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[Bug 24129] [WebVTT] Support for bidi

From: <bugzilla@jessica.w3.org>
Date: Thu, 19 Dec 2013 07:09:53 +0000
To: www-international@w3.org
Message-ID: <bug-24129-4285-Vo9xeDaTPt@http.www.w3.org/Bugs/Public/>

--- Comment #1 from Silvia Pfeiffer <silviapfeiffer1@gmail.com> ---
Richard, thanks for doing a i18n review of the WebVTT spec.

Let me first state the obvious: we don't have to worry about old browsers with
WebVTT, because only new browsers support it. Also, we don't actually want to
repeat the full set of HTML bidi markup in WebVTT, but only do as little as
absolutely necessary given that we always have a UTF-8 document.

Given this background, what directional controls are you missing in VTT?

I was under the impression that Unicode covered all features that bidi text
requires, seeing as it is used for much more than just HTML. If people are
capable of creating fully functional bidi documents with using only Unicode, I
don't think we need to replicate any Unicode functionality with duplicated

As for what happens when WebVTT is mapped into HTML for rendering, that may be
a different problem, in particular if some of the Unicode functionality is not
yet fully supported by modern browsers.

In short, can you please help me understand the issues that you're seeing

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