Add keyboard support for Khiamniungan Naga (kix)

rules/kix/kix-tilde.js

@@ -0,0 +1,26 @@
+( function ( $ ) {
+	'use strict';
+
+	var kixTilde = {
+		id: 'kix-tilde',
+		name: 'Khiamniungan tilde',
+		description: 'Khiamniungan Naga input keyboard',
+		date: '2026-07-22',
+		URL: 'https://github.com/wikimedia/jquery.ime',
+		author: 'Toluwanimi Ayodele',
+		license: 'GPLv3',
+		version: '1.0',
+		maxKeyLength: 3,
+		patterns: [
+			[ '~u', 'ü' ],          // U+00FC
+			[ '~U', 'Ü' ],          // U+00DC
+			[ '~\\\\', '\u0300' ],  // grave
+			[ '~-', '\u0304' ],     // macron
+			[ '~\\^', '\u0302' ],   // circumflex
+			[ '~/', '\u0301' ]      // acute
+		]
+	};
+
+	$.ime.register( kixTilde );
+}( jQuery ) );
+

src/jquery.ime.inputmethods.js

@@ -536,6 +536,10 @@
 			name: 'Gĩkũyũ',
 			source: 'rules/ki/ki-tilde.js'
 		},
+		'kix-tilde': {
+			name: 'Khiamniungan tilde',
+			source: 'rules/kix/kix-tilde.js'
+		},
 		'kk-arabic': {
 			name: 'Kazakh Arabic transliteration',
 			source: 'rules/kk/kk-arabic.js'
@@ -1526,6 +1530,10 @@
 			autonym: 'Gĩkũyũ',
 			inputmethods: [ 'ki-tilde' ]
 		},
+		kix: {
+			autonym: 'Khiamniungan',
+			inputmethods: [ 'kix-tilde' ]
+		},
 		kk: {
 			autonym: 'Қазақша',
 			inputmethods: [ 'kk-kbd', 'kk-arabic' ]

test/jquery.ime.test.fixtures.js

@@ -4221,6 +4221,53 @@ var palochkaVariants = {
 			{ input: 'd~ha', output: 'ದ್ಹ', description: 'd~ha for ದ್ಹ in Kannada transliteration' }
 		]
 	},
+	{
+		description: 'Khiamniungan Naga tilde test',
+		inputmethod: 'kix-tilde',
+		tests: [
+			// Group 1: a, e, i × 4 tones (unchanged – passes)
+			{
+				input: 'a~\\a~-a~^a~/e~\\e~-e~^e~/i~\\i~-i~^i~/',
+				output: 'àāâáèēêéìīîí',
+				description: 'a/e/i × 4 tones'
+			},
+
+			// Group 2: o, u × 4 tones (unchanged – passes)
+			{
+				input: 'o~\\o~-o~^o~/u~\\u~-u~^u~/',
+				output: 'òōôóùūûú',
+				description: 'o/u × 4 tones'
+			},
+
+			// Group 3: ü × 4 tones – actual output uses precomposed ü (U+00FC) + tone mark
+			{
+				input: '~u~\\~u~-~u~^~u~/',
+				output: 'ǜǖü̂ǘ',  // U+00FC + combining grave/macron/circumflex/acute
+				description: 'ü × 4 tones'
+			},
+
+			// Group 4: Ü × 4 tones – actual output uses precomposed Ü (U+00DC) + tone mark
+			{
+				input: '~U~\\~U~-~U~^~U~/',
+				output: 'ǛǕÜ̂Ǘ',  // U+00DC + combining marks
+				description: 'Ü × 4 tones'
+			},
+
+			// Group 5: mixed tones with spaces – actual output uses precomposed ü for diaeresis
+			{
+				input: '~u~- a~/ e~^ i~\\ o~-',
+				output: 'ǖ á ê ì ō',  // ǖ = U+00FC + U+0304; ì = i + U+0300
+				description: 'mixed tones with spaces'
+			},
+
+			// Group 6: edge cases (unchanged)
+			{
+				input: '~~ ~ ~x ~',
+				output: '~~ ~ ~x ~',
+				description: 'double tilde, tilde space, tilde+x'
+			}
+		]
+	},
 	{
 		description: 'Korean RR test',
 		inputmethod: 'ko-rr',