Re: Status update re: TTML2 issue #1043 and a proposed test for "applies to"

Hi Nigel,

As explained at [1], I am happy with the current approach. I also
think it applies to additional style properties.

[1] https://github.com/w3c/ttml2/pull/1101#issuecomment-507939651

Best,

-- Pierre

On Mon, Jun 24, 2019 at 3:05 AM Nigel Megitt <nigel.megitt@bbc.co.uk> wrote:
>
> Hi Pierre,
>
> I appreciate the goal of trying to get to a conclusion on this.
>
> > _a style property applies to an element if modifying the actual value
> of the style property on the element results in a change in rendering_
>
> This is a definition of a _description_ - adopting it would mean that we
> could make ³Applies to² informative everywhere it appears, but that is not
> the purpose of the row in the table; rather it is a _specification_.
>
> I thought we already agreed to use the CSS definition.
>
> Noting for completion and for reference later, I¹ve also made a comment at
> https://github.com/w3c/ttml2/pull/1101#issuecomment-504926602
>
> Kind regards,
>
> Nigel
>
>
> On 23/06/2019, 08:35, "Pierre-Anthony Lemieux" <pal@sandflow.com> wrote:
>
> >Good morning/evening,
> >
> >Quick update re: TTML2 issue #1043 before I become near incommunicado
> >for a week.
> >
> >I have approved the following pull requests, which, while they do not
> >resolve #1043, seem to provide valuable clarifications: #1087 (Clarify
> >text combine application), #1085 (Clarify application of font
> >variant), #1083 (Clarify application of font selection strategy),
> >#1081 (Clarify text emphasis application), #1079 (Clarify text
> >decoration application).
> >
> >There has been some progress re: #1043 (see thread at PR #1101) but
> >uncertainty remains on the meaning of "applies to" -- this uncertainty
> >is at the root of #1043 (and #1090 and #1091). For instance, does
> >tts:color apply to ruby container span even though a ruby container
> >span has no text nodes that tts:color can impact?
> >
> >As a result, I think more work is needed before PR #1089, #1092, #1093
> >and #1101 can be disposed of.
> >
> >In the spirit of making progress and brainstorming, I suggest we
> >explore clarifying the meaning of "applies to" using the following
> >simple test:
> >
> >_a style property applies to an element if modifying the actual value
> >of the style property on the element results in a change in rendering_
> >
> >Looking forward to your feedback, to the discussion and to closing the
> >issue.
> >
> >Best,
> >
> >-- Pierre
> >
>

Received on Wednesday, 3 July 2019 05:11:40 UTC