Can I translate rECLD/LocalNames/LocalNamesEn.php to LocalNamesZh_hans.php?
Well I'm saying this file. Afaik those names are not in official CLDR survey tool, but also shown on Incubator when using zh-hans as interface language.
<?php
$languageNames = [
/* Not in CLDR 27.0.1. Balochi language
* https://www.ethnologue.com/language/bcc
* Added 2008-07-02.
*/
'bcc' => '南俾路支语',
/* Not in CLDR 27.0.1. Eastern Balochi language
* http://www.ethnologue.com/language/bgp
*/
'bgp' => '东俾路支语',
/* Not in CLDR 27.0.1. Western Cham language
* https://www.ethnologue.com/language/cja
*/
'cja' => '西占语',
'cja-cham' => '西占语（占文）',
'cja-latn' => '西占语（拉丁文）',
'cja-arab' => '西占语（阿拉伯文）',
/* Not in CLDR 27.0.1. Eastern Cham language
* https://www.ethnologue.com/language/cjm
*/
'cjm' => '东占语',
'cjm-cham' => '东占语（占文）',
'cjm-latn' => '东占语（拉丁文）',
'cjm-arab' => '东占语（阿拉伯文）',
/* Not in CLDR 27.0.1. Jinyu language
* https://www.ethnologue.com/language/cjy
*/
'cjy' => '晋语',
'cjy-hans' => '晋语（简体）',
'cjy-hant' => '晋语（繁体）',
/* Not in CLDR 27.0.1. Swedish language
* https://www.ethnologue.com/language/dlc
* Added 2008-02-16.
*/
'dlc' => '达拉纳语',
/* Not in CLDR 27.0.1. Romance language.
* https://www.ethnologue.com/language/eml
* Added 2008-01-17.
*/
'eml' => '艾米利亚-罗马涅语',
/* Not in CLDR 27.0.1. Konkani language
* https://www.ethnologue.com/language/gom
* Added 2008-09-02.
*/
'gom-deva' => '果阿孔卡尼语（天成文）',
'gom-latn' => '果阿孔卡尼语（拉丁文）',
/* Not in CLDR 27.0.1. Maharashtrian Konkani language
* https://www.ethnologue.com/language/knn
*/
'knn' => '马哈拉施特拉孔卡尼语',
/* Not in CLDR 27.0.1. Laki language
* https://www.ethnologue.com/language/lki
*/
'lki' => '拉科语',
/* Not in CLDR 27.0.1. Southern Luri language
* https://www.ethnologue.com/language/luz
*/
'luz' => '南卢尔语',
/* Not in CLDR 27.0.1. Mari language
* https://www.ethnologue.com/language/mhr
* Added 2008-05-22.
*/
'mhr' => '东马里语',
/* Not in CLDR 27.0.1. Malay language
* https://www.ethnologue.com/language/mui
* Added 2010-02-11.
*/
'mui' => '巨港马来语',
/* Not in CLDR 27.0.1. Livvi-Karelian language
* https://www.ethnologue.com/language/olo
*/
'olo' => '李维-卡累利阿语',
/* Not in CLDR 27.0.1. Lahnda language.
* https://www.ethnologue.com/language/pnb
* Added 2008-10-29.
*/
'pnb' => '西旁遮普语',
/* Not in CLDR 27.0.1. Dari language.
* https://www.ethnologue.com/language/prs
*/
'prs' => '达利语',
/* Not in CLDR 27.0.1. Eastern Romance language.
* https://www.ethnologue.com/language/ruq
* Added 2008-02-04.
*/
'ruq' => '梅戈来诺-罗马尼亚语',
'ruq-cyrl' => '梅戈来诺-罗马尼亚语（西里尔文）',
'ruq-grek' => '梅戈来诺-罗马尼亚语（希腊文）',
'ruq-latn' => '梅戈来诺-罗马尼亚语（拉丁文）',
/* Not in CLDR 27.0.1. Shawiya language
* https://www.ethnologue.com/language/shy
*/
'shy' => '沙维雅语',
'shy-arab' => '沙维雅语（阿拉伯文）',
'shy-latn' => '沙维雅语（拉丁文）',
'shy-tfng' => '沙维雅语（提非纳文）',
/* Not in CLDR 27.0.1. Used for MediaWiki localisation
*/
'bat-smg' => '萨莫吉提亚语',
'be-tarask' => '白俄罗斯语（传统正写法）',
'cdo' => '闽东语',
'crh-cyrl' => '克里米亚鞑靼语（西里尔文）',
'crh-latn' => '克里米亚鞑靼语（拉丁文）',
'de-formal' => '德语（正式用法）',
'gan-hans' => '赣语（简体）',
'gan-hant' => '赣语（繁体）',
'hif-latn' => '斐济印地语（拉丁文）',
'ike-cans' => '东加拿大语（音节文字）',
'ike-latn' => '东加拿大语（拉丁文）',
'kk-cn' => '哈萨克语（中国）',
'kk-kz' => '哈萨克语（哈萨克斯坦）',
'kk-tr' => '哈萨克语（土耳其）',
'kk-arab' => '哈萨克语（阿拉伯文）',
'kk-cyrl' => '哈萨克语（西里尔文）',
'kk-latn' => '哈萨克语（拉丁文）',
'ks-arab' => '克什米尔语（阿拉伯文）',
'ks-deva' => '克什米尔语（天成文）',
'ku-latn' => '库尔德语（拉丁文）',
'roa-rup' => '阿罗马尼亚语语',
'sr-ec' => '塞尔维亚语（西里尔文）',
'sr-el' => '塞尔维亚语（拉丁文）',
'tg-cyrl' => '塔吉克语（西里尔文）',
'tg-latn' => '塔吉克语（拉丁文）',
'tt-cyrl' => '鞑靼语（西里尔文）',
'tt-latn' => '鞑靼语（拉丁文）',
'ug-arab' => '维吾尔语（阿拉伯文）',
'ug-latn' => '维吾尔语（拉丁文）',
'ydd' => '东意第绪语',
'zh-classical' => '文言文',
'zh-cn' => '中文（中国大陆）',
'zh-hk' => '中文（香港）',
'zh-min-nan' => '闽南语',
'zh-sg' => '中文（新加坡）',
'zh-tw' => '中文（台湾）',
'zh-yue' => '粤语', # language redirect
];
My thread seems ignored by the entire world...
I also want to translate this. It turns out that LocalNamesDe.php etc is not pulled from translatewiki, so let's hop to phab.
Crowley666 (talk)