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[webvtt] zero or more characters? [I18N-ISSUE-426]

From: Phillips, Addison <addison@lab126.com>
Date: Fri, 20 Mar 2015 20:27:25 +0000
To: "public-tt@w3.org" <public-tt@w3.org>
CC: "public-i18n-core@w3.org" <public-i18n-core@w3.org>
Message-ID: <7C0AF84C6D560544A17DDDEB68A9DFB52ECB5B15@ex10-mbx-9007.ant.amazon.com>
I18N comment: https://www.w3.org/International/track/issues/426


A number of tokens are described as being a sequence of "zero or more" of something. Here are a few examples:

A WebVTT cue settings list consist of a sequence of zero or more WebVTT cue settings in any order, separated from each other by one or more U+0020 SPACE characters
A WebVTT cue setting name and a WebVTT cue setting value each consist of any sequence of zero or more characters other than U+000A LINE FEED (LF) characters and U+000D CARRIAGE RETURN (CR) characters except that the entire resulting string must not contain the substring "-->" (U+002D HYPHEN-MINUS, U+002D HYPHEN-MINUS, U+003E GREATER-THAN SIGN).

A zero-length string seems problematic, since each space character can be considered to separate one such zero-length entity. Should these be reconsidered to be "one or more..."?

Addison Phillips
Globalization Architect (Amazon Lab126)
Chair (W3C I18N WG)

Internationalization is not a feature.
It is an architecture.

Received on Friday, 20 March 2015 20:27:52 UTC

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