diff options
Diffstat (limited to 'tex/context/base/lang-def.lua')
| -rw-r--r-- | tex/context/base/lang-def.lua | 932 |
1 files changed, 466 insertions, 466 deletions
diff --git a/tex/context/base/lang-def.lua b/tex/context/base/lang-def.lua index c0c3981f7..274bb8090 100644 --- a/tex/context/base/lang-def.lua +++ b/tex/context/base/lang-def.lua @@ -1,466 +1,466 @@ -if not modules then modules = { } end modules ['lang-def'] = { - version = 1.001, - comment = "companion to lang-ini.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" - -- dataonly = true, -- saves 10K -} - -local rawget = rawget -local lower = string.lower - -languages = languages or { } -local languages = languages -languages.data = languages.data or { } -local data = languages.data - -local allocate = utilities.storage.allocate -local setmetatableindex = table.setmetatableindex - --- The specifications are based on an analysis done by Arthur. The --- names of tags were changed by Hans. The data is not yet used but --- will be some day. --- --- description --- --- The description is only meant as an indication; for example 'no' is --- "Norwegian, undetermined" because that's really what it is. --- --- script --- --- This is the 4-letter script tag according to ISO 15924, the --- official standard. --- --- bibliographical and terminological --- --- Then we have *two* ISO-639 3-letter tags: one is supposed to be used --- for "bibliographical" purposes, the other for "terminological". The --- first one is quite special (and mostly used in American libraries), --- and the more interesting one is the other (apparently it's that one --- we find everywhere). --- --- context --- --- These are the ones used in ConteXt. Kind of numberplate ones. --- --- opentype --- --- This is the 3-letter OpenType language tag, obviously. --- --- variant --- --- This is actually the rfc4646: an extension of ISO-639 that also defines --- codes for variants like de-1901 for "German, 1901 orthography" or zh-Hans for --- "Chinese, simplified characters" ('Hans' is the ISO-15924 tag for --- "HAN ideographs, Simplified" :-) As I said yesterday, I think this --- should be the reference since it's exactly what we want: it's really --- standard (it's a RFC) and it's more than simply languages. To my --- knowledge this is the only system that addresses this issue. --- --- Warning: it's not unique! Because we have two "German" languages --- (and could, potentially, have two Chinese, etc.) --- --- Beware: the abbreviations are lowercased, which makes it more --- convenient to use them. --- --- todo: add default features - -local specifications = allocate { - { - ["description"] = "Dutch", - ["script"] = "latn", - -- ["bibliographical"] = "nld", - -- ["terminological"] = "nld", - ["context"] = "nl", - ["opentype"] = "nld", - ["variant"] = "nl", - }, - { - ["description"] = "Basque", - ["script"] = "latn", - ["bibliographical"] = "baq", - ["terminological"] = "eus", - ["context"] = "ba", - ["opentype"] = "euq", - ["variant"] = "eu", - }, - { - ["description"] = "Welsh", - ["script"] = "latn", - ["bibliographical"] = "wel", - ["terminological"] = "cym", - ["context"] = "cy", - ["opentype"] = "wel", - ["variant"] = "cy", - }, - { - ["description"] = "Icelandic", - ["script"] = "latn", - ["bibliographical"] = "ice", - ["terminological"] = "isl", - ["context"] = "is", - ["opentype"] = "isl", - ["variant"] = "is", - }, - { - ["description"] = "Norwegian, undetermined", - ["script"] = "latn", - ["bibliographical"] = "nor", - ["terminological"] = "nor", - ["context"] = "no", - ["variant"] = "no", - }, - { - ["description"] = "Norwegian bokmal", - ["script"] = "latn", - ["bibliographical"] = "nob", - ["terminological"] = "nob", - ["opentype"] = "nor", -- not sure! - ["variant"] = "nb", - }, - { - ["description"] = "Norwegian nynorsk", - ["script"] = "latn", - ["bibliographical"] = "nno", - ["terminological"] = "nno", - ["opentype"] = "nny", - ["variant"] = "nn", - }, - { - ["description"] = "Ancient Greek", - ["script"] = "grek", - ["bibliographical"] = "grc", - ["terminological"] = "grc", - ["context"] = "agr", - ["variant"] = "grc", - }, - { - ["description"] = "German, 1901 orthography", - ["script"] = "latn", - ["terminological"] = "deu", - ["context"] = "deo", - ["opentype"] = "deu", - ["variant"] = "de-1901", - }, - { - ["description"] = "German, 1996 orthography", - ["script"] = "latn", - ["bibliographical"] = "ger", - ["terminological"] = "deu", - ["context"] = "de", - ["opentype"] = "deu", - ["variant"] = "de-1996", - }, - { - ["description"] = "Afrikaans", - ["script"] = "latn", - ["bibliographical"] = "afr", - ["terminological"] = "afr", - ["context"] = "af", - ["opentype"] = "afk", - ["variant"] = "af", - }, - { - ["description"] = "Catalan", - ["script"] = "latn", - ["bibliographical"] = "cat", - ["terminological"] = "cat", - ["context"] = "ca", - ["opentype"] = "cat", - ["variant"] = "ca", - }, - { - ["description"] = "Czech", - ["script"] = "latn", - ["bibliographical"] = "cze", - ["terminological"] = "ces", - ["context"] = "cz", - ["opentype"] = "csy", - ["variant"] = "cs", - }, - { - ["description"] = "Greek", - ["script"] = "grek", - ["bibliographical"] = "gre", - ["terminological"] = "ell", - ["context"] = "gr", - ["opentype"] = "ell", - ["variant"] = "el", - }, - { - ["description"] = "American English", - ["script"] = "latn", - ["bibliographical"] = "eng", - ["terminological"] = "eng", - ["context"] = "us", - ["opentype"] = "eng", - ["variant"] = "en-US", - }, - { - ["description"] = "British English", - ["script"] = "latn", - ["bibliographical"] = "eng", - ["terminological"] = "eng", - ["context"] = "uk", - ["opentype"] = "eng", - ["variant"] = "en-UK", -- Could be en-GB as well ... - }, - { - ["description"] = "Spanish", - ["script"] = "latn", - ["bibliographical"] = "spa", - ["terminological"] = "spa", - ["context"] = "es", - ["opentype"] = "esp", - ["variant"] = "es", - }, - { - ["description"] = "Finnish", - ["script"] = "latn", - ["bibliographical"] = "fin", - ["terminological"] = "fin", - ["context"] = "fi", - ["opentype"] = "fin", - ["variant"] = "fi", - }, - { - ["description"] = "French", - ["script"] = "latn", - ["bibliographical"] = "fre", - ["terminological"] = "fra", - ["context"] = "fr", - ["opentype"] = "fra", - ["variant"] = "fr", - }, - { - ["description"] = "Croatian", - ["script"] = "latn", - ["bibliographical"] = "scr", - ["terminological"] = "hrv", - ["context"] = "hr", - ["opentype"] = "hrv", - ["variant"] = "hr", - }, - { - ["description"] = "Hungarian", - ["script"] = "latn", - ["bibliographical"] = "hun", - ["terminological"] = "hun", - ["context"] = "hu", - ["opentype"] = "hun", - ["variant"] = "hu", - }, - { - ["description"] = "Italian", - ["script"] = "latn", - ["bibliographical"] = "ita", - ["terminological"] = "ita", - ["context"] = "it", - ["opentype"] = "ita", - ["variant"] = "it", - }, - { - ["description"] = "Japanese", - ["script"] = "jpan", - ["bibliographical"] = "jpn", - ["terminological"] = "jpn", - ["context"] = "ja", - ["opentype"] = "jan", - ["variant"] = "ja", - }, - { - ["description"] = "Latin", - ["script"] = "latn", - ["bibliographical"] = "lat", - ["terminological"] = "lat", - ["context"] = "la", - ["opentype"] = "lat", - ["variant"] = "la", - }, - { - ["description"] = "Portuguese", - ["script"] = "latn", - ["bibliographical"] = "por", - ["terminological"] = "por", - ["context"] = "pt", - ["opentype"] = "ptg", - ["variant"] = "pt", - }, - { - ["description"] = "Polish", - ["script"] = "latn", - ["bibliographical"] = "pol", - ["terminological"] = "pol", - ["context"] = "pl", - ["opentype"] = "plk", - ["variant"] = "pl", - }, - { - ["description"] = "Romanian", - ["script"] = "latn", - ["bibliographical"] = "rum", - ["terminological"] = "ron", - ["context"] = "ro", - ["opentype"] = "rom", - ["variant"] = "ro", - }, - { - ["description"] = "Russian", - ["script"] = "cyrl", - ["bibliographical"] = "rus", - ["terminological"] = "rus", - ["context"] = "ru", - ["opentype"] = "rus", - ["variant"] = "ru", - }, - { - ["description"] = "Slovak", - ["script"] = "latn", - ["bibliographical"] = "slo", - ["terminological"] = "slk", - ["context"] = "sk", - ["opentype"] = "sky", - ["variant"] = "sk", - }, - { - ["description"] = "Slovenian", - ["script"] = "latn", - ["bibliographical"] = "slv", - ["terminological"] = "slv", - ["context"] = "sl", - ["opentype"] = "slv", - ["variant"] = "sl", - }, - { - ["description"] = "Swedish", - ["script"] = "latn", - ["bibliographical"] = "swe", - ["terminological"] = "swe", - ["context"] = "sv", - ["opentype"] = "sve", - ["variant"] = "sv", - }, - { - ["description"] = "Thai", - ["script"] = "thai", - -- ["bibliographical"] = "", - -- ["terminological"] = "", - ["context"] = "th", - ["opentype"] = "tha", - -- ["variant"] = "", - }, - { - ["description"] = "Turkish", - ["script"] = "latn", - ["bibliographical"] = "tur", - ["terminological"] = "tur", - ["context"] = "tr", - ["opentype"] = "trk", - ["variant"] = "tr", - }, - { - ["description"] = "Vietnamese", - ["script"] = "latn", - ["bibliographical"] = "vie", - ["terminological"] = "vie", - ["context"] = "vn", - ["opentype"] = "vit", - ["variant"] = "vi", - }, - { - ["description"] = "Chinese, simplified", - ["script"] = "hans", - ["opentypescript"] = "hani", - ["bibliographical"] = "chi", - ["terminological"] = "zho", - ["context"] = "cn", - ["opentype"] = "zhs", - ["variant"] = "zh-hans", - }, -} - -data.specifications = specifications - -local variants = { } data.variants = variants -local contexts = { } data.contexts = contexts -local records = { } data.records = records -local scripts = { } data.scripts = scripts -local opentypes = { } data.opentypes = opentypes -local opentypescripts = { } data.opentypescripts = opentypescripts - -for k=1,#specifications do - local specification = specifications[k] - local variant = specification.variant - if variant then - variants[lower(variant)] = specification - end - local opentype = specification.opentype - if opentype then - opentypes[lower(opentype)] = specification - end - local script = specification.script - if script then - scripts[lower(script)] = specification - end - local opentypescript = specification.opentypescript - if opentypescript then - opentypescripts[lower(opentypescript)] = specification - end - local context = context - if context then - if type(context) == "table" then - for k=1,#context do - contexts[context[k]] = specification - end - else - contexts[context] = specification - end - end -end - -local defaultvariant = variants["en-us"] - -local function get(k,key) - local v = rawget(variants,k) or rawget(opentypes,k) or rawget(contexts,k) - return v and v[key] -end - -setmetatableindex(variants, function(t,k) - k = lower(k) - local v = get(k,"language") or defaultvariant.language - t[k] = v - return v -end) - -setmetatableindex(opentypes, function(t,k) - k = lower(k) - local v = get(k,"opentype") or "dflt" - t[k] = v - return v -end) - -setmetatableindex(opentypescripts, function(t,k) - k = lower(k) - local v = get(k,"opentypescript") or get(k,"script") or defaultvariant.opentypescript or defaultvariant.script - t[k] = v - return v -end) - -setmetatableindex(contexts, function(t,k) - k = lower(str) - local v = get(k,"context") or defaultvariant.context - v = type(v) == "table" and v[1] or v - t[k] = v - return v -end) - -setmetatableindex(records, function(t,k) -- how useful is this one? - k = lower(k) - local v = get(k) or defaultvariant - t[k] = v - return v -end) - --- print(opentypes.nl,opentypescripts.nl) --- print(opentypes.de,opentypescripts.de) +if not modules then modules = { } end modules ['lang-def'] = {
+ version = 1.001,
+ comment = "companion to lang-ini.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+ -- dataonly = true, -- saves 10K
+}
+
+local rawget = rawget
+local lower = string.lower
+
+languages = languages or { }
+local languages = languages
+languages.data = languages.data or { }
+local data = languages.data
+
+local allocate = utilities.storage.allocate
+local setmetatableindex = table.setmetatableindex
+
+-- The specifications are based on an analysis done by Arthur. The
+-- names of tags were changed by Hans. The data is not yet used but
+-- will be some day.
+--
+-- description
+--
+-- The description is only meant as an indication; for example 'no' is
+-- "Norwegian, undetermined" because that's really what it is.
+--
+-- script
+--
+-- This is the 4-letter script tag according to ISO 15924, the
+-- official standard.
+--
+-- bibliographical and terminological
+--
+-- Then we have *two* ISO-639 3-letter tags: one is supposed to be used
+-- for "bibliographical" purposes, the other for "terminological". The
+-- first one is quite special (and mostly used in American libraries),
+-- and the more interesting one is the other (apparently it's that one
+-- we find everywhere).
+--
+-- context
+--
+-- These are the ones used in ConteXt. Kind of numberplate ones.
+--
+-- opentype
+--
+-- This is the 3-letter OpenType language tag, obviously.
+--
+-- variant
+--
+-- This is actually the rfc4646: an extension of ISO-639 that also defines
+-- codes for variants like de-1901 for "German, 1901 orthography" or zh-Hans for
+-- "Chinese, simplified characters" ('Hans' is the ISO-15924 tag for
+-- "HAN ideographs, Simplified" :-) As I said yesterday, I think this
+-- should be the reference since it's exactly what we want: it's really
+-- standard (it's a RFC) and it's more than simply languages. To my
+-- knowledge this is the only system that addresses this issue.
+--
+-- Warning: it's not unique! Because we have two "German" languages
+-- (and could, potentially, have two Chinese, etc.)
+--
+-- Beware: the abbreviations are lowercased, which makes it more
+-- convenient to use them.
+--
+-- todo: add default features
+
+local specifications = allocate {
+ {
+ ["description"] = "Dutch",
+ ["script"] = "latn",
+ -- ["bibliographical"] = "nld",
+ -- ["terminological"] = "nld",
+ ["context"] = "nl",
+ ["opentype"] = "nld",
+ ["variant"] = "nl",
+ },
+ {
+ ["description"] = "Basque",
+ ["script"] = "latn",
+ ["bibliographical"] = "baq",
+ ["terminological"] = "eus",
+ ["context"] = "ba",
+ ["opentype"] = "euq",
+ ["variant"] = "eu",
+ },
+ {
+ ["description"] = "Welsh",
+ ["script"] = "latn",
+ ["bibliographical"] = "wel",
+ ["terminological"] = "cym",
+ ["context"] = "cy",
+ ["opentype"] = "wel",
+ ["variant"] = "cy",
+ },
+ {
+ ["description"] = "Icelandic",
+ ["script"] = "latn",
+ ["bibliographical"] = "ice",
+ ["terminological"] = "isl",
+ ["context"] = "is",
+ ["opentype"] = "isl",
+ ["variant"] = "is",
+ },
+ {
+ ["description"] = "Norwegian, undetermined",
+ ["script"] = "latn",
+ ["bibliographical"] = "nor",
+ ["terminological"] = "nor",
+ ["context"] = "no",
+ ["variant"] = "no",
+ },
+ {
+ ["description"] = "Norwegian bokmal",
+ ["script"] = "latn",
+ ["bibliographical"] = "nob",
+ ["terminological"] = "nob",
+ ["opentype"] = "nor", -- not sure!
+ ["variant"] = "nb",
+ },
+ {
+ ["description"] = "Norwegian nynorsk",
+ ["script"] = "latn",
+ ["bibliographical"] = "nno",
+ ["terminological"] = "nno",
+ ["opentype"] = "nny",
+ ["variant"] = "nn",
+ },
+ {
+ ["description"] = "Ancient Greek",
+ ["script"] = "grek",
+ ["bibliographical"] = "grc",
+ ["terminological"] = "grc",
+ ["context"] = "agr",
+ ["variant"] = "grc",
+ },
+ {
+ ["description"] = "German, 1901 orthography",
+ ["script"] = "latn",
+ ["terminological"] = "deu",
+ ["context"] = "deo",
+ ["opentype"] = "deu",
+ ["variant"] = "de-1901",
+ },
+ {
+ ["description"] = "German, 1996 orthography",
+ ["script"] = "latn",
+ ["bibliographical"] = "ger",
+ ["terminological"] = "deu",
+ ["context"] = "de",
+ ["opentype"] = "deu",
+ ["variant"] = "de-1996",
+ },
+ {
+ ["description"] = "Afrikaans",
+ ["script"] = "latn",
+ ["bibliographical"] = "afr",
+ ["terminological"] = "afr",
+ ["context"] = "af",
+ ["opentype"] = "afk",
+ ["variant"] = "af",
+ },
+ {
+ ["description"] = "Catalan",
+ ["script"] = "latn",
+ ["bibliographical"] = "cat",
+ ["terminological"] = "cat",
+ ["context"] = "ca",
+ ["opentype"] = "cat",
+ ["variant"] = "ca",
+ },
+ {
+ ["description"] = "Czech",
+ ["script"] = "latn",
+ ["bibliographical"] = "cze",
+ ["terminological"] = "ces",
+ ["context"] = "cz",
+ ["opentype"] = "csy",
+ ["variant"] = "cs",
+ },
+ {
+ ["description"] = "Greek",
+ ["script"] = "grek",
+ ["bibliographical"] = "gre",
+ ["terminological"] = "ell",
+ ["context"] = "gr",
+ ["opentype"] = "ell",
+ ["variant"] = "el",
+ },
+ {
+ ["description"] = "American English",
+ ["script"] = "latn",
+ ["bibliographical"] = "eng",
+ ["terminological"] = "eng",
+ ["context"] = "us",
+ ["opentype"] = "eng",
+ ["variant"] = "en-US",
+ },
+ {
+ ["description"] = "British English",
+ ["script"] = "latn",
+ ["bibliographical"] = "eng",
+ ["terminological"] = "eng",
+ ["context"] = "uk",
+ ["opentype"] = "eng",
+ ["variant"] = "en-UK", -- Could be en-GB as well ...
+ },
+ {
+ ["description"] = "Spanish",
+ ["script"] = "latn",
+ ["bibliographical"] = "spa",
+ ["terminological"] = "spa",
+ ["context"] = "es",
+ ["opentype"] = "esp",
+ ["variant"] = "es",
+ },
+ {
+ ["description"] = "Finnish",
+ ["script"] = "latn",
+ ["bibliographical"] = "fin",
+ ["terminological"] = "fin",
+ ["context"] = "fi",
+ ["opentype"] = "fin",
+ ["variant"] = "fi",
+ },
+ {
+ ["description"] = "French",
+ ["script"] = "latn",
+ ["bibliographical"] = "fre",
+ ["terminological"] = "fra",
+ ["context"] = "fr",
+ ["opentype"] = "fra",
+ ["variant"] = "fr",
+ },
+ {
+ ["description"] = "Croatian",
+ ["script"] = "latn",
+ ["bibliographical"] = "scr",
+ ["terminological"] = "hrv",
+ ["context"] = "hr",
+ ["opentype"] = "hrv",
+ ["variant"] = "hr",
+ },
+ {
+ ["description"] = "Hungarian",
+ ["script"] = "latn",
+ ["bibliographical"] = "hun",
+ ["terminological"] = "hun",
+ ["context"] = "hu",
+ ["opentype"] = "hun",
+ ["variant"] = "hu",
+ },
+ {
+ ["description"] = "Italian",
+ ["script"] = "latn",
+ ["bibliographical"] = "ita",
+ ["terminological"] = "ita",
+ ["context"] = "it",
+ ["opentype"] = "ita",
+ ["variant"] = "it",
+ },
+ {
+ ["description"] = "Japanese",
+ ["script"] = "jpan",
+ ["bibliographical"] = "jpn",
+ ["terminological"] = "jpn",
+ ["context"] = "ja",
+ ["opentype"] = "jan",
+ ["variant"] = "ja",
+ },
+ {
+ ["description"] = "Latin",
+ ["script"] = "latn",
+ ["bibliographical"] = "lat",
+ ["terminological"] = "lat",
+ ["context"] = "la",
+ ["opentype"] = "lat",
+ ["variant"] = "la",
+ },
+ {
+ ["description"] = "Portuguese",
+ ["script"] = "latn",
+ ["bibliographical"] = "por",
+ ["terminological"] = "por",
+ ["context"] = "pt",
+ ["opentype"] = "ptg",
+ ["variant"] = "pt",
+ },
+ {
+ ["description"] = "Polish",
+ ["script"] = "latn",
+ ["bibliographical"] = "pol",
+ ["terminological"] = "pol",
+ ["context"] = "pl",
+ ["opentype"] = "plk",
+ ["variant"] = "pl",
+ },
+ {
+ ["description"] = "Romanian",
+ ["script"] = "latn",
+ ["bibliographical"] = "rum",
+ ["terminological"] = "ron",
+ ["context"] = "ro",
+ ["opentype"] = "rom",
+ ["variant"] = "ro",
+ },
+ {
+ ["description"] = "Russian",
+ ["script"] = "cyrl",
+ ["bibliographical"] = "rus",
+ ["terminological"] = "rus",
+ ["context"] = "ru",
+ ["opentype"] = "rus",
+ ["variant"] = "ru",
+ },
+ {
+ ["description"] = "Slovak",
+ ["script"] = "latn",
+ ["bibliographical"] = "slo",
+ ["terminological"] = "slk",
+ ["context"] = "sk",
+ ["opentype"] = "sky",
+ ["variant"] = "sk",
+ },
+ {
+ ["description"] = "Slovenian",
+ ["script"] = "latn",
+ ["bibliographical"] = "slv",
+ ["terminological"] = "slv",
+ ["context"] = "sl",
+ ["opentype"] = "slv",
+ ["variant"] = "sl",
+ },
+ {
+ ["description"] = "Swedish",
+ ["script"] = "latn",
+ ["bibliographical"] = "swe",
+ ["terminological"] = "swe",
+ ["context"] = "sv",
+ ["opentype"] = "sve",
+ ["variant"] = "sv",
+ },
+ {
+ ["description"] = "Thai",
+ ["script"] = "thai",
+ -- ["bibliographical"] = "",
+ -- ["terminological"] = "",
+ ["context"] = "th",
+ ["opentype"] = "tha",
+ -- ["variant"] = "",
+ },
+ {
+ ["description"] = "Turkish",
+ ["script"] = "latn",
+ ["bibliographical"] = "tur",
+ ["terminological"] = "tur",
+ ["context"] = "tr",
+ ["opentype"] = "trk",
+ ["variant"] = "tr",
+ },
+ {
+ ["description"] = "Vietnamese",
+ ["script"] = "latn",
+ ["bibliographical"] = "vie",
+ ["terminological"] = "vie",
+ ["context"] = "vn",
+ ["opentype"] = "vit",
+ ["variant"] = "vi",
+ },
+ {
+ ["description"] = "Chinese, simplified",
+ ["script"] = "hans",
+ ["opentypescript"] = "hani",
+ ["bibliographical"] = "chi",
+ ["terminological"] = "zho",
+ ["context"] = "cn",
+ ["opentype"] = "zhs",
+ ["variant"] = "zh-hans",
+ },
+}
+
+data.specifications = specifications
+
+local variants = { } data.variants = variants
+local contexts = { } data.contexts = contexts
+local records = { } data.records = records
+local scripts = { } data.scripts = scripts
+local opentypes = { } data.opentypes = opentypes
+local opentypescripts = { } data.opentypescripts = opentypescripts
+
+for k=1,#specifications do
+ local specification = specifications[k]
+ local variant = specification.variant
+ if variant then
+ variants[lower(variant)] = specification
+ end
+ local opentype = specification.opentype
+ if opentype then
+ opentypes[lower(opentype)] = specification
+ end
+ local script = specification.script
+ if script then
+ scripts[lower(script)] = specification
+ end
+ local opentypescript = specification.opentypescript
+ if opentypescript then
+ opentypescripts[lower(opentypescript)] = specification
+ end
+ local context = context
+ if context then
+ if type(context) == "table" then
+ for k=1,#context do
+ contexts[context[k]] = specification
+ end
+ else
+ contexts[context] = specification
+ end
+ end
+end
+
+local defaultvariant = variants["en-us"]
+
+local function get(k,key)
+ local v = rawget(variants,k) or rawget(opentypes,k) or rawget(contexts,k)
+ return v and v[key]
+end
+
+setmetatableindex(variants, function(t,k)
+ k = lower(k)
+ local v = get(k,"language") or defaultvariant.language
+ t[k] = v
+ return v
+end)
+
+setmetatableindex(opentypes, function(t,k)
+ k = lower(k)
+ local v = get(k,"opentype") or "dflt"
+ t[k] = v
+ return v
+end)
+
+setmetatableindex(opentypescripts, function(t,k)
+ k = lower(k)
+ local v = get(k,"opentypescript") or get(k,"script") or defaultvariant.opentypescript or defaultvariant.script
+ t[k] = v
+ return v
+end)
+
+setmetatableindex(contexts, function(t,k)
+ k = lower(str)
+ local v = get(k,"context") or defaultvariant.context
+ v = type(v) == "table" and v[1] or v
+ t[k] = v
+ return v
+end)
+
+setmetatableindex(records, function(t,k) -- how useful is this one?
+ k = lower(k)
+ local v = get(k) or defaultvariant
+ t[k] = v
+ return v
+end)
+
+-- print(opentypes.nl,opentypescripts.nl)
+-- print(opentypes.de,opentypescripts.de)
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