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lineHeight inheritance clarifications in TTML1 + agenda

From: Pierre-Anthony Lemieux <pal@sandflow.com>
Date: Wed, 13 Dec 2017 10:28:49 -0800
Message-ID: <CAF_7JxBjDa5eftjF0wwEHgDJnn2B04vgOYLa7-i1fOtoNHAt5w@mail.gmail.com>
To: TTWG <public-tt@w3.org>
Hi all,

I have revised PR #260 [1] in light of the feedback received. As
discussed at [2], my objective was to:

- minimize changes in general, and avoid introducing extensive
additional semantics [ed.: a more elegant but invasive solution is
probably possible in TTML2.]

- match the approach taken with tts:textDecoration for specifying
special inheritance semantics

- match the XSL approach, which notes in the definition of
line-height: "the computed value of the property is this number
multiplied by the element's font size. [...] However, the number, not
the computed value, is inherited."

I suggest adding this topic to the agenda for tomorrow's call.

Best,

-- Pierre

[1] https://github.com/w3c/ttml1/pull/260
[2] https://github.com/w3c/ttml1/pull/260#issuecomment-351478400
Received on Wednesday, 13 December 2017 18:29:36 UTC

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