
>>
>> https://www.w3.org/2006/02/lc-comments-tracker/34314/WD-ttml-imsc1-20140930/2979?cid=2979
>>
>>
>> Please review it carefully and let us know by email at
>>  public-tt@w3.org?subject=%5Bimsc%5D if you agree with it or not
>> before 20 November 2014.
>>
>> Best regards,
>>
>> Thierry Michel
>>
>>
>>
>>
>> On 14/11/2014 17:38, Andreas Tai wrote:
>>> Dear Thierry,
>>>
>>> I have reviewed the solutions and agree with all of them. Thanks for
>>> addressing my comments.
>>>
>>> Best regards,
>>>
>>> Andreas
>>>
>>> Am 13.11.2014 um 18:54 schrieb tmichel@w3.org:
>>>>   Dear Andreas Tai ,
>>>>
>>>> The Timed Text Working Group has reviewed the comments you sent [1] on
>>>> the
>>>> Last Call Working Draft [2] of the IMSC 1.0 published on 30 Sep 2014.
>>>> Thank
>>>> you for having taken the time to review the document and to send us
>>>> comments!
>>>>
>>>> The Working Group's response to your comment is included below, and has
>>>> been implemented in the new version of the document available at:
>>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html.
>>>>
>>>>
>>>>
>>>> Please review it carefully and let us know by email at
>>>> public-tt@w3.org?subject=%5Bimsc%5D if you agree with it or not
>>>> before 20
>>>> November 2014. In case of disagreement, you are requested to provide a
>>>> specific solution for or a path to a consensus with the Working
>>>> Group. If
>>>> such a consensus cannot be achieved, you will be given the
>>>> opportunity to
>>>> raise a formal objection which will then be reviewed by the Director
>>>> during
>>>> the transition of this document to the next stage in the W3C
>>>> Recommendation
>>>> Track.
>>>>
>>>> Thanks,
>>>>
>>>> For the Timed Text Working Group,
>>>> Thierry Michel
>>>> Philippe Le H├ęgaret
>>>> W3C Staff Contacts
>>>>
>>>>   1. http://www.w3.org/mid/544E278A.9030901@irt.de
>>>>   2. http://www.w3.org/TR/2014/WD-ttml-imsc1-20140930/
>>>>
>>>>
>>>> =====
>>>>
>>>> Your comment on 3. Conformance:
>>>>> ------------------------------
>>>>> 3. Conformance
>>>>> ------------------------------
>>>>> The term "subtitle document" is not defined in IMSC 1 and TTML 1 but
>>>>> used frequently in a normative context. It may be helpful to define it
>>>>> in Section 2.
>>>>
>>>> Working Group Resolution (LC-2975):
>>>> We have replaced the term "subtitle document" with "Document Instance",
>>>> which is a defined term, at
>>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>>
>>>>
>>>>
>>>> ----
>>>>
>>>> Your comment on 4.1 General:
>>>>> ------------------------------
>>>>> 4.1 General
>>>>> ------------------------------
>>>>>   From IMSC 1:
>>>>> "In addition, the Text Profile subtitle document SHOULD be associated
>>>>> with the Image Profile subtitle document such that, when image content
>>>>> is encountered, assistive technologies have access to its
>>>>> corresponding
>>>>>
>>>>> text form."
>>>>>
>>>>> As far as I could see there is no defined method to link a Text
>>>>> profile
>>>>>
>>>>> document to an Image Profile document through an element in the
>>>>> document
>>>>>
>>>>> themselves. So it may helpful to add that his has to be done
>>>>> through an
>>>>>
>>>>> external setting.
>>>>
>>>> Working Group Resolution (LC-2976):
>>>> We have added the sentence "The method by which this association is
>>>> made is
>>>> left to each application" to the revised Section 5.1 at
>>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>>
>>>>
>>>>
>>>> ----
>>>>
>>>> Your comment on 5.2 Foreign Element and Attributes A subtitle document
>>>> MAY...:
>>>>> It would be good to give more emphasis that a presentation processor
>>>>> should not reject a document "with foreign namespace elements or
>>>>> attributes".
>>>>>
>>>>> Examples for possible edits:
>>>>> a) "...*The subtitle document SHALL be processed but* such elements
>>>>> and
>>>>>
>>>>> attributes may be ignored by the presentation processor or
>>>>> transformation processor."
>>>>>
>>>>> b) "A *conforming* subtitle document may contain elements and
>>>>> attributes
>>>>>
>>>>> that are neither specifically permitted nor forbidden by a profile."
>>>>>
>>>>> It may be a good idea to align this paragraph with the section in TTML
>>>>> 5.3.2. As far as I can see it is not explicitly forbidden to use the
>>>>> IMSC namespaces for extensions. So either in IMSC 1 5.3 or somewhere
>>>>> else an additional constraint may be added.
>>>>
>>>> Working Group Resolution (LC-2973):
>>>> We have permitted ("may") elements and attributes that are not
>>>> explicitly
>>>> permitted or prohibited by a profile, and aligned with TTML1 the
>>>> wording
>>>> regarding namespace mutability. See revised Section 6.2 and last
>>>> paragraph
>>>> of Section 6.3 at
>>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>>
>>>>
>>>>
>>>> ----
>>>>
>>>> Your comment on 5.7.3 itts:forcedDisplay itts:forcedDisplay allows the
>>>> proc...:
>>>>> ------------------------------
>>>>> 5.7.3 itts:forcedDisplay - value matrix
>>>>> ------------------------------
>>>>> In general I would welcome a bit more text about the details of value
>>>>> combinations. There is text for "displayForcedMode=true,
>>>>> itts:forcedDisplay=false" but not for "displayForcedMode=true,
>>>>> itts:forcedDisplay=true". Maybe a matrix would be helpful with
>>>>> tts:visibilily (visible, hidden), displayForcedDisplay parameter
>>>>> (true,
>>>>>
>>>>> fase) annd itts:forcedDisplay (true, false).
>>>>>
>>>>> ------------------------------
>>>>> 5.7.3 itts:forcedDisplay - Informative Note
>>>>> ------------------------------
>>>>> The first note could possibly be improved if it is noted that this has
>>>>> an effect only if a "non-transparent background" is directly
>>>>> defined for
>>>>>
>>>>> the region (e.g. in most cases I have seen for the usage of
>>>>> EBU-TT-D the
>>>>>
>>>>> background will be applied through the content elements).
>>>>
>>>> Working Group Resolution (LC-2977):
>>>> See revised second paragraph of Section 6.7.3 and Note 1 at
>>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>>
>>>>
>>>>
>>>> While NOTE 1 might apply only when non-transparent background is used
>>>> on a
>>>> region, the intent of the note is broader: warning authors that making
>>>> all
>>>> elements within a region hidden does not necessarily hide the region.
>>>>
>>>> ----
>>>>
>>>> Your comment on 5.7.4 ittm:altText ittm:altText allows an author to
>>>> provide...:
>>>>> ------------------------------
>>>>> 5.7.4 ittm:altText - Optionality of attributes
>>>>> ------------------------------
>>>>> For the XML Representation you may repeat the part from 2.3 TTML 1
>>>>> where
>>>>>
>>>>> it states that bold-face attribute names are required and the
>>>>> others are
>>>>>
>>>>> optional (personally I would prefer the keyword "REQUIRED" after the
>>>>> attribute name). Without that it may not be clear if the attributes
>>>>> are
>>>>>
>>>>> optional or required.
>>>>>
>>>>>
>>>>> ------------------------------
>>>>> 5.7.4 ittm:altText - Typo
>>>>> ------------------------------
>>>>> End of "Note:": Replace ". ." with "."
>>>>
>>>> Working Group Resolution (LC-2978):
>>>> The specification now explicitly references the documentation
>>>> conventions
>>>> of TTML 1.
>>>>
>>>> See "Documentation Conventions" section and revised Section 5.7.4 at
>>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>>
>>>>
>>>>
>>>> ----
>>>>
>>>> Your comment on 5.10 Features Unless specified otherwise,a subtitle
>>>> documen...:
>>>>> -----------------------------------
>>>>> 5.10 Features (Common features) #length-cell feature
>>>>> -----------------------------------
>>>>> IMSC 1 states that the #length-cell feature shall not be used. The
>>>>> line-padding extension uses the cell metric. Not sure if this causes a
>>>>> problem. On the one hand the extensions are "outside" of TTML 1 on the
>>>>> other hand they use the cell metric as defined by TTML 1.
>>>>>
>>>>> -----------------------------------
>>>>> 5.10 Features (Common features) -#length feature
>>>>> -----------------------------------
>>>>> The #length feature includes the support of the "c" metric
>>>>> (http://www.w3.org/TR/ttml1/#feature-length). So you may add a
>>>>> restriction here.
>>>>
>>>> Working Group Resolution (LC-2974):
>>>> Exception made to #length-cell for ebutts:linePadding. See revised
>>>> #length-cell constraint at
>>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>>
>>>>
>>>>
>>>> ----
>>>>
>>>> Your comment on 6.3 Features:
>>>>> ------------------------------
>>>>> 6.3 Features (Text Profile)
>>>>> ------------------------------
>>>>> #textAlgin: A reference to the definition of the "defaultRegion" in
>>>>> TTML
>>>>>
>>>>> 1 would be helpful. I assume that ony the TTML experts know what the
>>>>> defaultRegion is (e.g. some implementers gave in a TTML document
>>>>> "defaultRegion" as value for xml:id).
>>>>
>>>> Working Group Resolution (LC-2980):
>>>> Default Region is now a defined term at
>>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>>
>>>>
>>>>
>>>> ----
>>>>
>>>> Your comment on 8.2 Reference Fonts:
>>>>> -----------------------------
>>>>> 8.2 Reference Fonts
>>>>> -----------------------------
>>>>> A reference to presentation processors and transformation
>>>>> processors may
>>>>>
>>>>> be helpful. A presentation processor SHALL lay out the text
>>>>> according to
>>>>>
>>>>> the metrics and a transformation processor should use this metrics for
>>>>> any calculation.
>>>>
>>>> Working Group Resolution (LC-2981):
>>>> See clarified text at Section 7.3 at
>>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>>
>>>>
>>>>
>>>> ----
>>>>
>>>> Your comment on B. Forced content (non-normative) Fig. 3
>>>> Illustration of
>>>> th...:
>>>>> ------------------------
>>>>> Annex B Forced Content
>>>>> ------------------------
>>>>> A code example may be an illustrative help for the shown use case.
>>>>
>>>> Working Group Resolution (LC-2982):
>>>> We have added Example 4 at
>>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>>
>>>>
>>>>
>>>> ----
>>>>
>>>>
>>>
>>>
>>
>
>
Received on Wednesday, 19 November 2014 08:32:44 UTC

This archive was generated by hypermail 2.3.1 : Thursday, 5 October 2017 18:24:19 UTC