Módulo:km-pron

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-- To do: add stress in words with >2 syllables (primary and secondary)
--- Reference: 'Research report on phonetic and phonological analysis of Khmer'
--- http://www.panl10n.net/english/Outputs%20Phase%202/CCs/Cambodia/ITC/Papers/2007/0701/phonetic-and-phonological-analysis.pdf
--- Algorithm is simple, though may be inaccurate when automatically applied to multisyllabic words, as some can be 'romanised' in dictionaries as if they are one word but have stress patterns indicating otherwise
--- e.g. [[ប្រជាប្រិយ]]

local export = {}

local gsub = mw.ustring.gsub
local find = mw.ustring.find
local match = mw.ustring.match
local len = mw.ustring.len
local pagename = mw.title.getCurrentTitle().text

local j = "្"
local c = "កខគឃងចឆជឈញដឋឌឍណតថទធនបផពភមយរលវឝឞសហឡអ"
local cMod = "៉៊"
local vIndep = "ឣឤឥឦឧឨឩឪឫឬឭឮឯឰឱឲឳ"
local vDiac = "ាិីឹឺុូួើឿៀេែៃោៅំះៈ័"
local vPost = "់"
local apos = "'"

local kmChar = "ក-៹'"
local kmString = "[" .. kmChar .. "]+"
local recessive = "[ŋɲñnmjrlʋv]"

local cCapt, cUncapt = "([" .. c .. "][" .. cMod .. "]?)", "[" .. c .. "][" .. cMod .. "]?"
local cOptCapt = "([" .. c .. "]?[" .. cMod .. "]?)"
local cCaptClus = {
	"([" .. c .. "][" .. cMod .. "]?)",
	"([" .. c .. "][" .. cMod .. "]?" .. j .. cUncapt .. ")",
	"([" .. c .. "][" .. cMod .. "]?" .. j .. cUncapt .. j .. cUncapt .. ")",
	"([" .. c .. "][" .. cMod .. "]?" .. j .. cUncapt .. j .. cUncapt .. j .. cUncapt .. ")"
}
local vCapt, vCaptB, vCaptM = "([" .. vDiac .. "])", "([" .. vDiac .. j .. "])", "([" .. vDiac .. "]*)"
local cvCapt = "([" .. c .. cMod .. vDiac .. "])"
local vPostCapt = "([" .. vPost .. "]?)"

local postInit = vCaptM .. cOptCapt .. vPostCapt .. "(" .. apos .. "?)"

local consonants = {
	["ក"] = { class = 1, ["ipa"] = { "k", "k" }, ["tc"] = { "k", "k" } },
	["ខ"] = { class = 1, ["ipa"] = { "kʰ", "k" }, ["tc"] = { "kh", "k" } },
	["គ"] = { class = 2, ["ipa"] = { "k", "k" }, ["tc"] = { "k", "k" } },
	["ឃ"] = { class = 2, ["ipa"] = { "kʰ", "k" }, ["tc"] = { "kh", "k" } },
	["ង"] = { class = 2, ["ipa"] = { "ŋ", "ŋ" }, ["tc"] = { "ng", "ng" } },
	["ង៉"] = { class = 1, ["ipa"] = { "ŋ", "ŋ" }, ["tc"] = { "ng", "ng" } },
	["ច"] = { class = 1, ["ipa"] = { "c", "c" }, ["tc"] = { "c", "c" } },
	["ឆ"] = { class = 1, ["ipa"] = { "cʰ", "c" }, ["tc"] = { "ch", "c" } },
	["ជ"] = { class = 2, ["ipa"] = { "c", "c" }, ["tc"] = { "c", "c" } },
	["ឈ"] = { class = 2, ["ipa"] = { "cʰ", "c" }, ["tc"] = { "ch", "c" } },
	["ញ"] = { class = 2, ["ipa"] = { "ɲ", "ɲ" }, ["tc"] = { "ñ", "ñ" } },
	["ញ៉"] = { class = 1, ["ipa"] = { "ɲ", "ɲ" }, ["tc"] = { "ñ", "ñ" } },
	["ដ"] = { class = 1, ["ipa"] = { "ɗ", "t" }, ["tc"] = { "d", "t" } },
	["ឋ"] = { class = 1, ["ipa"] = { "tʰ", "t" }, ["tc"] = { "th", "t" } },
	["ឌ"] = { class = 2, ["ipa"] = { "ɗ", "t" }, ["tc"] = { "d", "t" } },
	["ឍ"] = { class = 2, ["ipa"] = { "tʰ", "t" }, ["tc"] = { "th", "t" } },
	["ណ"] = { class = 1, ["ipa"] = { "n", "n" }, ["tc"] = { "n", "n" } },
	["ត"] = { class = 1, ["ipa"] = { "t", "t" }, ["tc"] = { "t", "t" } },
	["ថ"] = { class = 1, ["ipa"] = { "tʰ", "t" }, ["tc"] = { "th", "t" } },
	["ទ"] = { class = 2, ["ipa"] = { "t", "t" }, ["tc"] = { "t", "t" } },
	["ធ"] = { class = 2, ["ipa"] = { "tʰ", "t" }, ["tc"] = { "th", "t" } },
	["ន"] = { class = 2, ["ipa"] = { "n", "n" }, ["tc"] = { "n", "n" } },
	["ន៉"] = { class = 1, ["ipa"] = { "n", "n" }, ["tc"] = { "n", "n" } },
	["ប"] = { class = 1, ["ipa"] = { "ɓ", "p" }, ["tc"] = { "b", "p" } },
	["ប៉"] = { class = 1, ["ipa"] = { "p", "p" }, ["tc"] = { "p", "p" } },
	["ប៊"] = { class = 2, ["ipa"] = { "ɓ", "p" }, ["tc"] = { "b", "p" } },
	["ផ"] = { class = 1, ["ipa"] = { "pʰ", "p" }, ["tc"] = { "ph", "p" } },
	["ព"] = { class = 2, ["ipa"] = { "p", "p" }, ["tc"] = { "p", "p" } },
	["ភ"] = { class = 2, ["ipa"] = { "pʰ", "p" }, ["tc"] = { "ph", "p" } },
	["ម"] = { class = 2, ["ipa"] = { "m", "m" }, ["tc"] = { "m", "m" } },
	["ម៉"] = { class = 1, ["ipa"] = { "m", "m" }, ["tc"] = { "m", "m" } },
	["យ"] = { class = 2, ["ipa"] = { "j", "j" }, ["tc"] = { "y", "y" } },
	["យ៉"] = { class = 1, ["ipa"] = { "j", "j" }, ["tc"] = { "y", "y" } },
	["រ"] = { class = 2, ["ipa"] = { "r", "" }, ["tc"] = { "r", "" } },
	["រ៉"] = { class = 1, ["ipa"] = { "r", "" }, ["tc"] = { "r", "" } },
	["ល"] = { class = 2, ["ipa"] = { "l", "l" }, ["tc"] = { "l", "l" } },
	["ល៉"] = { class = 1, ["ipa"] = { "l", "l" }, ["tc"] = { "l", "l" } },
	["វ"] = { class = 2, ["ipa"] = { "ʋ", "w" }, ["tc"] = { "v", "w" } },
	["វ៉"] = { class = 1, ["ipa"] = { "ʋ", "w" }, ["tc"] = { "v", "w" } },
	["ឝ"] = { class = 1, ["ipa"] = { "s", "h" }, ["tc"] = { "s", "h" } },
	["ឞ"] = { class = 1, ["ipa"] = { "s", "h" }, ["tc"] = { "s", "h" } },
	["ស"] = { class = 1, ["ipa"] = { "s", "h" }, ["tc"] = { "s", "h" } },
	["ស៊"] = { class = 2, ["ipa"] = { "s", "h" }, ["tc"] = { "s", "h" } },
	["ហ"] = { class = 1, ["ipa"] = { "h", "h" }, ["tc"] = { "h", "h" } },
	["ហ៊"] = { class = 2, ["ipa"] = { "h", "h" }, ["tc"] = { "h", "h" } },
	["ឡ"] = { class = 1, ["ipa"] = { "l", "l" }, ["tc"] = { "l", "l" } },
	["អ"] = { class = 1, ["ipa"] = { "ʔ", "" }, ["tc"] = { "ʾ", "ʾ" } },
	["អ៊"] = { class = 2, ["ipa"] = { "ʔ", "" }, ["tc"] = { "ʾ", "ʾ" } },
	
	["ហគ"] = { class = 1, ["ipa"] = { "ɡ", "k" }, ["tc"] = { "g", "k" } },
	["ហគ៊"] = { class = 2, ["ipa"] = { "ɡ", "k" }, ["tc"] = { "g", "k" } },
	["ហ៊គ"] = { class = 2, ["ipa"] = { "ɡ", "k" }, ["tc"] = { "g", "k" } },
	["ហន"] = { class = 1, ["ipa"] = { "n", "" }, ["tc"] = { "n", "n" } },
	["ហម"] = { class = 1, ["ipa"] = { "m", "" }, ["tc"] = { "m", "m" } },
	["ហល"] = { class = 1, ["ipa"] = { "l", "" }, ["tc"] = { "l", "l" } },
	["ហវ"] = { class = 1, ["ipa"] = { "f", "f" }, ["tc"] = { "f", "f" } },
	["ហវ៊"] = { class = 2, ["ipa"] = { "f", "f" }, ["tc"] = { "f", "f" } },
	["ហ៊វ"] = { class = 2, ["ipa"] = { "f", "f" }, ["tc"] = { "f", "f" } },
	["ហស"] = { class = 1, ["ipa"] = { "z", "z" }, ["tc"] = { "z", "z" } },
	["ហស៊"] = { class = 2, ["ipa"] = { "z", "z" }, ["tc"] = { "z", "z" } },
	["ហ៊ស"] = { class = 2, ["ipa"] = { "z", "z" }, ["tc"] = { "z", "z" } },
	
	[""] = { class = 1, ["ipa"] = { "", "" }, ["tc"] = { "", "" } },
}

local vowels = {
	[""] = { ["ipa"] = { "ɑː", "ɔː" }, ["tc"] = { "ɑɑ", "ɔɔ" } },
	["់"] = { ["ipa"] = { "ɑ", "ŭə" }, ["tc"] = { "ɑ", "ŭə" } },
	["់2"] = { ["ipa"] = { "ɑ", "u" }, ["tc"] = { "ɑ", "u" } }, --before labial finals
	["័"] = { ["ipa"] = { "a", "ŏə" }, ["tc"] = { "a", "ŏə" } },
	["័2"] = { ["ipa"] = { "a", "ĕə" }, ["tc"] = { "a", "ĕə" } }, --before velar finals
	["័យ"] = { ["ipa"] = { "aj", "ɨj" }, ["tc"] = { "ay", "ɨy" } },
	["័រ"] = { ["ipa"] = { "", "ɔə" }, ["tc"] = { "", "ɔə" } },
	["ា"] = { ["ipa"] = { "aː", "iə" }, ["tc"] = { "aa", "iə" } },
	["ា់"] = { ["ipa"] = { "a", "ŏə" }, ["tc"] = { "a", "ŏə" } },
	["ា់2"] = { ["ipa"] = { "a", "ĕə" }, ["tc"] = { "a", "ĕə" } }, --before velar finals
	["ិ"] = { ["ipa"] = { "eʔ", "iʔ" }, ["tc"] = { "eʾ", "iʾ" } }, --glottal coda only in stressed syllables
	["ិ2"] = { ["ipa"] = { "ə", "ɨ" }, ["tc"] = { "ə", "ɨ" } }, --with non-glottal coda
	["ិយ"] = { ["ipa"] = { "əj", "iː" }, ["tc"] = { "əy", "ii" } },
	["ិះ"] = { ["ipa"] = { "eh", "ih" }, ["tc"] = { "eh", "ih" } }, --["tc"] inferred
	["ី"] = { ["ipa"] = { "əj", "iː" }, ["tc"] = { "əy", "ii" } },
	["ឹ"] = { ["ipa"] = { "ə", "ɨ" }, ["tc"] = { "ə", "ɨ" } },
	["ឹះ"] = { ["ipa"] = { "əh", "ɨh" }, ["tc"] = { "əh", "ɨh" } },
	["ឺ"] = { ["ipa"] = { "əɨ", "ɨː" }, ["tc"] = { "əɨ", "ɨɨ" } },
	["ុ"] = { ["ipa"] = { "oʔ", "uʔ" }, ["tc"] = { "oʾ", "uʾ" } }, --glottal coda only in stressed syllables
	["ុ2"] = { ["ipa"] = { "o", "u" }, ["tc"] = { "o", "u"  }}, --with non-glottal coda
	["ុះ"] = { ["ipa"] = { "oh", "uh" }, ["tc"] = { "oh", "uh" } },
	["ូ"] = { ["ipa"] = { "ou", "uː" }, ["tc"] = { "ou", "uu" } },
	["ូវ"] = { ["ipa"] = { "əw", "ɨw" }, ["tc"] = { "əw", "ɨw" } },
	["ួ"] = { ["ipa"] = { "uə", "uə" }, ["tc"] = { "uə", "uə" } },
	["ើ"] = { ["ipa"] = { "aə", "əː" }, ["tc"] = { "aə", "əə" } },
	["ើះ"] = { ["ipa"] = { "əh", "" }, ["tc"] = { "əh", "" } },
	["ឿ"] = { ["ipa"] = { "ɨə", "ɨə" }, ["tc"] = { "ɨə", "ɨə" } },
	["ៀ"] = { ["ipa"] = { "iə", "iə" }, ["tc"] = { "iə", "iə" } },
	["េ"] = { ["ipa"] = { "eː", "ei" }, ["tc"] = { "ee", "ei" } },
	["េ2"] = { ["ipa"] = { "ə", "ɨ" }, ["tc"] = { "ə", "ɨ" } }, --before palatals
	["េះ"] = { ["ipa"] = { "eh", "ih" }, ["tc"] = { "eh", "ih" } },
	["ែ"] = { ["ipa"] = { "ae", "ɛː" }, ["tc"] = { "ae", "ɛɛ" } },
	["ែះ"] = { ["ipa"] = { "eh", "" }, ["tc"] = { "eh", "" } },
	["ៃ"] = { ["ipa"] = { "aj", "ɨj" }, ["tc"] = { "ay", "ɨy" } },
	["ោ"] = { ["ipa"] = { "ao", "oː" }, ["tc"] = { "ao", "oo" } },
	["ោះ"] = { ["ipa"] = { "ɑh", "ŭəh" }, ["tc"] = { "ɑh", "ŭəh" } },
	["ៅ"] = { ["ipa"] = { "aw", "ɨw" }, ["tc"] = { "aw", "ɨw" } },
	["ុំ"] = { ["ipa"] = { "om", "um" }, ["tc"] = { "om", "um" } },
	["ំ"] = { ["ipa"] = { "ɑm", "um" }, ["tc"] = { "ɑm", "um" } },
	["ាំ"] = { ["ipa"] = { "am", "ŏəm" }, ["tc"] = { "am", "ŏəm" } },
	["ាំង"] = { ["ipa"] = { "aŋ", "ĕəŋ" }, ["tc"] = { "ang", "ĕəng" } },
	["ះ"] = { ["ipa"] = { "ah", "ĕəh" }, ["tc"] = { "ah", "ĕəh" } },
	["ៈ"] = { ["ipa"] = { "aʔ", "ĕəʔ" }, ["tc"] = { "aʾ", "ĕəʾ" } },
	["'"] = { ["ipa"] = { "ə", "ə" }, ["tc"] = { "ə", "ə" } },
}

local tl = {
	["ក"] = "k", ["ខ"] = "kʰ", ["គ"] = "g", ["ឃ"] = "gʰ", ["ង"] = "ṅ", 
	["ច"] = "c", ["ឆ"] = "cʰ", ["ជ"] = "j", ["ឈ"] = "jʰ", ["ញ"] = "ñ", 
	["ដ"] = "ṭ", ["ឋ"] = "ṭʰ", ["ឌ"] = "ḍ", ["ឍ"] = "ḍʰ", ["ណ"] = "ṇ", 
	["ត"] = "t", ["ថ"] = "tʰ", ["ទ"] = "d", ["ធ"] = "dʰ", ["ន"] = "n",
	["ប"] = "p", ["ផ"] = "pʰ", ["ព"] = "b", ["ភ"] = "bʰ", ["ម"] = "m",
	["យ"] = "y", ["រ"] = "r", ["ល"] = "l", ["វ"] = "v",
	["ឝ"] = "ś", ["ឞ"] = "ṣ", ["ស"] = "s", 
	["ហ"] = "h", ["ឡ"] = "ḷ", ["អ"] = "ʾ", 

	["ឣ"] = "a", ["ឤ"] = "ā", ["ឥ"] = "i", ["ឦ"] = "ī", 
	["ឧ"] = "u", ["ឨ"] = "🤷", ["ឩ"] = "ū", ["ឪ"] = "ýu", 
	["ឫ"] = "ṛ", ["ឬ"] = "ṝ", ["ឭ"] = "ḷ", ["ឮ"] = "ḹ", 
	["ឯ"] = "ae", ["ឰ"] = "ai", ["ឱ"] = "o", ["ឲ"] = "o", ["ឳ"] = "au",
	
	["ា"] = "ā", ["ិ"] = "i", ["ី"] = "ī", ["ឹ"] = "ẏ", ["ឺ"] = "ȳ", 
	["ុ"] = "u", ["ូ"] = "ū", ["ួ"] = "ua",
	["ើ"] = "oe", ["ឿ"] = "ẏa", ["ៀ"] = "ia", 
	["េ"] = "e", ["ែ"] = "ae", ["ៃ"] = "ai", ["ោ"] = "o", ["ៅ"] = "au", 
	["ំ"] = "ṃ", ["ះ"] = "ḥ", ["ៈ"] = "`",
	
	["៉"] = "″", ["៊"] = "′", ["់"] = "´", ["៌"] = "ŕ", ["៍"] = "̊", 
	["៎"] = "⸗", ["៏"] = "ʿ", ["័"] = "˘", ["៑"] = "̑", ["្"] = "̥",
	["៓"] = "🤷", ["។"] = "ǂ", ["៕"] = "ǁ", ["៖"] = "🤷", ["ៗ"] = "«", 
	["៘"] = "🤷", ["៙"] = "§", ["៚"] = "»", ["៛"] = "", 
	["ៜ"] = "🤷", ["៝"] = "🤷",
	
	["០"] = "0", ["១"] = "1", ["២"] = "2", ["៣"] = "3", ["៤"] = "4", 
	["៥"] = "5", ["៦"] = "6", ["៧"] = "7", ["៨"] = "8", ["៩"] = "9", 
	["៰"] = "🤷", ["៱"] = "🤷", ["៲"] = "🤷", ["៳"] = "🤷", ["៴"] = "🤷",
	["៵"] = "🤷", ["៶"] = "🤷", ["៷"] = "🤷", ["៸"] = "🤷", ["៹"] = "🤷",
}

local glottify = {
	["a"] = 1, ["aː"] = 1, ["ɑ"] = 1, ["ɑː"] = 1, ["ɔ"] = 1, ["ɔː"] = 1,
	["ĕə"] = 1, ["ŭə"] = 1, ["iə"] = 1, ["ɨə"] = 1, ["uə"] = 1
}

local err = {
	["័"] = 1, ["័រ"] = 1,
}

local ambig = {
	["k%-h"] = "k​h", ["c%-h"] = "c​h", ["t%-h"] = "t​h", ["p%-h"] = "p​h",
	["n%-g"] = "n​g",
}

function export.syllabify(text)
	text = gsub(text, "([%'់])([^,%- ])", "%1-%2")
	local seq1 = cvCapt .. cCapt .. vCaptB
	while find(text, seq1) do text = gsub(text, seq1, "%1-%2%3") end
	return text
end

function export.syl_analysis(syllable)
	for ind = 4, 1, -1 do
		if match(syllable, "^" .. cCaptClus[ind] .. postInit .. "$") then
			return match(syllable, "^" .. cCaptClus[ind] .. postInit .. "$")
		end
	end
	return nil
end

local function sylRedist(text, block)
	for word in mw.ustring.gmatch(text, "[" .. kmChar .. "%-]+") do
		local originalWord = word
		local allSyl, syls, newWord = {}, mw.text.split(word, "%-"), {}
		for sylId = 1, #syls do
			if syls[sylId] == "" then table.insert(allSyl, {})
			else
				local set = export.syl_analysis(syls[sylId])
				if not set or set == "" then return nil end
				table.insert(allSyl, { export.syl_analysis(syls[sylId]) })
				if sylId ~= 1 and allSyl[sylId - 1][3] == "" and find(allSyl[sylId][1], j) and not block then
					allSyl[sylId - 1][3], allSyl[sylId][1] =
						match(allSyl[sylId][1], "^([^" .. j .. "]+)"),
						match(allSyl[sylId][1], "^[^" .. j .. "]+" .. j .. "(.+)")
				end
				if #syls == 2 and sylId == 2 and allSyl[sylId - 1][2] .. allSyl[sylId - 1][4] == "" then
					allSyl[sylId - 1][4] = vPost
				end
			end
		end
		for sylId = 1, #syls do
			table.insert(newWord, table.concat(allSyl[sylId]))
		end
		text = gsub(text, (gsub(originalWord, "%-", "%-")), table.concat(newWord, "%-"), 1)
	end
	return text
end

local function getCons(c1Set)
	c1l, i, consSet = #c1Set, 1, {}
	while i < c1l + 1 do
		for j = 3, 1, -1 do
			local conss = i + j - 1 > c1l and "a" or table.concat(c1Set, "", i, i + j - 1)
			if consonants[conss] then
				table.insert(consSet, conss)
				i = i + j
				break
			end
			if j == 1 then return nil end
		end
	end
	return consSet
end

local function initClus(c1, mode)
	local fittest, init, cData, pos = "", {}, {}, 1
	c1 = gsub(c1, j, "")
	if consonants[c1] then
		local cData = consonants[c1]
		c1, fittest = cData[mode][pos], cData.class
	else
		local consSet = getCons(mw.text.split(c1, ""))
		if not consSet then return error("Error handling initial " .. c1 .. ".") end
		for seq, ch in ipairs(consSet) do
			local cData = consonants[ch]
			fittest = (not find(cData[mode][pos], recessive) and not find(cData[mode][pos], "ng")
				or (fittest == "" and seq == #consSet)) 
				and cData.class or fittest
			table.insert(init, cData[mode][pos])
		end
		c1 = table.concat(init)
	end
	
	c1 = gsub(c1, "[ɓb](.)", "p%1")
	c1 = gsub(c1, "[ɗd](.)", "t%1")
	if mode == "ipa" then
		c1 = gsub(c1, "p([knŋcɲdtnjls])", "pʰ%1")
		c1 = gsub(c1, "pʰ([^knŋcɲdtnjls])", "p%1")
		c1 = gsub(c1, "t([kŋnmjlʋ])", "tʰ%1")
		c1 = gsub(c1, "tʰ([^kŋnmjlʋ])", "t%1")
		c1 = gsub(c1, "k([ctnbmlʋs])", "kʰ%1")
		c1 = gsub(c1, "kʰ([^ctnbmlʋs])", "k%1")
		c1 = gsub(c1, "c([kŋnmlʋʔ])", "cʰ%1")
		c1 = gsub(c1, "cʰ([^kŋnmlʋʔ])", "c%1")
	end
	return c1, fittest
end

local function rime(v1, c2, fittest, red, mode)
	if red == apos then v1 = red end
	if vowels[v1 .. c2] then return vowels[v1 .. c2][mode][fittest] end
	c2 = consonants[c2][mode][2] or c2
	if ((v1 == "័" or v1 == "ា់") and (find(c2, "[kŋ]") or c2 == "ng")) or
		(v1 == "េ" and (find(c2, "[cɲ]") or c2 == "ñ")) or
		(v1 == "់" and find(c2, "[mp]")) or
		((v1 == "ិ" or v1 == "ុ") and c2 ~= "") then
		v1 = v1 .. "2"
	end
	v1 = vowels[v1] and vowels[v1][mode][fittest] or v1
	if (glottify[v1] and mode == "ipa") and c2 == "k" then c2 = "ʡ" end --proxy
	return v1 .. c2
end

function export.convert(text, mode, source)
	block = find(text, "%-")
	text = sylRedist(export.syllabify(text), block)
	if not text then return nil end
	
	for syllable in mw.ustring.gmatch(text, kmString) do
		local unchanged, sylStruc = syllable, {}
		local c1, v1, c2, bantak, red = export.syl_analysis(syllable)
		if not c1 then return nil end
		c1, fittest = initClus(c1, mode)
		if source == "temp" and (err[v1..c2] or err[v1]) then
			require("Module:debug").track("km-pron/error-prone finals")
		end
		v1c2 = rime(v1 .. bantak, c2, fittest, red, mode)
		if not v1c2 then return nil end
		text = gsub(text, unchanged, c1 .. v1c2, 1)
	end
	
	text = gsub(text, "(.%%%-.)", ambig)
	text = gsub(text, "%%", "")
	text = gsub(text, "%-", ".")
	text = gsub(text, "​", "-")
	text = gsub(text, "ʔ([ptkhlɲŋmnjw])", "%1")
	text = gsub(text, "ŭə%.", "ɔ.")
	text = gsub(text, "([eiou])[ʔʾ]%.", "%1.")
	text = gsub(text, "ʡ%.s", "k.s")
	text = gsub(text, "ʡ", "ʔ")
	if mode == "tc" then
		text = gsub(text, "%.%.%.", "…")
		text = gsub(text, "%.", "")
	else
		text = gsub(text, "%-", ".")
		local readings = {}
		for reading in mw.text.gsplit(text, ", ") do
			table.insert(readings, (gsub(reading, "^([^%.]+)%.([^%.]+)$", "%1.ˈ%2")))
		end
		text = table.concat(readings, ", ")
		text = gsub(text, "^([^%. ]+) ([^%. ]+)$", "%1 ˈ%2")
	end
	return text
end

local function return_error()
	return error("The entry title or respelling contains zero-space width character. Please remove it.")
end

function export.make(frame)
	local params = {
		[1] = { list = true },
		["a"] = {},
		["audio"] = { alias_of = "a" },
		["word"] = { default = pagename },
	}
	local args = require("Module:parameters").process(frame:getParent().args, params)
	local output_text, respellings, transcriptions, ipas = {}, {}, {}, {}
	
	if find(pagename, "​") then return_error() end
	if #args[1] == 0  then args[1] = { args.word } end
	for _, param in ipairs(args[1]) do
		if find(param, "​") then return_error() end
		table.insert(respellings, export.syllabify(param))
		table.insert(transcriptions, export.convert(param, "tc", "temp"))
		table.insert(ipas, export.convert(param, "ipa"))
	end
	separate = (gsub(table.concat(respellings), "[%- ]", "")) ~= args.word
	respelling = table.concat(respellings, " / ")
	
	local function row(a, b, class, lang, size)
		return "\n<tr>" .. 
			
		tostring( mw.html.create( "td" )
			:css( "padding-right", "0.8em" )
			:css( "padding-left", "0.7em" )
			:css( "font-size", "10.5pt" )
			:css( "font-family", "DejaVu Sans, sans-serif" )
			:css( "color", "#555" )
			:css( "font-weight", "bold" )
			:css( "background-color", "#F8F9F8" )
			:wikitext(a)) .. "\n" ..
		
		tostring( mw.html.create( "td" )
			:css( "padding-left", "0.8em" )
			:css( "padding-right", "0.8em" )
			:css( "padding-top", ".4em" )
			:css( "padding-bottom", ".4em" )
			:wikitext(b)) ..
		
		"</tr>"
	end
	
	local function textFormat(text, class, size, lang)
		return tostring( mw.html.create( "span" )
			:attr( "class", class or "Khmr" )
			:css( "font-size", size or (class == "IPA" and "95%" or "130%") )
			:attr( "lang", lang or (class == "IPA" and nil or "km") )
			:wikitext(text))
	end
	
	table.insert(output_text, 
	[=[{| style="margin: 0 .4em .4em .4em"
	|
	<table cellpadding=1 style="border: 1px solid #DFDFDF; text-align: center; line-height: 25pt; padding: .1em .3em .1em .3em">]=] ..

	row(separate
			and "''[[w:Khmer alphabet|Ortográfico]]''"
			or "''[[w:Khmer alphabet|Ortográfico e Fonêmico]]''", 
		textFormat(args.word) .. "<br>" .. textFormat(gsub(gsub(args.word, ".", tl), "ʰ̥", "̥ʰ"), "IPA")
	) ..
	
	(separate
		and row("''[[w:Khmer alphabet|Fonêmico]]''", 
			textFormat(respelling) .. "<br>" ..
			textFormat(gsub(gsub(respelling, ".", tl), "ʰ̥", "̥ʰ"), "IPA"))
		or "") ..
	
	row("''Romanização do km.wikt''",
		textFormat(table.concat(transcriptions, ", "), "IPA", "100%")
	) ..
	
	row(
		"(''[[w:Língua khmer|Padrão]]'') AFI" .. 
		"<sup>([[Wiktionary:Khmer romanization|chave]])</sup>",
		textFormat("/" .. table.concat(ipas, "/ ~ /") .. "/", "IPA", "110%")
	) ..
	
	(args.a 
		and row("Audio", mw.getCurrentFrame():expandTemplate{ 
			title = "Template:audio", 
			args = { args.a == "y" and "Km-" .. args.word .. ".ogg" or args.a, lang = "km" }} )
		or ""
	) ..

	"</table>\n|}" )
	
	return table.concat(output_text)
end

return export