Merge pull request #320 from phi-gamma/master

fixes

1 files changed, 826 insertions, 619 deletions

diff --git a/src/luaotfload-features.lua b/src/luaotfload-features.lua
index 3922882..fd43e58 100644
--- a/src/luaotfload-features.lua
+++ b/src/luaotfload-features.lua
@@ -69,621 +69,822 @@ local mathceil         = math.ceil
 ---[[ begin excerpt from font-ott.lua ]]
 
 local scripts = {
-    ['arab'] = 'arabic',
-    ['armn'] = 'armenian',
-    ['bali'] = 'balinese',
-    ['beng'] = 'bengali',
-    ['bopo'] = 'bopomofo',
-    ['brai'] = 'braille',
-    ['bugi'] = 'buginese',
-    ['buhd'] = 'buhid',
-    ['byzm'] = 'byzantine music',
-    ['cans'] = 'canadian syllabics',
-    ['cher'] = 'cherokee',
-    ['copt'] = 'coptic',
-    ['cprt'] = 'cypriot syllabary',
-    ['cyrl'] = 'cyrillic',
-    ['deva'] = 'devanagari',
-    ['dsrt'] = 'deseret',
-    ['ethi'] = 'ethiopic',
-    ['geor'] = 'georgian',
-    ['glag'] = 'glagolitic',
-    ['goth'] = 'gothic',
-    ['grek'] = 'greek',
-    ['gujr'] = 'gujarati',
-    ['guru'] = 'gurmukhi',
-    ['hang'] = 'hangul',
-    ['hani'] = 'cjk ideographic',
-    ['hano'] = 'hanunoo',
-    ['hebr'] = 'hebrew',
-    ['ital'] = 'old italic',
-    ['jamo'] = 'hangul jamo',
-    ['java'] = 'javanese',
-    ['kana'] = 'hiragana and katakana',
-    ['khar'] = 'kharosthi',
-    ['khmr'] = 'khmer',
-    ['knda'] = 'kannada',
-    ['lao' ] = 'lao',
-    ['latn'] = 'latin',
-    ['limb'] = 'limbu',
-    ['linb'] = 'linear b',
-    ['math'] = 'mathematical alphanumeric symbols',
-    ['mlym'] = 'malayalam',
-    ['mong'] = 'mongolian',
-    ['musc'] = 'musical symbols',
-    ['mymr'] = 'myanmar',
-    ['nko' ] = "n'ko",
-    ['ogam'] = 'ogham',
-    ['orya'] = 'oriya',
-    ['osma'] = 'osmanya',
-    ['phag'] = 'phags-pa',
-    ['phnx'] = 'phoenician',
-    ['runr'] = 'runic',
-    ['shaw'] = 'shavian',
-    ['sinh'] = 'sinhala',
-    ['sylo'] = 'syloti nagri',
-    ['syrc'] = 'syriac',
-    ['tagb'] = 'tagbanwa',
-    ['tale'] = 'tai le',
-    ['talu'] = 'tai lu',
-    ['taml'] = 'tamil',
-    ['telu'] = 'telugu',
-    ['tfng'] = 'tifinagh',
-    ['tglg'] = 'tagalog',
-    ['thaa'] = 'thaana',
-    ['thai'] = 'thai',
-    ['tibt'] = 'tibetan',
-    ['ugar'] = 'ugaritic cuneiform',
-    ['xpeo'] = 'old persian cuneiform',
-    ['xsux'] = 'sumero-akkadian cuneiform',
-    ['yi'  ] = 'yi',
-}
+    ["arab"] = "arabic",
+    ["armn"] = "armenian",
+    ["bali"] = "balinese",
+    ["beng"] = "bengali",
+    ["bopo"] = "bopomofo",
+    ["brai"] = "braille",
+    ["bugi"] = "buginese",
+    ["buhd"] = "buhid",
+    ["byzm"] = "byzantine music",
+    ["cans"] = "canadian syllabics",
+    ["cher"] = "cherokee",
+    ["copt"] = "coptic",
+    ["cprt"] = "cypriot syllabary",
+    ["cyrl"] = "cyrillic",
+    ["deva"] = "devanagari",
+    ["dsrt"] = "deseret",
+    ["ethi"] = "ethiopic",
+    ["geor"] = "georgian",
+    ["glag"] = "glagolitic",
+    ["goth"] = "gothic",
+    ["grek"] = "greek",
+    ["gujr"] = "gujarati",
+    ["guru"] = "gurmukhi",
+    ["hang"] = "hangul",
+    ["hani"] = "cjk ideographic",
+    ["hano"] = "hanunoo",
+    ["hebr"] = "hebrew",
+    ["ital"] = "old italic",
+    ["jamo"] = "hangul jamo",
+    ["java"] = "javanese",
+    ["kana"] = "hiragana and katakana",
+    ["khar"] = "kharosthi",
+    ["khmr"] = "khmer",
+    ["knda"] = "kannada",
+    ["lao" ] = "lao",
+    ["latn"] = "latin",
+    ["limb"] = "limbu",
+    ["linb"] = "linear b",
+    ["math"] = "mathematical alphanumeric symbols",
+    ["mlym"] = "malayalam",
+    ["mong"] = "mongolian",
+    ["musc"] = "musical symbols",
+    ["mymr"] = "myanmar",
+    ["nko" ] = "n\"ko",
+    ["ogam"] = "ogham",
+    ["orya"] = "oriya",
+    ["osma"] = "osmanya",
+    ["phag"] = "phags-pa",
+    ["phnx"] = "phoenician",
+    ["runr"] = "runic",
+    ["shaw"] = "shavian",
+    ["sinh"] = "sinhala",
+    ["sylo"] = "syloti nagri",
+    ["syrc"] = "syriac",
+    ["tagb"] = "tagbanwa",
+    ["tale"] = "tai le",
+    ["talu"] = "tai lu",
+    ["taml"] = "tamil",
+    ["telu"] = "telugu",
+    ["tfng"] = "tifinagh",
+    ["tglg"] = "tagalog",
+    ["thaa"] = "thaana",
+    ["thai"] = "thai",
+    ["tibt"] = "tibetan",
+    ["ugar"] = "ugaritic cuneiform",
+    ["xpeo"] = "old persian cuneiform",
+    ["xsux"] = "sumero-akkadian cuneiform",
+    ["yi"  ] = "yi",
+} -- [[ [scripts] ]]
 
 local languages = {
-    ['aba'] = 'abaza',
-    ['abk'] = 'abkhazian',
-    ['ady'] = 'adyghe',
-    ['afk'] = 'afrikaans',
-    ['afr'] = 'afar',
-    ['agw'] = 'agaw',
-    ['als'] = 'alsatian',
-    ['alt'] = 'altai',
-    ['amh'] = 'amharic',
-    ['ara'] = 'arabic',
-    ['ari'] = 'aari',
-    ['ark'] = 'arakanese',
-    ['asm'] = 'assamese',
-    ['ath'] = 'athapaskan',
-    ['avr'] = 'avar',
-    ['awa'] = 'awadhi',
-    ['aym'] = 'aymara',
-    ['aze'] = 'azeri',
-    ['bad'] = 'badaga',
-    ['bag'] = 'baghelkhandi',
-    ['bal'] = 'balkar',
-    ['bau'] = 'baule',
-    ['bbr'] = 'berber',
-    ['bch'] = 'bench',
-    ['bcr'] = 'bible cree',
-    ['bel'] = 'belarussian',
-    ['bem'] = 'bemba',
-    ['ben'] = 'bengali',
-    ['bgr'] = 'bulgarian',
-    ['bhi'] = 'bhili',
-    ['bho'] = 'bhojpuri',
-    ['bik'] = 'bikol',
-    ['bil'] = 'bilen',
-    ['bkf'] = 'blackfoot',
-    ['bli'] = 'balochi',
-    ['bln'] = 'balante',
-    ['blt'] = 'balti',
-    ['bmb'] = 'bambara',
-    ['bml'] = 'bamileke',
-    ['bos'] = 'bosnian',
-    ['bre'] = 'breton',
-    ['brh'] = 'brahui',
-    ['bri'] = 'braj bhasha',
-    ['brm'] = 'burmese',
-    ['bsh'] = 'bashkir',
-    ['bti'] = 'beti',
-    ['cat'] = 'catalan',
-    ['ceb'] = 'cebuano',
-    ['che'] = 'chechen',
-    ['chg'] = 'chaha gurage',
-    ['chh'] = 'chattisgarhi',
-    ['chi'] = 'chichewa',
-    ['chk'] = 'chukchi',
-    ['chp'] = 'chipewyan',
-    ['chr'] = 'cherokee',
-    ['chu'] = 'chuvash',
-    ['cmr'] = 'comorian',
-    ['cop'] = 'coptic',
-    ['cos'] = 'corsican',
-    ['cre'] = 'cree',
-    ['crr'] = 'carrier',
-    ['crt'] = 'crimean tatar',
-    ['csl'] = 'church slavonic',
-    ['csy'] = 'czech',
-    ['dan'] = 'danish',
-    ['dar'] = 'dargwa',
-    ['dcr'] = 'woods cree',
-    ['deu'] = 'german',
-    ['dgr'] = 'dogri',
-    ['div'] = 'divehi',
-    ['djr'] = 'djerma',
-    ['dng'] = 'dangme',
-    ['dnk'] = 'dinka',
-    ['dri'] = 'dari',
-    ['dun'] = 'dungan',
-    ['dzn'] = 'dzongkha',
-    ['ebi'] = 'ebira',
-    ['ecr'] = 'eastern cree',
-    ['edo'] = 'edo',
-    ['efi'] = 'efik',
-    ['ell'] = 'greek',
-    ['eng'] = 'english',
-    ['erz'] = 'erzya',
-    ['esp'] = 'spanish',
-    ['eti'] = 'estonian',
-    ['euq'] = 'basque',
-    ['evk'] = 'evenki',
-    ['evn'] = 'even',
-    ['ewe'] = 'ewe',
-    ['fan'] = 'french antillean',
-    ['far'] = 'farsi',
-    ['fin'] = 'finnish',
-    ['fji'] = 'fijian',
-    ['fle'] = 'flemish',
-    ['fne'] = 'forest nenets',
-    ['fon'] = 'fon',
-    ['fos'] = 'faroese',
-    ['fra'] = 'french',
-    ['fri'] = 'frisian',
-    ['frl'] = 'friulian',
-    ['fta'] = 'futa',
-    ['ful'] = 'fulani',
-    ['gad'] = 'ga',
-    ['gae'] = 'gaelic',
-    ['gag'] = 'gagauz',
-    ['gal'] = 'galician',
-    ['gar'] = 'garshuni',
-    ['gaw'] = 'garhwali',
-    ['gez'] = "ge'ez",
-    ['gil'] = 'gilyak',
-    ['gmz'] = 'gumuz',
-    ['gon'] = 'gondi',
-    ['grn'] = 'greenlandic',
-    ['gro'] = 'garo',
-    ['gua'] = 'guarani',
-    ['guj'] = 'gujarati',
-    ['hai'] = 'haitian',
-    ['hal'] = 'halam',
-    ['har'] = 'harauti',
-    ['hau'] = 'hausa',
-    ['haw'] = 'hawaiin',
-    ['hbn'] = 'hammer-banna',
-    ['hil'] = 'hiligaynon',
-    ['hin'] = 'hindi',
-    ['hma'] = 'high mari',
-    ['hnd'] = 'hindko',
-    ['ho']  = 'ho',
-    ['hri'] = 'harari',
-    ['hrv'] = 'croatian',
-    ['hun'] = 'hungarian',
-    ['hye'] = 'armenian',
-    ['ibo'] = 'igbo',
-    ['ijo'] = 'ijo',
-    ['ilo'] = 'ilokano',
-    ['ind'] = 'indonesian',
-    ['ing'] = 'ingush',
-    ['inu'] = 'inuktitut',
-    ['iri'] = 'irish',
-    ['irt'] = 'irish traditional',
-    ['isl'] = 'icelandic',
-    ['ism'] = 'inari sami',
-    ['ita'] = 'italian',
-    ['iwr'] = 'hebrew',
-    ['jan'] = 'japanese',
-    ['jav'] = 'javanese',
-    ['jii'] = 'yiddish',
-    ['jud'] = 'judezmo',
-    ['jul'] = 'jula',
-    ['kab'] = 'kabardian',
-    ['kac'] = 'kachchi',
-    ['kal'] = 'kalenjin',
-    ['kan'] = 'kannada',
-    ['kar'] = 'karachay',
-    ['kat'] = 'georgian',
-    ['kaz'] = 'kazakh',
-    ['keb'] = 'kebena',
-    ['kge'] = 'khutsuri georgian',
-    ['kha'] = 'khakass',
-    ['khk'] = 'khanty-kazim',
-    ['khm'] = 'khmer',
-    ['khs'] = 'khanty-shurishkar',
-    ['khv'] = 'khanty-vakhi',
-    ['khw'] = 'khowar',
-    ['kik'] = 'kikuyu',
-    ['kir'] = 'kirghiz',
-    ['kis'] = 'kisii',
-    ['kkn'] = 'kokni',
-    ['klm'] = 'kalmyk',
-    ['kmb'] = 'kamba',
-    ['kmn'] = 'kumaoni',
-    ['kmo'] = 'komo',
-    ['kms'] = 'komso',
-    ['knr'] = 'kanuri',
-    ['kod'] = 'kodagu',
-    ['koh'] = 'korean old hangul',
-    ['kok'] = 'konkani',
-    ['kon'] = 'kikongo',
-    ['kop'] = 'komi-permyak',
-    ['kor'] = 'korean',
-    ['koz'] = 'komi-zyrian',
-    ['kpl'] = 'kpelle',
-    ['kri'] = 'krio',
-    ['krk'] = 'karakalpak',
-    ['krl'] = 'karelian',
-    ['krm'] = 'karaim',
-    ['krn'] = 'karen',
-    ['krt'] = 'koorete',
-    ['ksh'] = 'kashmiri',
-    ['ksi'] = 'khasi',
-    ['ksm'] = 'kildin sami',
-    ['kui'] = 'kui',
-    ['kul'] = 'kulvi',
-    ['kum'] = 'kumyk',
-    ['kur'] = 'kurdish',
-    ['kuu'] = 'kurukh',
-    ['kuy'] = 'kuy',
-    ['kyk'] = 'koryak',
-    ['lad'] = 'ladin',
-    ['lah'] = 'lahuli',
-    ['lak'] = 'lak',
-    ['lam'] = 'lambani',
-    ['lao'] = 'lao',
-    ['lat'] = 'latin',
-    ['laz'] = 'laz',
-    ['lcr'] = 'l-cree',
-    ['ldk'] = 'ladakhi',
-    ['lez'] = 'lezgi',
-    ['lin'] = 'lingala',
-    ['lma'] = 'low mari',
-    ['lmb'] = 'limbu',
-    ['lmw'] = 'lomwe',
-    ['lsb'] = 'lower sorbian',
-    ['lsm'] = 'lule sami',
-    ['lth'] = 'lithuanian',
-    ['ltz'] = 'luxembourgish',
-    ['lub'] = 'luba',
-    ['lug'] = 'luganda',
-    ['luh'] = 'luhya',
-    ['luo'] = 'luo',
-    ['lvi'] = 'latvian',
-    ['maj'] = 'majang',
-    ['mak'] = 'makua',
-    ['mal'] = 'malayalam traditional',
-    ['man'] = 'mansi',
-    ['map'] = 'mapudungun',
-    ['mar'] = 'marathi',
-    ['maw'] = 'marwari',
-    ['mbn'] = 'mbundu',
-    ['mch'] = 'manchu',
-    ['mcr'] = 'moose cree',
-    ['mde'] = 'mende',
-    ['men'] = "me'en",
-    ['miz'] = 'mizo',
-    ['mkd'] = 'macedonian',
-    ['mle'] = 'male',
-    ['mlg'] = 'malagasy',
-    ['mln'] = 'malinke',
-    ['mlr'] = 'malayalam reformed',
-    ['mly'] = 'malay',
-    ['mnd'] = 'mandinka',
-    ['mng'] = 'mongolian',
-    ['mni'] = 'manipuri',
-    ['mnk'] = 'maninka',
-    ['mnx'] = 'manx gaelic',
-    ['moh'] = 'mohawk',
-    ['mok'] = 'moksha',
-    ['mol'] = 'moldavian',
-    ['mon'] = 'mon',
-    ['mor'] = 'moroccan',
-    ['mri'] = 'maori',
-    ['mth'] = 'maithili',
-    ['mts'] = 'maltese',
-    ['mun'] = 'mundari',
-    ['nag'] = 'naga-assamese',
-    ['nan'] = 'nanai',
-    ['nas'] = 'naskapi',
-    ['ncr'] = 'n-cree',
-    ['ndb'] = 'ndebele',
-    ['ndg'] = 'ndonga',
-    ['nep'] = 'nepali',
-    ['new'] = 'newari',
-    ['ngr'] = 'nagari',
-    ['nhc'] = 'norway house cree',
-    ['nis'] = 'nisi',
-    ['niu'] = 'niuean',
-    ['nkl'] = 'nkole',
-    ['nko'] = "n'ko",
-    ['nld'] = 'dutch',
-    ['nog'] = 'nogai',
-    ['nor'] = 'norwegian',
-    ['nsm'] = 'northern sami',
-    ['nta'] = 'northern tai',
-    ['nto'] = 'esperanto',
-    ['nyn'] = 'nynorsk',
-    ['oci'] = 'occitan',
-    ['ocr'] = 'oji-cree',
-    ['ojb'] = 'ojibway',
-    ['ori'] = 'oriya',
-    ['oro'] = 'oromo',
-    ['oss'] = 'ossetian',
-    ['paa'] = 'palestinian aramaic',
-    ['pal'] = 'pali',
-    ['pan'] = 'punjabi',
-    ['pap'] = 'palpa',
-    ['pas'] = 'pashto',
-    ['pgr'] = 'polytonic greek',
-    ['pil'] = 'pilipino',
-    ['plg'] = 'palaung',
-    ['plk'] = 'polish',
-    ['pro'] = 'provencal',
-    ['ptg'] = 'portuguese',
-    ['qin'] = 'chin',
-    ['raj'] = 'rajasthani',
-    ['rbu'] = 'russian buriat',
-    ['rcr'] = 'r-cree',
-    ['ria'] = 'riang',
-    ['rms'] = 'rhaeto-romanic',
-    ['rom'] = 'romanian',
-    ['roy'] = 'romany',
-    ['rsy'] = 'rusyn',
-    ['rua'] = 'ruanda',
-    ['rus'] = 'russian',
-    ['sad'] = 'sadri',
-    ['san'] = 'sanskrit',
-    ['sat'] = 'santali',
-    ['say'] = 'sayisi',
-    ['sek'] = 'sekota',
-    ['sel'] = 'selkup',
-    ['sgo'] = 'sango',
-    ['shn'] = 'shan',
-    ['sib'] = 'sibe',
-    ['sid'] = 'sidamo',
-    ['sig'] = 'silte gurage',
-    ['sks'] = 'skolt sami',
-    ['sky'] = 'slovak',
-    ['sla'] = 'slavey',
-    ['slv'] = 'slovenian',
-    ['sml'] = 'somali',
-    ['smo'] = 'samoan',
-    ['sna'] = 'sena',
-    ['snd'] = 'sindhi',
-    ['snh'] = 'sinhalese',
-    ['snk'] = 'soninke',
-    ['sog'] = 'sodo gurage',
-    ['sot'] = 'sotho',
-    ['sqi'] = 'albanian',
-    ['srb'] = 'serbian',
-    ['srk'] = 'saraiki',
-    ['srr'] = 'serer',
-    ['ssl'] = 'south slavey',
-    ['ssm'] = 'southern sami',
-    ['sur'] = 'suri',
-    ['sva'] = 'svan',
-    ['sve'] = 'swedish',
-    ['swa'] = 'swadaya aramaic',
-    ['swk'] = 'swahili',
-    ['swz'] = 'swazi',
-    ['sxt'] = 'sutu',
-    ['syr'] = 'syriac',
-    ['tab'] = 'tabasaran',
-    ['taj'] = 'tajiki',
-    ['tam'] = 'tamil',
-    ['tat'] = 'tatar',
-    ['tcr'] = 'th-cree',
-    ['tel'] = 'telugu',
-    ['tgn'] = 'tongan',
-    ['tgr'] = 'tigre',
-    ['tgy'] = 'tigrinya',
-    ['tha'] = 'thai',
-    ['tht'] = 'tahitian',
-    ['tib'] = 'tibetan',
-    ['tkm'] = 'turkmen',
-    ['tmn'] = 'temne',
-    ['tna'] = 'tswana',
-    ['tne'] = 'tundra nenets',
-    ['tng'] = 'tonga',
-    ['tod'] = 'todo',
-    ['trk'] = 'turkish',
-    ['tsg'] = 'tsonga',
-    ['tua'] = 'turoyo aramaic',
-    ['tul'] = 'tulu',
-    ['tuv'] = 'tuvin',
-    ['twi'] = 'twi',
-    ['udm'] = 'udmurt',
-    ['ukr'] = 'ukrainian',
-    ['urd'] = 'urdu',
-    ['usb'] = 'upper sorbian',
-    ['uyg'] = 'uyghur',
-    ['uzb'] = 'uzbek',
-    ['ven'] = 'venda',
-    ['vit'] = 'vietnamese',
-    ['wa' ] = 'wa',
-    ['wag'] = 'wagdi',
-    ['wcr'] = 'west-cree',
-    ['wel'] = 'welsh',
-    ['wlf'] = 'wolof',
-    ['xbd'] = 'tai lue',
-    ['xhs'] = 'xhosa',
-    ['yak'] = 'yakut',
-    ['yba'] = 'yoruba',
-    ['ycr'] = 'y-cree',
-    ['yic'] = 'yi classic',
-    ['yim'] = 'yi modern',
-    ['zhh'] = 'chinese hong kong',
-    ['zhp'] = 'chinese phonetic',
-    ['zhs'] = 'chinese simplified',
-    ['zht'] = 'chinese traditional',
-    ['znd'] = 'zande',
-    ['zul'] = 'zulu'
-}
+    ["aba" ] = "abaza",
+    ["abk" ] = "abkhazian",
+    ["ach" ] = "acholi",
+    ["acr" ] = "achi",
+    ["ady" ] = "adyghe",
+    ["afk" ] = "afrikaans",
+    ["afr" ] = "afar",
+    ["agw" ] = "agaw",
+    ["aio" ] = "aiton",
+    ["aka" ] = "akan",
+    ["als" ] = "alsatian",
+    ["alt" ] = "altai",
+    ["amh" ] = "amharic",
+    ["ang" ] = "anglo-saxon",
+    ["apph"] = "phonetic transcription—americanist conventions",
+    ["ara" ] = "arabic",
+    ["arg" ] = "aragonese",
+    ["ari" ] = "aari",
+    ["ark" ] = "rakhine",
+    ["asm" ] = "assamese",
+    ["ast" ] = "asturian",
+    ["ath" ] = "athapaskan",
+    ["avr" ] = "avar",
+    ["awa" ] = "awadhi",
+    ["aym" ] = "aymara",
+    ["azb" ] = "torki",
+    ["aze" ] = "azerbaijani",
+    ["bad" ] = "badaga",
+    ["bad0"] = "banda",
+    ["bag" ] = "baghelkhandi",
+    ["bal" ] = "balkar",
+    ["ban" ] = "balinese",
+    ["bar" ] = "bavarian",
+    ["bau" ] = "baulé",
+    ["bbc" ] = "batak toba",
+    ["bbr" ] = "berber",
+    ["bch" ] = "bench",
+    ["bcr" ] = "bible cree",
+    ["bdy" ] = "bandjalang",
+    ["bel" ] = "belarussian",
+    ["bem" ] = "bemba",
+    ["ben" ] = "bengali",
+    ["bgc" ] = "haryanvi",
+    ["bgq" ] = "bagri",
+    ["bgr" ] = "bulgarian",
+    ["bhi" ] = "bhili",
+    ["bho" ] = "bhojpuri",
+    ["bik" ] = "bikol",
+    ["bil" ] = "bilen",
+    ["bis" ] = "bislama",
+    ["bjj" ] = "kanauji",
+    ["bkf" ] = "blackfoot",
+    ["bli" ] = "baluchi",
+    ["blk" ] = "pa'o karen",
+    ["bln" ] = "balante",
+    ["blt" ] = "balti",
+    ["bmb" ] = "bambara (bamanankan)",
+    ["bml" ] = "bamileke",
+    ["bos" ] = "bosnian",
+    ["bpy" ] = "bishnupriya manipuri",
+    ["bre" ] = "breton",
+    ["brh" ] = "brahui",
+    ["bri" ] = "braj bhasha",
+    ["brm" ] = "burmese",
+    ["brx" ] = "bodo",
+    ["bsh" ] = "bashkir",
+    ["bti" ] = "beti",
+    ["bts" ] = "batak simalungun",
+    ["bug" ] = "bugis",
+    ["cak" ] = "kaqchikel",
+    ["cat" ] = "catalan",
+    ["cbk" ] = "zamboanga chavacano",
+    ["ceb" ] = "cebuano",
+    ["cgg" ] = "chiga",
+    ["cha" ] = "chamorro",
+    ["che" ] = "chechen",
+    ["chg" ] = "chaha gurage",
+    ["chh" ] = "chattisgarhi",
+    ["chi" ] = "chichewa (chewa, nyanja)",
+    ["chk" ] = "chukchi",
+    ["chk0"] = "chuukese",
+    ["cho" ] = "choctaw",
+    ["chp" ] = "chipewyan",
+    ["chr" ] = "cherokee",
+    ["chu" ] = "chuvash",
+    ["chy" ] = "cheyenne",
+    ["cmr" ] = "comorian",
+    ["cop" ] = "coptic",
+    ["cor" ] = "cornish",
+    ["cos" ] = "corsican",
+    ["cpp" ] = "creoles",
+    ["cre" ] = "cree",
+    ["crr" ] = "carrier",
+    ["crt" ] = "crimean tatar",
+    ["csb" ] = "kashubian",
+    ["csl" ] = "church slavonic",
+    ["csy" ] = "czech",
+    ["ctg" ] = "chittagonian",
+    ["cuk" ] = "san blas kuna",
+    ["dan" ] = "danish",
+    ["dar" ] = "dargwa",
+    ["dax" ] = "dayi",
+    ["dcr" ] = "woods cree",
+    ["deu" ] = "german",
+    ["dgo" ] = "dogri",
+    ["dgr" ] = "dogri",
+    ["dhg" ] = "dhangu",
+    ["dhv" ] = "divehi (dhivehi, maldivian)",
+    ["diq" ] = "dimli",
+    ["div" ] = "divehi (dhivehi, maldivian)",
+    ["djr" ] = "zarma",
+    ["djr0"] = "djambarrpuyngu",
+    ["dng" ] = "dangme",
+    ["dnj" ] = "dan",
+    ["dnk" ] = "dinka",
+    ["dri" ] = "dari",
+    ["duj" ] = "dhuwal",
+    ["dun" ] = "dungan",
+    ["dzn" ] = "dzongkha",
+    ["ebi" ] = "ebira",
+    ["ecr" ] = "eastern cree",
+    ["edo" ] = "edo",
+    ["efi" ] = "efik",
+    ["ell" ] = "greek",
+    ["emk" ] = "eastern maninkakan",
+    ["eng" ] = "english",
+    ["erz" ] = "erzya",
+    ["esp" ] = "spanish",
+    ["esu" ] = "central yupik",
+    ["eti" ] = "estonian",
+    ["euq" ] = "basque",
+    ["evk" ] = "evenki",
+    ["evn" ] = "even",
+    ["ewe" ] = "ewe",
+    ["fan" ] = "french antillean",
+    ["fan0"] = " fang",
+    ["far" ] = "persian",
+    ["fat" ] = "fanti",
+    ["fin" ] = "finnish",
+    ["fji" ] = "fijian",
+    ["fle" ] = "dutch (flemish)",
+    ["fne" ] = "forest nenets",
+    ["fon" ] = "fon",
+    ["fos" ] = "faroese",
+    ["fra" ] = "french",
+    ["frc" ] = "cajun french",
+    ["fri" ] = "frisian",
+    ["frl" ] = "friulian",
+    ["frp" ] = "arpitan",
+    ["fta" ] = "futa",
+    ["ful" ] = "fulah",
+    ["fuv" ] = "nigerian fulfulde",
+    ["gad" ] = "ga",
+    ["gae" ] = "scottish gaelic (gaelic)",
+    ["gag" ] = "gagauz",
+    ["gal" ] = "galician",
+    ["gar" ] = "garshuni",
+    ["gaw" ] = "garhwali",
+    ["gez" ] = "ge'ez",
+    ["gih" ] = "githabul",
+    ["gil" ] = "gilyak",
+    ["gil0"] = " kiribati (gilbertese)",
+    ["gkp" ] = "kpelle (guinea)",
+    ["glk" ] = "gilaki",
+    ["gmz" ] = "gumuz",
+    ["gnn" ] = "gumatj",
+    ["gog" ] = "gogo",
+    ["gon" ] = "gondi",
+    ["grn" ] = "greenlandic",
+    ["gro" ] = "garo",
+    ["gua" ] = "guarani",
+    ["guc" ] = "wayuu",
+    ["guf" ] = "gupapuyngu",
+    ["guj" ] = "gujarati",
+    ["guz" ] = "gusii",
+    ["hai" ] = "haitian (haitian creole)",
+    ["hal" ] = "halam",
+    ["har" ] = "harauti",
+    ["hau" ] = "hausa",
+    ["haw" ] = "hawaiian",
+    ["hay" ] = "haya",
+    ["haz" ] = "hazaragi",
+    ["hbn" ] = "hammer-banna",
+    ["her" ] = "herero",
+    ["hil" ] = "hiligaynon",
+    ["hin" ] = "hindi",
+    ["hma" ] = "high mari",
+    ["hmn" ] = "hmong",
+    ["hmo" ] = "hiri motu",
+    ["hnd" ] = "hindko",
+    ["ho"  ] = "ho",
+    ["hri" ] = "harari",
+    ["hrv" ] = "croatian",
+    ["hun" ] = "hungarian",
+    ["hye" ] = "armenian",
+    ["hye0"] = "armenian east",
+    ["iba" ] = "iban",
+    ["ibb" ] = "ibibio",
+    ["ibo" ] = "igbo",
+    ["ido" ] = "ido",
+    ["ijo" ] = "ijo languages",
+    ["ile" ] = "interlingue",
+    ["ilo" ] = "ilokano",
+    ["ina" ] = "interlingua",
+    ["ind" ] = "indonesian",
+    ["ing" ] = "ingush",
+    ["inu" ] = "inuktitut",
+    ["ipk" ] = "inupiat",
+    ["ipph"] = "phonetic transcription—ipa conventions",
+    ["iri" ] = "irish",
+    ["irt" ] = "irish traditional",
+    ["isl" ] = "icelandic",
+    ["ism" ] = "inari sami",
+    ["ita" ] = "italian",
+    ["iwr" ] = "hebrew",
+    ["jam" ] = "jamaican creole",
+    ["jan" ] = "japanese",
+    ["jav" ] = "javanese",
+    ["jbo" ] = "lojban",
+    ["jii" ] = "yiddish",
+    ["jud" ] = "ladino",
+    ["jul" ] = "jula",
+    ["kab" ] = "kabardian",
+    ["kab0"] = "kabyle",
+    ["kac" ] = "kachchi",
+    ["kal" ] = "kalenjin",
+    ["kan" ] = "kannada",
+    ["kar" ] = "karachay",
+    ["kat" ] = "georgian",
+    ["kaz" ] = "kazakh",
+    ["kde" ] = "makonde",
+    ["kea" ] = "kabuverdianu (crioulo)",
+    ["keb" ] = "kebena",
+    ["kek" ] = "kekchi",
+    ["kge" ] = "khutsuri georgian",
+    ["kha" ] = "khakass",
+    ["khk" ] = "khanty-kazim",
+    ["khm" ] = "khmer",
+    ["khs" ] = "khanty-shurishkar",
+    ["kht" ] = "khamti shan",
+    ["khv" ] = "khanty-vakhi",
+    ["khw" ] = "khowar",
+    ["kik" ] = "kikuyu (gikuyu)",
+    ["kir" ] = "kirghiz (kyrgyz)",
+    ["kis" ] = "kisii",
+    ["kiu" ] = "kirmanjki",
+    ["kjd" ] = "southern kiwai",
+    ["kjp" ] = "eastern pwo karen",
+    ["kkn" ] = "kokni",
+    ["klm" ] = "kalmyk",
+    ["kmb" ] = "kamba",
+    ["kmn" ] = "kumaoni",
+    ["kmo" ] = "komo",
+    ["kms" ] = "komso",
+    ["knr" ] = "kanuri",
+    ["kod" ] = "kodagu",
+    ["koh" ] = "korean old hangul",
+    ["kok" ] = "konkani",
+    ["kom" ] = "komi",
+    ["kon" ] = "kikongo",
+    ["kon0"] = "kongo",
+    ["kop" ] = "komi-permyak",
+    ["kor" ] = "korean",
+    ["kos" ] = "kosraean",
+    ["koz" ] = "komi-zyrian",
+    ["kpl" ] = "kpelle",
+    ["kri" ] = "krio",
+    ["krk" ] = "karakalpak",
+    ["krl" ] = "karelian",
+    ["krm" ] = "karaim",
+    ["krn" ] = "karen",
+    ["krt" ] = "koorete",
+    ["ksh" ] = "kashmiri",
+    ["ksh0"] = "ripuarian",
+    ["ksi" ] = "khasi",
+    ["ksm" ] = "kildin sami",
+    ["ksw" ] = "s’gaw karen",
+    ["kua" ] = "kuanyama",
+    ["kui" ] = "kui",
+    ["kul" ] = "kulvi",
+    ["kum" ] = "kumyk",
+    ["kur" ] = "kurdish",
+    ["kuu" ] = "kurukh",
+    ["kuy" ] = "kuy",
+    ["kyk" ] = "koryak",
+    ["kyu" ] = "western kayah",
+    ["lad" ] = "ladin",
+    ["lah" ] = "lahuli",
+    ["lak" ] = "lak",
+    ["lam" ] = "lambani",
+    ["lao" ] = "lao",
+    ["lat" ] = "latin",
+    ["laz" ] = "laz",
+    ["lcr" ] = "l-cree",
+    ["ldk" ] = "ladakhi",
+    ["lez" ] = "lezgi",
+    ["lij" ] = "ligurian",
+    ["lim" ] = "limburgish",
+    ["lin" ] = "lingala",
+    ["lis" ] = "lisu",
+    ["ljp" ] = "lampung",
+    ["lki" ] = "laki",
+    ["lma" ] = "low mari",
+    ["lmb" ] = "limbu",
+    ["lmo" ] = "lombard",
+    ["lmw" ] = "lomwe",
+    ["lom" ] = "loma",
+    ["lrc" ] = "luri",
+    ["lsb" ] = "lower sorbian",
+    ["lsm" ] = "lule sami",
+    ["lth" ] = "lithuanian",
+    ["ltz" ] = "luxembourgish",
+    ["lua" ] = "luba-lulua",
+    ["lub" ] = "luba-katanga",
+    ["lug" ] = "ganda",
+    ["luh" ] = "luyia",
+    ["luo" ] = "luo",
+    ["lvi" ] = "latvian",
+    ["mad" ] = "madura",
+    ["mag" ] = "magahi",
+    ["mah" ] = "marshallese",
+    ["maj" ] = "majang",
+    ["mak" ] = "makhuwa",
+    ["mal" ] = "malayalam reformed",
+    ["mam" ] = "mam",
+    ["man" ] = "mansi",
+    ["map" ] = "mapudungun",
+    ["mar" ] = "marathi",
+    ["maw" ] = "marwari",
+    ["mbn" ] = "mbundu",
+    ["mch" ] = "manchu",
+    ["mcr" ] = "moose cree",
+    ["mde" ] = "mende",
+    ["mdr" ] = "mandar",
+    ["men" ] = "me'en",
+    ["mer" ] = "meru",
+    ["mfe" ] = "morisyen",
+    ["min" ] = "minangkabau",
+    ["miz" ] = "mizo",
+    ["mkd" ] = "macedonian",
+    ["mkr" ] = "makasar",
+    ["mkw" ] = "kituba",
+    ["mle" ] = "male",
+    ["mlg" ] = "malagasy",
+    ["mln" ] = "malinke",
+    ["mly" ] = "malay",
+    ["mnd" ] = "mandinka",
+    ["mng" ] = "mongolian",
+    ["mni" ] = "manipuri",
+    ["mnk" ] = "maninka",
+    ["mnx" ] = "manx",
+    ["moh" ] = "mohawk",
+    ["mok" ] = "moksha",
+    ["mol" ] = "moldavian",
+    ["mon" ] = "mon",
+    ["mor" ] = "moroccan",
+    ["mos" ] = "mossi",
+    ["mri" ] = "maori",
+    ["mth" ] = "maithili",
+    ["mts" ] = "maltese",
+    ["mun" ] = "mundari",
+    ["mus" ] = "muscogee",
+    ["mwl" ] = "mirandese",
+    ["mww" ] = "hmong daw",
+    ["myn" ] = "mayan",
+    ["mzn" ] = "mazanderani",
+    ["nag" ] = "naga-assamese",
+    ["nah" ] = "nahuatl",
+    ["nan" ] = "nanai",
+    ["nap" ] = "neapolitan",
+    ["nas" ] = "naskapi",
+    ["nau" ] = "nauruan",
+    ["nav" ] = "navajo",
+    ["ncr" ] = "n-cree",
+    ["ndb" ] = "ndebele",
+    ["ndc" ] = "ndau",
+    ["ndg" ] = "ndonga",
+    ["nds" ] = "low saxon",
+    ["nep" ] = "nepali",
+    ["new" ] = "newari",
+    ["nga" ] = "ngbaka",
+    ["ngr" ] = "nagari",
+    ["nhc" ] = "norway house cree",
+    ["nis" ] = "nisi",
+    ["niu" ] = "niuean",
+    ["nkl" ] = "nyankole",
+    ["nko" ] = "n'ko",
+    ["nld" ] = "dutch",
+    ["noe" ] = "nimadi",
+    ["nog" ] = "nogai",
+    ["nor" ] = "norwegian",
+    ["nov" ] = "novial",
+    ["nsm" ] = "northern sami",
+    ["nso" ] = "sotho, northern",
+    ["nta" ] = "northern tai",
+    ["nto" ] = "esperanto",
+    ["nym" ] = "nyamwezi",
+    ["nyn" ] = "norwegian nynorsk",
+    ["oci" ] = "occitan",
+    ["ocr" ] = "oji-cree",
+    ["ojb" ] = "ojibway",
+    ["ori" ] = "odia",
+    ["oro" ] = "oromo",
+    ["oss" ] = "ossetian",
+    ["paa" ] = "palestinian aramaic",
+    ["pag" ] = "pangasinan",
+    ["pal" ] = "pali",
+    ["pam" ] = "pampangan",
+    ["pan" ] = "punjabi",
+    ["pap" ] = "palpa",
+    ["pap0"] = "papiamentu",
+    ["pas" ] = "pashto",
+    ["pau" ] = "palauan",
+    ["pcc" ] = "bouyei",
+    ["pcd" ] = "picard",
+    ["pdc" ] = "pennsylvania german",
+    ["pgr" ] = "polytonic greek",
+    ["phk" ] = "phake",
+    ["pih" ] = "norfolk",
+    ["pil" ] = "filipino",
+    ["plg" ] = "palaung",
+    ["plk" ] = "polish",
+    ["pms" ] = "piemontese",
+    ["pnb" ] = "western panjabi",
+    ["poh" ] = "pocomchi",
+    ["pon" ] = "pohnpeian",
+    ["pro" ] = "provencal",
+    ["ptg" ] = "portuguese",
+    ["pwo" ] = "western pwo karen",
+    ["qin" ] = "chin",
+    ["quc" ] = "k’iche’",
+    ["quh" ] = "quechua (bolivia)",
+    ["quz" ] = "quechua",
+    ["qvi" ] = "quechua (ecuador)",
+    ["qwh" ] = "quechua (peru)",
+    ["raj" ] = "rajasthani",
+    ["rar" ] = "rarotongan",
+    ["rbu" ] = "russian buriat",
+    ["rcr" ] = "r-cree",
+    ["rej" ] = "rejang",
+    ["ria" ] = "riang",
+    ["rif" ] = "tarifit",
+    ["rit" ] = "ritarungo",
+    ["rkw" ] = "arakwal",
+    ["rms" ] = "romansh",
+    ["rmy" ] = "vlax romani",
+    ["rom" ] = "romanian",
+    ["roy" ] = "romany",
+    ["rsy" ] = "rusyn",
+    ["rtm" ] = "rotuman",
+    ["rua" ] = "kinyarwanda",
+    ["run" ] = "rundi",
+    ["rup" ] = "aromanian",
+    ["rus" ] = "russian",
+    ["sad" ] = "sadri",
+    ["san" ] = "sanskrit",
+    ["sas" ] = "sasak",
+    ["sat" ] = "santali",
+    ["say" ] = "sayisi",
+    ["scn" ] = "sicilian",
+    ["sco" ] = "scots",
+    ["sek" ] = "sekota",
+    ["sel" ] = "selkup",
+    ["sga" ] = "old irish",
+    ["sgo" ] = "sango",
+    ["sgs" ] = "samogitian",
+    ["shi" ] = "tachelhit",
+    ["shn" ] = "shan",
+    ["sib" ] = "sibe",
+    ["sid" ] = "sidamo",
+    ["sig" ] = "silte gurage",
+    ["sks" ] = "skolt sami",
+    ["sky" ] = "slovak",
+    ["sla" ] = "slavey",
+    ["slv" ] = "slovenian",
+    ["sml" ] = "somali",
+    ["smo" ] = "samoan",
+    ["sna" ] = "sena",
+    ["sna0"] = "shona",
+    ["snd" ] = "sindhi",
+    ["snh" ] = "sinhala (sinhalese)",
+    ["snk" ] = "soninke",
+    ["sog" ] = "sodo gurage",
+    ["sop" ] = "songe",
+    ["sot" ] = "sotho, southern",
+    ["sqi" ] = "albanian",
+    ["srb" ] = "serbian",
+    ["srd" ] = "sardinian",
+    ["srk" ] = "saraiki",
+    ["srr" ] = "serer",
+    ["ssl" ] = "south slavey",
+    ["ssm" ] = "southern sami",
+    ["stq" ] = "saterland frisian",
+    ["suk" ] = "sukuma",
+    ["sun" ] = "sundanese",
+    ["sur" ] = "suri",
+    ["sva" ] = "svan",
+    ["sve" ] = "swedish",
+    ["swa" ] = "swadaya aramaic",
+    ["swk" ] = "swahili",
+    ["swz" ] = "swati",
+    ["sxt" ] = "sutu",
+    ["sxu" ] = "upper saxon",
+    ["syl" ] = "sylheti",
+    ["syr" ] = "syriac",
+    ["szl" ] = "silesian",
+    ["tab" ] = "tabasaran",
+    ["taj" ] = "tajiki",
+    ["tam" ] = "tamil",
+    ["tat" ] = "tatar",
+    ["tcr" ] = "th-cree",
+    ["tdd" ] = "dehong dai",
+    ["tel" ] = "telugu",
+    ["tet" ] = "tetum",
+    ["tgl" ] = "tagalog",
+    ["tgn" ] = "tongan",
+    ["tgr" ] = "tigre",
+    ["tgy" ] = "tigrinya",
+    ["tha" ] = "thai",
+    ["tht" ] = "tahitian",
+    ["tib" ] = "tibetan",
+    ["tiv" ] = "tiv",
+    ["tkm" ] = "turkmen",
+    ["tmh" ] = "tamashek",
+    ["tmn" ] = "temne",
+    ["tna" ] = "tswana",
+    ["tne" ] = "tundra nenets",
+    ["tng" ] = "tonga",
+    ["tod" ] = "todo",
+    ["tod0"] = "toma",
+    ["tpi" ] = "tok pisin",
+    ["trk" ] = "turkish",
+    ["tsg" ] = "tsonga",
+    ["tua" ] = "turoyo aramaic",
+    ["tul" ] = "tulu",
+    ["tuv" ] = "tuvin",
+    ["tvl" ] = "tuvalu",
+    ["twi" ] = "twi",
+    ["tyz" ] = "tày",
+    ["tzm" ] = "tamazight",
+    ["tzo" ] = "tzotzil",
+    ["udm" ] = "udmurt",
+    ["ukr" ] = "ukrainian",
+    ["umb" ] = "umbundu",
+    ["urd" ] = "urdu",
+    ["usb" ] = "upper sorbian",
+    ["uyg" ] = "uyghur",
+    ["uzb" ] = "uzbek",
+    ["vec" ] = "venetian",
+    ["ven" ] = "venda",
+    ["vit" ] = "vietnamese",
+    ["vol" ] = "volapük",
+    ["vro" ] = "võro",
+    ["wa"  ] = "wa",
+    ["wag" ] = "wagdi",
+    ["war" ] = "waray-waray",
+    ["wcr" ] = "west-cree",
+    ["wel" ] = "welsh",
+    ["wlf" ] = "wolof",
+    ["wln" ] = "walloon",
+    ["xbd" ] = "lü",
+    ["xhs" ] = "xhosa",
+    ["xjb" ] = "minjangbal",
+    ["xog" ] = "soga",
+    ["xpe" ] = "kpelle (liberia)",
+    ["yak" ] = "sakha",
+    ["yao" ] = "yao",
+    ["yap" ] = "yapese",
+    ["yba" ] = "yoruba",
+    ["ycr" ] = "y-cree",
+    ["yic" ] = "yi classic",
+    ["yim" ] = "yi modern",
+    ["zea" ] = "zealandic",
+    ["zgh" ] = "standard morrocan tamazigh",
+    ["zha" ] = "zhuang",
+    ["zhh" ] = "chinese, hong kong sar",
+    ["zhp" ] = "chinese phonetic",
+    ["zhs" ] = "chinese simplified",
+    ["zht" ] = "chinese traditional",
+    ["znd" ] = "zande",
+    ["zul" ] = "zulu",
+    ["zza" ] = "zazaki",
+} --[[ [languages] ]]
 
 local features = {
-    ['aalt'] = 'access all alternates',
-    ['abvf'] = 'above-base forms',
-    ['abvm'] = 'above-base mark positioning',
-    ['abvs'] = 'above-base substitutions',
-    ['afrc'] = 'alternative fractions',
-    ['akhn'] = 'akhands',
-    ['blwf'] = 'below-base forms',
-    ['blwm'] = 'below-base mark positioning',
-    ['blws'] = 'below-base substitutions',
-    ['c2pc'] = 'petite capitals from capitals',
-    ['c2sc'] = 'small capitals from capitals',
-    ['calt'] = 'contextual alternates',
-    ['case'] = 'case-sensitive forms',
-    ['ccmp'] = 'glyph composition/decomposition',
-    ['cjct'] = 'conjunct forms',
-    ['clig'] = 'contextual ligatures',
-    ['cpsp'] = 'capital spacing',
-    ['cswh'] = 'contextual swash',
-    ['curs'] = 'cursive positioning',
-    ['dflt'] = 'default processing',
-    ['dist'] = 'distances',
-    ['dlig'] = 'discretionary ligatures',
-    ['dnom'] = 'denominators',
-    ['dtls'] = 'dotless forms', -- math
-    ['expt'] = 'expert forms',
-    ['falt'] = 'final glyph alternates',
-    ['fin2'] = 'terminal forms #2',
-    ['fin3'] = 'terminal forms #3',
-    ['fina'] = 'terminal forms',
-    ['flac'] = 'flattened accents over capitals', -- math
-    ['frac'] = 'fractions',
-    ['fwid'] = 'full width',
-    ['half'] = 'half forms',
-    ['haln'] = 'halant forms',
-    ['halt'] = 'alternate half width',
-    ['hist'] = 'historical forms',
-    ['hkna'] = 'horizontal kana alternates',
-    ['hlig'] = 'historical ligatures',
-    ['hngl'] = 'hangul',
-    ['hojo'] = 'hojo kanji forms',
-    ['hwid'] = 'half width',
-    ['init'] = 'initial forms',
-    ['isol'] = 'isolated forms',
-    ['ital'] = 'italics',
-    ['jalt'] = 'justification alternatives',
-    ['jp04'] = 'jis2004 forms',
-    ['jp78'] = 'jis78 forms',
-    ['jp83'] = 'jis83 forms',
-    ['jp90'] = 'jis90 forms',
-    ['kern'] = 'kerning',
-    ['lfbd'] = 'left bounds',
-    ['liga'] = 'standard ligatures',
-    ['ljmo'] = 'leading jamo forms',
-    ['lnum'] = 'lining figures',
-    ['locl'] = 'localized forms',
-    ['mark'] = 'mark positioning',
-    ['med2'] = 'medial forms #2',
-    ['medi'] = 'medial forms',
-    ['mgrk'] = 'mathematical greek',
-    ['mkmk'] = 'mark to mark positioning',
-    ['mset'] = 'mark positioning via substitution',
-    ['nalt'] = 'alternate annotation forms',
-    ['nlck'] = 'nlc kanji forms',
-    ['nukt'] = 'nukta forms',
-    ['numr'] = 'numerators',
-    ['onum'] = 'old style figures',
-    ['opbd'] = 'optical bounds',
-    ['ordn'] = 'ordinals',
-    ['ornm'] = 'ornaments',
-    ['palt'] = 'proportional alternate width',
-    ['pcap'] = 'petite capitals',
-    ['pnum'] = 'proportional figures',
-    ['pref'] = 'pre-base forms',
-    ['pres'] = 'pre-base substitutions',
-    ['pstf'] = 'post-base forms',
-    ['psts'] = 'post-base substitutions',
-    ['pwid'] = 'proportional widths',
-    ['qwid'] = 'quarter widths',
-    ['rand'] = 'randomize',
-    ['rkrf'] = 'rakar forms',
-    ['rlig'] = 'required ligatures',
-    ['rphf'] = 'reph form',
-    ['rtbd'] = 'right bounds',
-    ['rtla'] = 'right-to-left alternates',
-    ['rtlm'] = 'right to left math', -- math
-    ['ruby'] = 'ruby notation forms',
-    ['salt'] = 'stylistic alternates',
-    ['sinf'] = 'scientific inferiors',
-    ['size'] = 'optical size',
-    ['smcp'] = 'small capitals',
-    ['smpl'] = 'simplified forms',
- -- ['ss01'] = 'stylistic set 1',
- -- ['ss02'] = 'stylistic set 2',
- -- ['ss03'] = 'stylistic set 3',
- -- ['ss04'] = 'stylistic set 4',
- -- ['ss05'] = 'stylistic set 5',
- -- ['ss06'] = 'stylistic set 6',
- -- ['ss07'] = 'stylistic set 7',
- -- ['ss08'] = 'stylistic set 8',
- -- ['ss09'] = 'stylistic set 9',
- -- ['ss10'] = 'stylistic set 10',
- -- ['ss11'] = 'stylistic set 11',
- -- ['ss12'] = 'stylistic set 12',
- -- ['ss13'] = 'stylistic set 13',
- -- ['ss14'] = 'stylistic set 14',
- -- ['ss15'] = 'stylistic set 15',
- -- ['ss16'] = 'stylistic set 16',
- -- ['ss17'] = 'stylistic set 17',
- -- ['ss18'] = 'stylistic set 18',
- -- ['ss19'] = 'stylistic set 19',
- -- ['ss20'] = 'stylistic set 20',
-    ['ssty'] = 'script style', -- math
-    ['subs'] = 'subscript',
-    ['sups'] = 'superscript',
-    ['swsh'] = 'swash',
-    ['titl'] = 'titling',
-    ['tjmo'] = 'trailing jamo forms',
-    ['tnam'] = 'traditional name forms',
-    ['tnum'] = 'tabular figures',
-    ['trad'] = 'traditional forms',
-    ['twid'] = 'third widths',
-    ['unic'] = 'unicase',
-    ['valt'] = 'alternate vertical metrics',
-    ['vatu'] = 'vattu variants',
-    ['vert'] = 'vertical writing',
-    ['vhal'] = 'alternate vertical half metrics',
-    ['vjmo'] = 'vowel jamo forms',
-    ['vkna'] = 'vertical kana alternates',
-    ['vkrn'] = 'vertical kerning',
-    ['vpal'] = 'proportional alternate vertical metrics',
-    ['vrt2'] = 'vertical rotation',
-    ['zero'] = 'slashed zero',
-
-    ['trep'] = 'traditional tex replacements',
-    ['tlig'] = 'traditional tex ligatures',
-
-    ['ss..'] = 'stylistic set ..',
-    ['cv..'] = 'character variant ..',
-    ['js..'] = 'justification ..',
+    ["aalt"] = "access all alternates",
+    ["abvf"] = "above-base forms",
+    ["abvm"] = "above-base mark positioning",
+    ["abvs"] = "above-base substitutions",
+    ["afrc"] = "alternative fractions",
+    ["akhn"] = "akhands",
+    ["blwf"] = "below-base forms",
+    ["blwm"] = "below-base mark positioning",
+    ["blws"] = "below-base substitutions",
+    ["c2pc"] = "petite capitals from capitals",
+    ["c2sc"] = "small capitals from capitals",
+    ["calt"] = "contextual alternates",
+    ["case"] = "case-sensitive forms",
+    ["ccmp"] = "glyph composition/decomposition",
+    ["cfar"] = "conjunct form after ro",
+    ["cjct"] = "conjunct forms",
+    ["clig"] = "contextual ligatures",
+    ["cpct"] = "centered cjk punctuation",
+    ["cpsp"] = "capital spacing",
+    ["cswh"] = "contextual swash",
+    ["curs"] = "cursive positioning",
+    ["dflt"] = "default processing",
+    ["dist"] = "distances",
+    ["dlig"] = "discretionary ligatures",
+    ["dnom"] = "denominators",
+    ["dtls"] = "dotless forms", -- math
+    ["expt"] = "expert forms",
+    ["falt"] = "final glyph alternates",
+    ["fin2"] = "terminal forms #2",
+    ["fin3"] = "terminal forms #3",
+    ["fina"] = "terminal forms",
+    ["flac"] = "flattened accents over capitals", -- math
+    ["frac"] = "fractions",
+    ["fwid"] = "full width",
+    ["half"] = "half forms",
+    ["haln"] = "halant forms",
+    ["halt"] = "alternate half width",
+    ["hist"] = "historical forms",
+    ["hkna"] = "horizontal kana alternates",
+    ["hlig"] = "historical ligatures",
+    ["hngl"] = "hangul",
+    ["hojo"] = "hojo kanji forms",
+    ["hwid"] = "half width",
+    ["init"] = "initial forms",
+    ["isol"] = "isolated forms",
+    ["ital"] = "italics",
+    ["jalt"] = "justification alternatives",
+    ["jp04"] = "jis2004 forms",
+    ["jp78"] = "jis78 forms",
+    ["jp83"] = "jis83 forms",
+    ["jp90"] = "jis90 forms",
+    ["kern"] = "kerning",
+    ["lfbd"] = "left bounds",
+    ["liga"] = "standard ligatures",
+    ["ljmo"] = "leading jamo forms",
+    ["lnum"] = "lining figures",
+    ["locl"] = "localized forms",
+    ["ltra"] = "left-to-right alternates",
+    ["ltrm"] = "left-to-right mirrored forms",
+    ["mark"] = "mark positioning",
+    ["med2"] = "medial forms #2",
+    ["medi"] = "medial forms",
+    ["mgrk"] = "mathematical greek",
+    ["mkmk"] = "mark to mark positioning",
+    ["mset"] = "mark positioning via substitution",
+    ["nalt"] = "alternate annotation forms",
+    ["nlck"] = "nlc kanji forms",
+    ["nukt"] = "nukta forms",
+    ["numr"] = "numerators",
+    ["onum"] = "old style figures",
+    ["opbd"] = "optical bounds",
+    ["ordn"] = "ordinals",
+    ["ornm"] = "ornaments",
+    ["palt"] = "proportional alternate width",
+    ["pcap"] = "petite capitals",
+    ["pkna"] = "proportional kana",
+    ["pnum"] = "proportional figures",
+    ["pref"] = "pre-base forms",
+    ["pres"] = "pre-base substitutions",
+    ["pstf"] = "post-base forms",
+    ["psts"] = "post-base substitutions",
+    ["pwid"] = "proportional widths",
+    ["qwid"] = "quarter widths",
+    ["rand"] = "randomize",
+    ["rclt"] = "required contextual alternates",
+    ["rkrf"] = "rakar forms",
+    ["rlig"] = "required ligatures",
+    ["rphf"] = "reph form",
+    ["rtbd"] = "right bounds",
+    ["rtla"] = "right-to-left alternates",
+    ["rtlm"] = "right to left math", -- math
+    ["ruby"] = "ruby notation forms",
+    ["salt"] = "stylistic alternates",
+    ["sinf"] = "scientific inferiors",
+    ["size"] = "optical size",
+    ["smcp"] = "small capitals",
+    ["smpl"] = "simplified forms",
+ -- ["ss01"] = "stylistic set 1",
+ -- ["ss02"] = "stylistic set 2",
+ -- ["ss03"] = "stylistic set 3",
+ -- ["ss04"] = "stylistic set 4",
+ -- ["ss05"] = "stylistic set 5",
+ -- ["ss06"] = "stylistic set 6",
+ -- ["ss07"] = "stylistic set 7",
+ -- ["ss08"] = "stylistic set 8",
+ -- ["ss09"] = "stylistic set 9",
+ -- ["ss10"] = "stylistic set 10",
+ -- ["ss11"] = "stylistic set 11",
+ -- ["ss12"] = "stylistic set 12",
+ -- ["ss13"] = "stylistic set 13",
+ -- ["ss14"] = "stylistic set 14",
+ -- ["ss15"] = "stylistic set 15",
+ -- ["ss16"] = "stylistic set 16",
+ -- ["ss17"] = "stylistic set 17",
+ -- ["ss18"] = "stylistic set 18",
+ -- ["ss19"] = "stylistic set 19",
+ -- ["ss20"] = "stylistic set 20",
+    ["ssty"] = "script style", -- math
+    ["stch"] = "stretching glyph decomposition",
+    ["subs"] = "subscript",
+    ["sups"] = "superscript",
+    ["swsh"] = "swash",
+    ["titl"] = "titling",
+    ["tjmo"] = "trailing jamo forms",
+    ["tnam"] = "traditional name forms",
+    ["tnum"] = "tabular figures",
+    ["trad"] = "traditional forms",
+    ["twid"] = "third widths",
+    ["unic"] = "unicase",
+    ["valt"] = "alternate vertical metrics",
+    ["vatu"] = "vattu variants",
+    ["vert"] = "vertical writing",
+    ["vhal"] = "alternate vertical half metrics",
+    ["vjmo"] = "vowel jamo forms",
+    ["vkna"] = "vertical kana alternates",
+    ["vkrn"] = "vertical kerning",
+    ["vpal"] = "proportional alternate vertical metrics",
+    ["vrt2"] = "vertical rotation",
+    ["zero"] = "slashed zero",
+
+    ["trep"] = "traditional tex replacements",
+    ["tlig"] = "traditional tex ligatures",
+
+    ["ss.."] = "stylistic set ..",
+    ["cv.."] = "character variant ..",
+    ["js.."] = "justification ..",
 
     ["dv.."] = "devanagari ..",
-}
+    ["ml.."] = "malayalam ..",
+} --[[ [features] ]]
 
 local baselines = {
-    ['hang'] = 'hanging baseline',
-    ['icfb'] = 'ideographic character face bottom edge baseline',
-    ['icft'] = 'ideographic character face tope edige baseline',
-    ['ideo'] = 'ideographic em-box bottom edge baseline',
-    ['idtp'] = 'ideographic em-box top edge baseline',
-    ['math'] = 'mathmatical centered baseline',
-    ['romn'] = 'roman baseline'
-}
+    ["hang"] = "hanging baseline",
+    ["icfb"] = "ideographic character face bottom edge baseline",
+    ["icft"] = "ideographic character face tope edige baseline",
+    ["ideo"] = "ideographic em-box bottom edge baseline",
+    ["idtp"] = "ideographic em-box top edge baseline",
+    ["math"] = "mathematical centered baseline",
+    ["romn"] = "roman baseline"
+} --[[ [baselines] ]]
 
 local swapped = function (h)
     local r = { }
@@ -946,20 +1147,26 @@ local utfchar = unicode.utf8.char
 local otf = handlers and handlers.otf --- filled in later during initialization
 
 local normalized = {
-    substitution = "substitution",
-    single       = "substitution",
-    ligature     = "ligature",
-    alternate    = "alternate",
-    multiple     = "multiple",
-    kern         = "kern",
+    substitution      = "substitution",
+    single            = "substitution",
+    ligature          = "ligature",
+    alternate         = "alternate",
+    multiple          = "multiple",
+    kern              = "kern",
+    pair              = "pair",
+    chainsubstitution = "chainsubstitution",
+    chainposition     = "chainposition",
 }
 
 local types = {
-    substitution = "gsub_single",
-    ligature     = "gsub_ligature",
-    alternate    = "gsub_alternate",
-    multiple     = "gsub_multiple",
-    kern         = "gpos_pair",
+    substitution      = "gsub_single",
+    ligature          = "gsub_ligature",
+    alternate         = "gsub_alternate",
+    multiple          = "gsub_multiple",
+    kern              = "gpos_pair",
+    pair              = "gpos_pair",
+    chainsubstitution = "gsub_contextchain",
+    chainposition     = "gpos_contextchain",
 }
 
 setmetatableindex(types, function(t,k) t[k] = k return k end) -- "key"
@@ -967,7 +1174,7 @@ setmetatableindex(types, function(t,k) t[k] = k return k end) -- "key"
 --- stop locals for addfeature()
 
 local everywhere = { ["*"] = { ["*"] = true } } -- or: { ["*"] = { "*" } }
-local noflags = { }
+local noflags = { false, false, false, false }
 
 local tohash = table.tohash