ISSUE-429: "valid" language tag

"valid" language tag

State:

CLOSED

Product:

webvtt1

Raised by:

Addison Phillips

Opened on:

2015-02-26

Description:

in bugzilla
https://www.w3.org/Bugs/Public/show_bug.cgi?id=28263


http://www.w3.org/TR/webvtt1/#dfn-webvtt-cue-language-span

The description of the cue language span feature reads in part:

--
A WebVTT cue span start tag "lang" that requires an annotation; the annotation represents the language of the following component, and must be a valid BCP 47 language tag. [BCP47]
--

The term 'valid' has specific meaning in BCP 47. It requires that all of the subtags in the tag be registered in the IANA registry (or that the tag itself be one of the grandfathered tags). Is this the intended meaning/requirement here? An alternative would be to require "well-formed" language tags (consistent with the BCP 47 grammar but not necessarily consisting of valid subtags).

There is nothing wrong with requiring validity, please note. Only that this is a higher standard than may be supposed by the spec author.

Related Actions Items:

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Related emails:

1. Weekly github digest (Tracker items) (from sysbot+gh@w3.org on 2020-04-01)
2. Daily github digest (WG INTERNAL review issues) (from sysbot+gh@w3.org on 2020-03-27)
3. Daily github digest (WG INTERNAL review issues) (from sysbot+gh@w3.org on 2019-09-13)
4. Issues for review during tomorrow's telecon (from ishida@w3.org on 2017-10-04)
5. FOR REVIEW: pending and close items for Thursday (from ishida@w3.org on 2017-09-25)
6. FOR REVIEW before next Thursday. (from ishida@w3.org on 2017-09-15)
7. Please review before next telecon: Pending and close? items (from ishida@w3.org on 2017-09-08)
8. Please review! Pending and close? items for next week's telecon (from ishida@w3.org on 2017-09-01)
9. [Bug 28263] [webvtt] "valid" language tags [I18N-ISSUE-429] (from bugzilla@jessica.w3.org on 2016-10-11)
10. [Bug 28263] [webvtt] "valid" language tags [I18N-ISSUE-429] (from bugzilla@jessica.w3.org on 2015-10-30)
11. [Bug 28263] [webvtt] "valid" language tags [I18N-ISSUE-429] (from bugzilla@jessica.w3.org on 2015-06-01)
12. [Bug 28263] [webvtt] "valid" language tags [I18N-ISSUE-429] (from bugzilla@jessica.w3.org on 2015-06-01)
13. [Bug 28263] [webvtt] "valid" language tags [I18N-ISSUE-429] (from bugzilla@jessica.w3.org on 2015-03-25)
14. [Bug 28263] [webvtt] "valid" language tags [I18N-ISSUE-429] (from bugzilla@jessica.w3.org on 2015-03-24)
15. [Bug 28263] [webvtt] "valid" language tags [I18N-ISSUE-429] (from bugzilla@jessica.w3.org on 2015-03-24)
16. [Bug 28263] [webvtt] "valid" language tags [I18N-ISSUE-429] (from bugzilla@jessica.w3.org on 2015-03-24)
17. Re: [webvtt] "valid" language tags [I18N-ISSUE-429] (from silviapfeiffer1@gmail.com on 2015-03-22)
18. [webvtt] "valid" language tags [I18N-ISSUE-429] (from addison@lab126.com on 2015-03-20)
19. [minutes] Internationalization WG telecon 2015-03-19 (from ishida@w3.org on 2015-03-19)
20. I18N-ISSUE-429: "valid" language tag ⓟ [WebVTT] (from sysbot+tracker@w3.org on 2015-02-26)

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