Need to add sgn-* to common/supplemental/supplementalMetadata.xml

Description

spin off from https://unicode-org.atlassian.net/browse/ICU-21115

The following sgn-* should be added into https://github.com/unicode-org/cldr/blob/master/common/supplemental/supplementalMetadata.xml

(these are already in ICU coded as REDUNDANT in https://github.com/unicode-org/icu/blob/master/icu4c/source/common/uloc_tag.cpp#L153

From https://www.iana.org/assignments/language-subtag-registry/language-subtag-registry

Type: redundant
Tag: sgn-BR
Description: Brazilian Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: bzs
%%
Type: redundant
Tag: sgn-CO
Description: Colombian Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: csn
%%
Type: redundant
Tag: sgn-DE
Description: German Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: gsg
%%
Type: redundant
Tag: sgn-DK
Description: Danish Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: dsl
%%
Type: redundant
Tag: sgn-ES
Description: Spanish Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: ssp
%%
Type: redundant
Tag: sgn-FR
Description: French Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: fsl
%%
Type: redundant
Tag: sgn-GB
Description: British Sign Language
Added: 2001-03-02
Deprecated: 2009-07-29
Preferred-Value: bfi
%%
Type: redundant
Tag: sgn-GR
Description: Greek Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: gss
%%
Type: redundant
Tag: sgn-IE
Description: Irish Sign Language
Added: 2001-03-02
Deprecated: 2009-07-29
Preferred-Value: isg
%%
Type: redundant
Tag: sgn-IT
Description: Italian Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: ise
%%
Type: redundant
Tag: sgn-JP
Description: Japanese Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: jsl
%%
Type: redundant
Tag: sgn-MX
Description: Mexican Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: mfs
%%
Type: redundant
Tag: sgn-NI
Description: Nicaraguan Sign Language
Added: 2001-03-02
Deprecated: 2009-07-29
Preferred-Value: ncs
%%
Type: redundant
Tag: sgn-NL
Description: Dutch Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: dse
%%
Type: redundant
Tag: sgn-NO
Description: Norwegian Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: nsl
%%
Type: redundant
Tag: sgn-PT
Description: Portuguese Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: psr
%%
Type: redundant
Tag: sgn-SE
Description: Swedish Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: swl
%%
Type: redundant
Tag: sgn-US
Description: American Sign Language
Added: 2001-03-02
Deprecated: 2009-07-29
Preferred-Value: ase
%%
Type: redundant
Tag: sgn-ZA
Description: South African Sign Language
Added: 2001-11-11
Deprecated: 2009-07-29
Preferred-Value: sfs

xpath

None

locale

None

Assignee

Unassigned

Reporter

Frank Yung-Fong Tang

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Priority

TBD
Configure