Consistently use parentheses in Chinese-script autonyms (#148)

Addresses #141.

Co-authored-by: Kartik Mistry <kartikm@users.noreply.github.com>

data/langdb.yaml

@@ -104,7 +104,7 @@ languages:
  # FIXME cdo will be modified later to split to Latin and Chinese more cleanly
   cdo: [Latn, [AS], Mìng-dĕ̤ng-ngṳ̄]
   cdo-latn: [Latn, [AS], Mìng-dĕ̤ng-ngṳ̄ Bàng-uâ-cê]
-  cdo-hani: [Hani, [AS], 閩東語漢字]
+  cdo-hani: [Hani, [AS], 閩東語（漢字）]
   ce: [Cyrl, [EU], нохчийн]
   ceb: [Latn, [AS], Cebuano]
   ch: [Latn, [PA], Chamoru]
@@ -121,7 +121,7 @@ languages:
   chy: [Latn, [AM], Tsetsêhestâhese]
   ciw: [Latn, [AM], Ojibwemowin]
   cjy: [cjy-hant]
-  cjy-hans: [Hans, [AS], 晋语（简化字)]
+  cjy-hans: [Hans, [AS], 晋语（简化字）]
   cjy-hant: [Hant, [AS], 晉語]
   ckb: [Arab, [ME], کوردی]
   ckt: [Cyrl, [AS], ԓыгъоравэтԓьэн]

data/language-data.json

@@ -652,7 +652,7 @@
             [
                 "AS"
             ],
-            "閩東語漢字"
+            "閩東語（漢字）"
         ],
         "ce": [
             "Cyrl",
@@ -721,7 +721,7 @@
             [
                 "AS"
             ],
-            "晋语（简化字)"
+            "晋语（简化字）"
         ],
         "cjy-hant": [
             "Hant",

tests/js/index.js

@@ -110,7 +110,8 @@ describe( 'languagedata', function () {
 	} );
 
 	it( 'autonyms', function () {
-		var autonyms;
+		var autonyms, chineseScriptLanguages, i,
+			languagesWithParentheses = [];
 		// Add a language in run time.
 		// This is done early to make sure that it doesn't break other functions.
 		languageData.addLanguage( 'qqq', {
@@ -130,6 +131,14 @@ describe( 'languagedata', function () {
 		assert.deepEqual( [ 'de', 'fi', 'gn', 'hu' ].sort( languageData.sortByAutonym ), [
 			'gn', 'de', 'hu', 'fi'
 		], 'Languages are correctly sorted by autonym' );
+
+		chineseScriptLanguages = languageData.getLanguagesInScripts( [ 'Hans', 'Hant', 'Hani' ] );
+		for ( i = 0; i < chineseScriptLanguages.length; ++i ) {
+			if ( languageData.getAutonym( chineseScriptLanguages[i] ).match( /[()]/ ) ) {
+				languagesWithParentheses.push( chineseScriptLanguages[i] );
+			}
+		}
+		assert.deepEqual( languagesWithParentheses, [], 'Chinese script languages\' autonyms don\'t have Western parentheses' );
 	} );
 	it( 'regions and groups', function () {
 		var languagesAM;