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local export = {}

	[[Unsupported titles]], pages with high memory usage,
	extraction modules and part-of-speech names are listed
	at [[Module:links/data]].

	Other modules used:
		[[Module:script utilities]]
		[[Module:languages]] and its submodules
		[[Module:gender and number]]
local m_str_utils = require("Модул:string utilities")
local pron_qualifier_module = "Модул:pron qualifier"

local anchorEncode = mw.uri.anchorEncode
local concat = table.concat
local decode_entities = m_str_utils.decode_entities
local decode_uri = m_str_utils.decode_uri
local find = string.find
local encode_entities = require("Модул:string/encode entities") -- Can't yet replace, as the [[Module:string utilities]] version no longer has automatic double-encoding prevention, which requires changes here to account for.
local insert = table.insert
local match = string.match
local new_title = mw.title.new
local remove = table.remove
local shallowcopy = require("Модул:table").shallowcopy
local split = m_str_utils.split
local sub = string.sub
local toNFC = mw.ustring.toNFC
local trim -- defined below
local ulower = m_str_utils.lower
local umatch = m_str_utils.match
local unstrip = mw.text.unstrip
local u = m_str_utils.char

local function track(page, code)
	local tracking_page = "links/" .. page
	if code then
		require("Модул:debug/track"){tracking_page, tracking_page .. "/" .. code}
	return true

	local _trim = m_str_utils.trim
	-- Unconditionally trimmed charset.
	local always_trim =
		"\194\128-\194\159" ..			-- U+0080-009F (C1 control characters)
		"\194\173" ..					-- U+00AD (soft hyphen)
		"\226\128\170-\226\128\174" ..	-- U+202A-202E (directionality formatting characters)
		"\226\129\166-\226\129\169"		-- U+2066-2069 (directionality formatting characters)
	-- Standard trimmed charset.
	local standard_trim = "%s" ..		-- (default whitespace charset)
		"\226\128\139-\226\128\141" ..	-- U+200B-200D (zero-width spaces)
	-- If there are non-whitespace characters, trim all characters in `standard_trim`.
	-- Otherwise, only trim the characters in `always_trim`.
	trim = function(text)
		if text == "" then
			return text
		local trimmed = _trim(text, standard_trim)
		if trimmed ~= "" then
			return trimmed
		return _trim(text, always_trim)

local function escape(text, str)
	local rep
		text, rep = text:gsub("\\\\(\\*" .. str .. ")", "\5%1")
	until rep == 0
	return (text:gsub("\\" .. str, "\6"))

local function unescape(text, str)
	return (text
		:gsub("\5", "\\")
		:gsub("\6", str))

-- Remove bold, italics, soft hyphens, strip markers and HTML tags.
local function remove_formatting(str)
	str = str
		:gsub("('*)'''(.-'*)'''", "%1%2")
		:gsub("('*)''(.-'*)''", "%1%2")
		:gsub("­", "")
	return (unstrip(str)
		:gsub("<[^<>]+>", ""))

--[==[Takes an input and splits on a double slash (taking account of escaping backslashes).]==]
function export.split_on_slashes(text)
	text = split(escape(text, "//"), "//", true) or {}
	for i, v in ipairs(text) do
		text[i] = unescape(v, "//")
		if v == "" then
			text[i] = false
	return text

-- Does the work of export.get_fragment, but can be called directly to avoid unnecessary checks for embedded links.
local function get_fragment(text)
	text = escape(text, "#")
	-- Replace numeric character references with the corresponding character (&#29; → '),
	-- as they contain #, which causes the numeric character reference to be
	-- misparsed (wa'a → wa&#29;a → pagename wa&, fragment 29;a).
	text = decode_entities(text)
	local target, fragment = text:match("^(..-)#(.+)$")
	target = target or text
	target = unescape(target, "#")
	fragment = fragment and unescape(fragment, "#")
	return target, fragment

--[==[Takes a link target and outputs the actual target and the fragment (if any).]==]
function export.get_fragment(text)
	-- If there are no embedded links, process input.
	local open = find(text, "[[", 1, true)
	if not open then
		return get_fragment(text)
	local close = find(text, "]]", open + 2, true)
	if not close then
		return get_fragment(text)
	-- If there is one, but it's redundant (i.e. encloses everything with no pipe), remove and process.
	elseif open == 1 and close == #text - 1 and not find(text, "|", 3, true) then
		return get_fragment(sub(text, 3, -3))
	-- Otherwise, return the input.
	return text

local pos_tags
function export.get_link_page(target, lang, sc, plain)
	if not target then
		return nil
	target = remove_formatting(target)

	-- Check if the target is an interwiki link.
	if target:match(":") and target ~= ":" then
		-- If this is an a link to another namespace or an interwiki link, ensure there's an initial colon and then return what we have (so that it works as a conventional link, and doesn't do anything weird like add the term to a category.)
		local prefix = target:gsub("^:*(.-):.*", ulower)
		if (
			mw.loadData("Модул:data/namespaces")[prefix] or
		) then
			return ":" .. target:gsub("^:+", ""), nil, {}
		-- Convert any escaped colons
		target = target:gsub("\\:", ":")

	-- Check if the term is reconstructed and remove any asterisk. Otherwise, handle the escapes.
	local reconstructed, escaped
	if not plain then
		target, reconstructed = target:gsub("^%*(.)", "%1")
	target, escaped = target:gsub("^(\\-)\\%*", "%1*")

	if not require("Модул:utilities").check_object("script", true, sc) or sc:getCode() == "None" then
		sc = lang:findBestScript(target)

	-- Remove carets if they are used to capitalize parts of transliterations (unless they have been escaped).
	if (not sc:hasCapitalization()) and sc:isTransliterated() and target:match("%^") then
		target = escape(target, "^")
			:gsub("%^", "")
		target = unescape(target, "^")

	-- Get the entry name for the language.
	target = lang:makeEntryName(target, sc)

	-- If the link contains unexpanded template parameters, then don't create a link.
	if target:find("{{{") then
		return nil

	if target:sub(1, 1) == "/" then
		return ":" .. target

	elseif target:find("^Reconstruction:") then
		return target

	-- Link to appendix for reconstructed terms and terms in appendix-only languages. Plain links interpret * literally, however.
	elseif reconstructed == 1 then
		if lang:getFullCode() == "und" then
			return nil
			target = "Reconstruction:" .. lang:getFullName() .. "/" .. target
	-- Reconstructed languages and substrates require an initial *.
	elseif lang:hasType("reconstructed") or lang:getFamilyCode() == "qfa-sub" then
		local check = target:match("^:*([^:]*):")
		check = check and ulower(check)
		if (
			mw.loadData("Модул:data/namespaces")[check] or
		) then
			return target
			error("The specified language " .. lang:getCanonicalName()
				.. " is unattested, while the given word is not marked with '*' to indicate that it is reconstructed.")

	elseif lang:hasType("appendix-constructed") then
		target = "Додатак:" .. lang:getFullName() .. "/" .. target

	return target, escaped > 0

-- Make a link from a given link's parts
local function make_link(link, lang, sc, id, isolated, plain, cats, no_alt_ast)
	-- Convert percent encoding to plaintext.
	link.target = decode_uri(link.target, "PATH")
	link.fragment = link.fragment and decode_uri(link.fragment, "PATH")
	-- Find fragments (if one isn't already set).
	-- Prevents {{l|en|word#Etymology 2|word}} from linking to [[word#Etymology 2#English]].
	-- # can be escaped as \#.
	if link.target and link.fragment == nil then
		link.target, link.fragment = get_fragment(link.target)

	-- Create a default display form.
	local auto_display = link.target
	-- Process the target
	local escaped
	link.target, escaped = export.get_link_page(link.target, lang, sc, plain)

	-- If the display is the target and the reconstruction * has been escaped, remove the escaping backslash.
	if escaped then
		auto_display = auto_display:gsub("\\([^\\]*%*)", "%1", 1)
	-- Process the display form.
	if link.display then
		local orig_display = link.display
		link.display = lang:makeDisplayText(link.display, sc, true)
		if cats then
			auto_display = lang:makeDisplayText(auto_display, sc)
			-- If the alt text is the same as what would have been automatically generated, then the alt parameter is redundant (e.g. {{l|en|foo|foo}}, {{l|en|w:foo|foo}}, but not {{l|en|w:foo|w:foo}}).
			-- If they're different, but the alt text could have been entered as the term parameter without it affecting the target page, then the target parameter is redundant (e.g. {{l|ru|фу|фу́}}).
			-- If `no_alt_ast` is true, use pcall to catch the error which will be thrown if this is a reconstructed lang and the alt text doesn't have *.
			if link.display == auto_display then
				insert(cats, lang:getFullName() .. " links with redundant alt parameters")
				local ok, check
				if no_alt_ast then
					ok, check = pcall(export.get_link_page, orig_display, lang, sc, plain)
					ok = true
					check = export.get_link_page(orig_display, lang, sc, plain)
				if ok and link.target == check then
					insert(cats, lang:getFullName() .. " links with redundant target parameters")
		link.display = lang:makeDisplayText(auto_display, sc)
	if not link.target then
		return link.display
	-- If the target is the same as the current page, there is no sense id
	-- and either the language code is "und" or the current L2 is the current
	-- language then return a "self-link" like the software does.
	if not id and link.target == mw.title.getCurrentTitle().prefixedText and (
		lang:getFullCode() == "und" or
		require("Модул:utilities").get_current_L2() == lang:getCanonicalName()
	) then
		return tostring(mw.html.create("strong")

	-- Add fragment. Do not add a section link to "Undetermined", as such sections do not exist and are invalid.
	-- TabbedLanguages handles links without a section by linking to the "last visited" section, but adding
	-- "Undetermined" would break that feature. For localized prefixes that make syntax error, please use the
	-- format: ["xyz"] = true.
	local prefix = link.target:match("^:*([^:]+):")
	prefix = prefix and ulower(prefix)

	if prefix ~= "category" and not (prefix and mw.loadData("Модул:data/interwikis")[prefix]) then
		if (link.fragment or link.target:find("#$")) and not plain then
			track("fragment", lang:getFullCode())
			if cats then
				insert(cats, lang:getFullName() .. " links with manual fragments")

		if (not link.fragment) and lang:getFullCode() ~= "und" then
			if id then
				link.fragment = require("Модул:senseid").anchor(lang, id)
			elseif not (link.target:find("^Appendix:") or link.target:find("^Reconstruction:") or plain) then
				link.fragment = lang:getFullName()
		elseif plain and id then
			link.fragment = id
	-- Put inward-facing square brackets around a link to isolated spacing character(s).
	if isolated and #link.display > 0 and not umatch(decode_entities(link.display), "%S") then
		link.display = "&#x5D;" .. link.display .. "&#x5B;"

	link.target = link.target:gsub("^(:?)(.*)", function(m1, m2)
		return m1 .. encode_entities(m2, "#%&+/:<=>@[\\]_{|}")
	link.fragment = link.fragment and encode_entities(remove_formatting(link.fragment), "#%&+/:<=>@[\\]_{|}")

	return "[[" .. link.target .. (link.fragment and "#" .. link.fragment or "") .. "|" .. link.display .. "]]"

-- Split a link into its parts
local function parse_link(linktext)
	local link = {target = linktext}

	local target = link.target
	link.target, link.display = target:match("^(..-)|(.+)$")
	if not link.target then
		link.target = target
		link.display = target

	-- There's no point in processing these, as they aren't real links.
	local target_lower = link.target:lower()
	for _, false_positive in ipairs({"category", "cat", "file", "image"}) do
		if target_lower:match("^" .. false_positive .. ":") then return nil end

	link.display = decode_entities(link.display)
	link.target, link.fragment = get_fragment(link.target)

	-- So that make_link does not look for a fragment again.
	if not link.fragment then
		link.fragment = false

	return link

-- Find embedded links and ensure they link to the correct section.
local function process_embedded_links(text, data, plain)
	-- Process the non-linked text.
	text = data.lang:makeDisplayText(text, data.sc[1], true)

	-- If the text begins with * and another character, then act as if each link begins with *. However, don't do this if the * is contained within a link at the start. E.g. `|*[[foo]]` would set all_reconstructed to true, while `|[[*foo]]` would not.
	local all_reconstructed = false
	if not plain then
		-- anchorEncode removes links etc.
		if anchorEncode(text):sub(1, 1) == "*" then
			all_reconstructed = true
		-- Otherwise, handle any escapes.
		text = text:gsub("^(\\-)\\%*", "%1*")

	if data.alt then
		mw.log("(from Module:links)", "text with embedded wikilinks:", text,
			"ignored alt:", data.alt, "lang:", data.lang:getFullCode())
		if data.cats then
			insert(data.cats, data.lang:getFullName() .. " links with ignored alt parameters")
	if data.id then
		mw.log("(from Module:links)", "text with embedded wikilinks:", text,
			"ignored id:", data.id, "lang:", data.lang:getFullCode())
		if data.cats then
			insert(data.cats, data.lang:getFullName() .. " links with ignored id parameters")

	local function process_link(space1, linktext, space2)
		local capture = "[[" .. linktext .. "]]"

		local link = parse_link(linktext)

		--Return unprocessed false positives untouched (e.g. categories).
		if not link then return capture end

		if all_reconstructed and not link.target:find("^%*") then
			link.target = "*" .. link.target

		linktext = make_link(link, data.lang, data.sc, data.id, false, plain)
			:gsub("^%[%[", "\3")
			:gsub("%]%]$", "\4")

		return space1 .. linktext .. space2

	-- Use chars 1 and 2 as temporary substitutions, so that we can use charsets. These are converted to chars 3 and 4 by process_link, which means we can convert any remaining chars 1 and 2 back to square brackets (i.e. those not part of a link).
	text = text
		:gsub("%[%[", "\1")
		:gsub("%]%]", "\2")
	-- If the script uses ^ to capitalize transliterations, make sure that any carets preceding links are on the inside, so that they get processed with the following text.
	if text:match("%^") and not data.sc:hasCapitalization() and data.sc:isTransliterated() then
		text = escape(text, "^")
			:gsub("%^\1", "\1%^")
		text = unescape(text, "^")
	text = text:gsub("\1(%s*)([^\1\2]-)(%s*)\2", process_link)

	-- Remove the extra * at the beginning of a language link if it's immediately followed by a link whose display begins with * too.
	if all_reconstructed then
		text = text:gsub("^%*\3([^|\1-\4]+)|%*", "\3%1|*")

	return (text
		:gsub("[\1\3]", "[[")
		:gsub("[\2\4]", "]]"))

local function handle_redundant_wikilink(data)
	local text = data.term
	if ( -- Filters out anything but "[[...]]" with no intermediate "[[" or "]]".
		not match(text, "^()%[%[") or -- Faster than sub(text, 1, 2) ~= "[[".
		find(text, "[[", 3, true) or
		find(text, "]]", 3, true) ~= #text - 1
	) then
	text = sub(text, 3, -3)
	-- A pipe at the start of an embedded link is treated as part of the target (e.g. [[|foo]]: "|foo").
	-- FIXME: This should be handled via a proper escape sequence.
	local pipe = find(text, "|", 2, true)
	local term = pipe and sub(text, 1, pipe - 1) or text
	local title = new_title(term)
	if title then
		local namespace = title.namespace
		-- Categories and files are false-positives.
		if namespace == 6 or namespace == 14 then
	data.term, data.alt = term, pipe and pipe ~= #text and sub(text, pipe + 1) or nil
	if data.cats then
		insert(data.cats, data.lang:getFullName() .. " links with redundant wikilinks")

--[==[Creates a basic link to the given term. It links to the language section (such as <code>==English==</code>), but it does not add language and script wrappers, so any code that uses this function should call the <code class="n">[[Module:script utilities#tag_text|tag_text]]</code> from [[Module:script utilities]] to add such wrappers itself at some point.
The first argument, <code class="n">data</code>, may contain the following items, a subset of the items used in the <code class="n">data</code> argument of <code class="n">full_link</code>. If any other items are included, they are ignored.
{ {
	term = entry_to_link_to,
	alt = link_text_or_displayed_text,
	lang = language_object,
	id = sense_id,
} }
; <code class="n">term</code>
: Text to turn into a link. This is generally the name of a page. The text can contain wikilinks already embedded in it. These are processed individually just like a single link would be. The <code class="n">alt</code> argument is ignored in this case.
; <code class="n">alt</code> (''optional'')
: The alternative display for the link, if different from the linked page. If this is {{code|lua|nil}}, the <code class="n">text</code> argument is used instead (much like regular wikilinks). If <code class="n">text</code> contains wikilinks in it, this argument is ignored and has no effect. (Links in which the alt is ignored are tracked with the tracking template {{whatlinkshere|tracking=links/alt-ignored}}.)
; <code class="n">lang</code>
: The [[Module:languages#Language objects|language object]] for the term being linked. If this argument is defined, the function will determine the language's canonical name (see [[Template:language data documentation]]), and point the link or links in the <code class="n">term</code> to the language's section of an entry, or to a language-specific senseid if the <code class="n">id</code> argument is defined.
; <code class="n">id</code> (''optional'')
: Sense id string. If this argument is defined, the link will point to a language-specific sense id ({{ll|en|identifier|id=HTML}}) created by the template {{temp|senseid}}. A sense id consists of the language's canonical name, a hyphen (<code>-</code>), and the string that was supplied as the <code class="n">id</code> argument. This is useful when a term has more than one sense in a language. If the <code class="n">term</code> argument contains wikilinks, this argument is ignored. (Links in which the sense id is ignored are tracked with the tracking template {{whatlinkshere|tracking=links/id-ignored}}.)
The second argument is as follows:
; <code class="n">allow_self_link</code>
: If {{code|lua|true}}, the function will also generate links to the current page. The default ({{code|lua|false}}) will not generate a link but generate a bolded "self link" instead.
The following special options are processed for each link (both simple text and with embedded wikilinks):
* The target page name will be processed to generate the correct entry name. This is done by the [[Module:languages#makeEntryName|makeEntryName]] function in [[Module:languages]], using the <code class="n">entry_name</code> replacements in the language's data file (see [[Template:language data documentation]] for more information). This function is generally used to automatically strip dictionary-only diacritics that are not part of the normal written form of a language.
* If the text starts with <code class="n">*</code>, then the term is considered a reconstructed term, and a link to the Reconstruction: namespace will be created. If the text contains embedded wikilinks, then <code class="n">*</code> is automatically applied to each one individually, while preserving the displayed form of each link as it was given. This allows linking to phrases containing multiple reconstructed terms, while only showing the * once at the beginning.
* If the text starts with <code class="n">:</code>, then the link is treated as "raw" and the above steps are skipped. This can be used in rare cases where the page name begins with <code class="n">*</code> or if diacritics should not be stripped. For example:
** {{temp|l|en|*nix}} links to the nonexistent page [[Reconstruction:English/nix]] (<code class="n">*</code> is interpreted as a reconstruction), but {{temp|l|en|:*nix}} links to [[*nix]].
** {{temp|l|sl|Franche-Comté}} links to the nonexistent page [[Franche-Comte]] (<code>é</code> is converted to <code>e</code> by <code class="n">makeEntryName</code>), but {{temp|l|sl|:Franche-Comté}} links to [[Franche-Comté]].]==]
function export.language_link(data)
	if type(data) ~= "table" then
		error("The first argument to the function language_link must be a table. See Module:links/documentation for more information.")
	-- Do we have a redundant wikilink? If so, remove it.
	elseif data.term then
	-- Nothing to process, return nil.
	elseif not data.alt then
		return nil
	local text = data.term
	-- If we don't have a script, get one.
	if not data.sc then
		data.sc = data.lang:findBestScript(data.alt or text)
	-- Do we have embedded wikilinks? If so, they need to be processed individually.
	if text then
		local open = find(text, "[[", 1, true)
		if open and find(text, "]]", open + 2, true) then
			return process_embedded_links(text, data)
	-- If not, make a link using the parameters.
	text = text and trim(text)
	data.alt = data.alt and trim(data.alt)
	return make_link({target = text, display = data.alt, fragment = data.fragment}, data.lang, data.sc, data.id, true, nil, data.cats, data.no_alt_ast)

function export.plain_link(data)
	if type(data) ~= "table" then
		error("The first argument to the function language_link must be a table. See Module:links/documentation for more information.")
	-- Do we have a redundant wikilink? If so, remove it.
	elseif data.term then
	-- Only have alt (or nothing), just return it.
		return data.alt
	-- Make sure the language is "und".
	local lang = data.lang
	if not lang or lang:getCode() ~= "und" then
		data.lang = require("Модул:languages").getByCode("und")
	local text = data.term
	-- If we don't have a script, get one.
	if not data.sc then
		data.sc = require("Модул:scripts").findBestScriptWithoutLang(data.alt or text)
	-- Do we have embedded wikilinks? If so, they need to be processed individually.
	local open = find(text, "[[", 1, true)
	if open and find(text, "]]", open + 2, true) then
		return process_embedded_links(text, data)
	-- If not, make a link using the parameters.
	text = trim(text)
	data.alt = data.alt and trim(data.alt)
	return make_link({target = text, display = data.alt, fragment = data.fragment}, data.lang, data.sc, data.id, true, true)

--[==[Replace any links with links to the correct section, but don't link the whole text if no embedded links are found. Returns the display text form.]==]
function export.embedded_language_links(data)
	if type(data) ~= "table" then
		error("The first argument to the function language_link must be a table. See Module:links/documentation for more information.")

	local text = data.term
	-- If we don't have a script, get one.
	if not data.sc then
		data.sc = data.lang:findBestScript(text)
	-- Do we have embedded wikilinks? If so, they need to be processed individually.
	local open = find(text, "[[", 1, true)
	if open and find(text, "]]", open + 2, true) then
		return process_embedded_links(text, data)
	-- If not, return the display text.
	text = trim(text)
	-- FIXME: Double-escape any percent-signs, because we don't want to treat non-linked text as having percent-encoded characters. This is a hack: percent-decoding should come out of [[Module:languages]] and only dealt with in this module, as it's specific to links.
	text = text:gsub("%%", "%%25")
	return (data.lang:makeDisplayText(text, data.sc, true))

function export.mark(text, item_type, face, lang)
	local tag = { "", "" }

	if item_type == "gloss" then
		tag = { '<span class="mention-gloss-double-quote">“</span><span class="mention-gloss">',
			'</span><span class="mention-gloss-double-quote">”</span>' }
	elseif item_type == "tr" then
		if face == "term" then
			tag = { '<span lang="' .. lang:getFullCode() .. '" class="tr mention-tr Latn">',
				'</span>' }
			tag = { '<span lang="' .. lang:getFullCode() .. '" class="tr Latn">', '</span>' }
	elseif item_type == "ts" then
		-- \226\129\160 = word joiner (zero-width non-breaking space) U+2060
		tag = { '<span class="ts mention-ts Latn">/\226\129\160', '\226\129\160/</span>' }
	elseif item_type == "pos" then
		tag = { '<span class="ann-pos">', '</span>' }
	elseif item_type == "annotations" then
		tag = { '<span class="mention-gloss-paren annotation-paren">(</span>',
			'<span class="mention-gloss-paren annotation-paren">)</span>' }

	if type(text) == "string" then
		return tag[1] .. text .. tag[2]
		return ""

--[==[Formats the annotations that are displayed with a link created by {{code|lua|full_link}}. Annotations are the extra bits of information that are displayed following the linked term, and include things such as gender, transliteration, gloss and so on. 
* The first argument is a table possessing some or all of the following keys:
*:; <code class="n">genders</code>
*:: Table containing a list of gender specifications in the style of [[Module:gender and number]].
*:; <code class="n">tr</code>
*:: Transliteration.
*:; <code class="n">gloss</code>
*:: Gloss that translates the term in the link, or gives some other descriptive information.
*:; <code class="n">pos</code>
*:: Part of speech of the linked term. If the given argument matches one of the templates in [[:Category:Part of speech tags]], then call that to show a part-of-speech tag. Otherwise, just show the given text as it is.
*:; <code class="n">lit</code>
*:: Literal meaning of the term, if the usual meaning is figurative or idiomatic.
*:Any of the above values can be omitted from the <code class="n">info</code> argument. If a completely empty table is given (with no annotations at all), then an empty string is returned.
* The second argument is a string. Valid values are listed in [[Module:script utilities/data]] "data.translit" table.]==]
function export.format_link_annotations(data, face)
	local output = {}

	-- Interwiki link
	if data.interwiki then
		insert(output, data.interwiki)

	-- Genders
	if type(data.genders) ~= "table" then
		data.genders = { data.genders }

	if data.genders and #data.genders > 0 then
		local m_gen = require("Модул:gender and number")
		insert(output, "&nbsp;" .. m_gen.format_list(data.genders, data.lang))

	local annotations = {}

	-- Transliteration and transcription
	if data.tr and data.tr[1] or data.ts and data.ts[1] then
		local kind
		if face == "term" then
			kind = face
			kind = "default"

		if data.tr[1] and data.ts[1] then
				require("Модул:script utilities").tag_translit(data.tr[1], data.lang, kind)
				.. " " .. export.mark(data.ts[1], "ts"))
		elseif data.ts[1] then
			insert(annotations, export.mark(data.ts[1], "ts"))
				require("Модул:script utilities").tag_translit(data.tr[1], data.lang, kind))

	-- Gloss/translation
	if data.gloss then
		insert(annotations, export.mark(data.gloss, "gloss"))

	-- Part of speech
	if data.pos then
		-- debug category for pos= containing transcriptions
		if data.pos:find("/[^><]*/") then
			data.pos = data.pos .. "[[Категорија:links likely containing transcriptions in pos]]"

		pos_tags = pos_tags or mw.loadData("Модул:links/data").pos_tags
		insert(annotations, export.mark(pos_tags[data.pos] or data.pos, "pos"))

	-- Literal/sum-of-parts meaning
	if data.lit then
		insert(annotations, "literally " .. export.mark(data.lit, "gloss"))

	if #annotations > 0 then
		insert(output, " " .. export.mark(concat(annotations, ", "), "annotations"))

	return concat(output)

-- Add any left or right regular or accent qualifiers, labels or references to a formatted term. `data` is the object
-- specifying the term, which should optionally contain:
-- * a language object in `lang`; required if any accent qualifiers or labels are given;
-- * left regular qualifiers in `q` (an array of strings or a single string); an empty array or blank string will be
--   ignored;
-- * right regular qualifiers in `qq` (an array of strings or a single string); an empty array or blank string will be
--   ignored;
-- * left accent qualifiers in `a` (an array of strings); an empty array will be ignored;
-- * right accent qualifiers in `aa` (an array of strings); an empty array will be ignored;
-- * left labels in `l` (an array of strings); an empty array will be ignored;
-- * right labels in `ll` (an array of strings); an empty array will be ignored;
-- * references in `refs`, an array either of strings (formatted reference text) or objects containing fields `text`
--   (formatted reference text) and optionally `name` and/or `group`.
-- `formatted` is the formatted version of the term itself.
local function add_qualifiers_and_refs_to_term(data, formatted)
	local q = data.q
	if type(q) == "string" then
		q = {q}
	local qq = data.qq
	if type(qq) == "string" then
		qq = {qq}
	if q and q[1] or qq and qq[1] or data.a and data.a[1] or data.aa and data.aa[1] or data.l and data.l[1] or
		data.ll and data.ll[1] or data.refs and data.refs[1] then
		formatted = require(pron_qualifier_module).format_qualifiers {
			lang = data.lang,
			text = formatted,
			q = q,
			qq = qq,
			a = data.a,
			aa = data.aa,
			l = data.l,
			ll = data.ll,
			refs = data.refs,

	return formatted

--[==[Creates a full link, with annotations (see <code class="n">[[#format_link_annotations|format_link_annotations]]</code>), in the style of {{temp|l}} or {{temp|m}}.
The first argument, <code class="n">data</code>, must be a table. It contains the various elements that can be supplied as parameters to {{temp|l}} or {{temp|m}}:
{ {
	term = entry_to_link_to,
	alt = link_text_or_displayed_text,
	lang = language_object,
	sc = script_object,
	track_sc = boolean,
	fragment = link_fragment
	id = sense_id,
	genders = { "gender1", "gender2", ... },
	tr = transliteration,
	ts = transcription,
	gloss = gloss,
	pos = part_of_speech_tag,
	lit = literal_translation,
	no_alt_ast = boolean,
	accel = {accelerated_creation_tags},
	interwiki = interwiki,
	q = { "left_qualifier1", "left_qualifier2", ...} or "left_qualifier",
	qq = { "right_qualifier1", "right_qualifier2", ...} or "right_qualifier",
	refs = { "formatted_ref1", "formatted_ref2", ...} or { {text = "text", name = "name", group = "group"}, ... },
} }
Any one of the items in the <code class="n">data</code> table may be {{code|lua|nil}}, but an error will be shown if neither <code class="n">term</code> nor <code class="n">alt</code> nor <code class="n">tr</code> is present.
Thus, calling {{code|lua|2=full_link{ term = term, lang = lang, sc = sc } }}, where <code class="n">term</code> is an entry name, <code class="n">lang</code>  is a [[Module:languages#Language objects|language object]] from [[Module:languages]], and <code class="n">sc</code> is a [[Module:scripts#Script objects|script object]] from [[Module:scripts]], will give a plain link similar to the one produced by the template {{temp|l}}, and calling {{code|lua|2=full_link( { term = term, lang = lang, sc = sc }, "term" )}} will give a link similar to the one produced by the template {{temp|m}}.
The function will:
* Try to determine the script, based on the characters found in the term or alt argument, if the script was not given. If a script is given and <code class="n">track_sc</code> is {{code|lua|true}}, it will check whether the input script is the same as the one which would have been automatically generated and add the category [[:Category:Terms with redundant script codes]] if yes, or [[:Category:Terms with non-redundant manual script codes]] if no. This should be used when the input script object is directly determined by a template's <code class="n">sc=</code> parameter.
* Call <code class="n">[[#language_link|language_link]]</code> on the term or alt forms, to remove diacritics in the page name, process any embedded wikilinks and create links to Reconstruction or Appendix pages when necessary.
* Call <code class="n">[[Module:script utilities#tag_text]]</code> to add the appropriate language and script tags to the term, and to italicize terms written in the Latin script if necessary. Accelerated creation tags, as used by [[WT:ACCEL]], are included.
* Generate a transliteration, based on the alt or term arguments, if the script is not Latin and no transliteration was provided.
* Add the annotations (transliteration, gender, gloss etc.) after the link.
* If <code class="n">no_alt_ast</code> is specified, then the alt text does not need to contain an asterisk if the language is reconstructed. This should only be used by modules which really need to allow links to reconstructions that don't display asterisks (e.g. number boxes).
* If <code class="n">show_qualifiers</code> is specified, left and right qualifiers and references will be displayed. (This is for compatibility reasons, since a fair amount of code stores qualifiers and/or references in these fields and displays them itself, expecting {{code|lua|full_link()}} to ignore them.]==]
function export.full_link(data, face, allow_self_link, show_qualifiers)
	-- Prevent data from being destructively modified.
	local data = shallowcopy(data)

	if type(data) ~= "table" then
		error("The first argument to the function full_link must be a table. "
			.. "See Module:links/documentation for more information.")

	local terms = {true}

	-- Generate multiple forms if applicable.
	for _, param in ipairs{"term", "alt"} do
		if type(data[param]) == "string" and data[param]:find("//") then
			data[param] = export.split_on_slashes(data[param])
		elseif type(data[param]) == "string" and not (type(data.term) == "string" and data.term:find("//")) then
			data[param] = data.lang:generateForms(data[param])
			data[param] = {}

	for _, param in ipairs{"sc", "tr", "ts"} do
		data[param] = {data[param]}

	for _, param in ipairs{"term", "alt", "sc", "tr", "ts"} do
		for i in pairs(data[param]) do
			terms[i] = true
	-- Create the link
	local output = {}
	data.cats = {}
	local link = ""
	local annotations

	for i in ipairs(terms) do
		-- Is there any text to show?
		if (data.term[i] or data.alt[i]) then
			-- Try to detect the script if it was not provided
			local display_term = data.alt[i] or data.term[i]
			local best = data.lang:findBestScript(display_term)
			if (
				best:getCode() == "None" and
				require("Модул:scripts").findBestScriptWithoutLang(display_term):getCode() ~= "None"
			) then
				insert(data.cats, data.lang:getFullName() .. " terms in nonstandard scripts")
			if not data.sc[i] then
				data.sc[i] = best
			-- Track uses of sc parameter.
			elseif data.track_sc then
				if data.sc[i]:getCode() == best:getCode() then
					insert(data.cats, data.lang:getFullName() .. " terms with redundant script codes")
					insert(data.cats, data.lang:getFullName() .. " terms with non-redundant manual script codes")

			-- If using a discouraged character sequence, add to maintenance category
			if data.sc[i]:hasNormalizationFixes() == true then
				if (data.term[i] and data.sc[i]:fixDiscouragedSequences(toNFC(data.term[i])) ~= toNFC(data.term[i])) or (data.alt[i] and data.sc[i]:fixDiscouragedSequences(toNFC(data.alt[i])) ~= toNFC(data.alt[i])) then
					insert(data.cats, "Pages using discouraged character sequences")

			local class = ""

			-- Encode certain characters to avoid various delimiter-related issues at various stages. We need to encode < and >
			-- because they end up forming part of CSS class names inside of <span ...> and will interfere with finding the end
			-- of the HTML tag. I first tried converting them to URL encoding, i.e. %3C and %3E; they then appear in the URL as
			-- %253C and %253E, which get mapped back to %3C and %3E when passed to [[Module:accel]]. But mapping them to &lt;
			-- and &gt; somehow works magically without any further work; they appear in the URL as < and >, and get passed to
			-- [[Module:accel]] as < and >. I have no idea who along the chain of calls is doing the encoding and decoding. If
			-- someone knows, please modify this comment appropriately!
			local encode_accel_char_map = {
				["%"] = ".",
				[" "] = "_",
				["_"] = TEMP_UNDERSCORE,
				["<"] = "&lt;",
				[">"] = "&gt;",
			local function encode_accel_param_chars(param)
				local retval = param:gsub("[% <>_]", encode_accel_char_map) -- discard second return value
				return retval

			local function encode_accel_param(prefix, param)
				if not param then
					return ""
				if type(param) == "table" then
					local filled_params = {}
					-- There may be gaps in the sequence, especially for translit params.
					local maxindex = 0
					for k, v in pairs(param) do
						if type(k) == "number" and k > maxindex then
							maxindex = k
					for i=1,maxindex do
						filled_params[i] = param[i] or ""
					-- [[Module:accel]] splits these up again.
					param = concat(filled_params, "*~!")
				-- This is decoded again by [[WT:ACCEL]].
				return prefix .. encode_accel_param_chars(param)

			if data.accel then
				local form = data.accel.form and encode_accel_param_chars(data.accel.form) .. "-form-of" or ""
				local gender = encode_accel_param("gender-", data.accel.gender)
				local pos = encode_accel_param("pos-", data.accel.pos)
				local translit = encode_accel_param("transliteration-",
					data.accel.translit or (data.tr[i] ~= "-" and data.tr[i] or nil))
				local target = encode_accel_param("target-", data.accel.target)
				local lemma = encode_accel_param("origin-", data.accel.lemma)
				local lemma_translit = encode_accel_param("origin_transliteration-", data.accel.lemma_translit)
				local no_store = data.accel.no_store and "form-of-nostore" or ""

				local accel =
					form .. " " ..
					gender .. " " ..
					pos .. " " ..
					translit .. " " ..
					target .. " " ..
					lemma .. " " ..
					lemma_translit .. " " ..
					no_store .. " "

				class = "form-of lang-" .. data.lang:getFullCode() .. " " .. accel

			-- Only make a link if the term has been given, otherwise just show the alt text without a link
			local term_data = {
				term = data.term[i],
				alt = data.alt[i],
				lang = data.lang,
				sc = data.sc[i],
				fragment = data.fragment,
				id = data.id,
				genders = data.genders,
				tr = data.tr[i],
				ts = data.ts[i],
				gloss = data.gloss,
				pos = data.pos,
				lit = data.lit,
				accel = data.accel,
				interwiki = data.interwiki,
				cats = data.cats,
				no_alt_ast = data.no_alt_ast
			link = require("Модул:script utilities").tag_text(
				data.term[i] and export.language_link(term_data)
				or data.alt[i], data.lang, data.sc[i], face, class)
			--[[	No term to show.
					Is there at least a transliteration we can work from?	]]
			link = require("Модул:script utilities").request_script(data.lang, data.sc[i])
			-- No link to show, and no transliteration either. Show a term request (unless it's a substrate, as they rarely take terms).
			if (link == "" or (not data.tr[i]) or data.tr[i] == "-") and data.lang:getFamilyCode() ~= "qfa-sub" then
				-- If there are multiple terms, break the loop instead.
				if i > 1 then
				elseif mw.title.getCurrentTitle().nsText ~= "Шаблон" then
					insert(data.cats, data.lang:getFullName() .. " term requests")
				link = "<small>[Терм?]</small>"
		insert(output, link)
		if i < #terms then insert(output, "<span class=\"Zsym mention\" style=\"font-size:100%;\">/</span>") end

	-- TODO: Currently only handles the first transliteration, pending consensus on how to handle multiple translits for multiple forms, as this is not always desirable (e.g. traditional/simplified Chinese).
	if data.tr[1] == "" or data.tr[1] == "-" then
		data.tr[1] = nil

		local phonetic_extraction = mw.loadData("Модул:links/data").phonetic_extraction
		phonetic_extraction = phonetic_extraction[data.lang:getCode()] or phonetic_extraction[data.lang:getFullCode()]

		if phonetic_extraction then
			data.tr[1] = data.tr[1] or require(phonetic_extraction).getTranslit(export.remove_links(data.alt[1] or data.term[1]))

		elseif (data.term[1] or data.alt[1]) and data.sc[1]:isTransliterated() then
			-- Track whenever there is manual translit. The categories below like 'terms with redundant transliterations'
			-- aren't sufficient because they only work with reference to automatic translit and won't operate at all in
			-- languages without any automatic translit, like Persian and Hebrew.
			if data.tr[1] then
				track("manual-tr", data.lang:getFullCode())

			-- Try to generate a transliteration, unless transliteration has been supplied and data.no_check_redundant_translit is
			-- given. (Checking for redundant transliteration can use up significant amounts of memory so we don't want to do it
			-- if memory is tight. `no_check_redundant_translit` is currently set when called ultimately from
			-- {{multitrans|...|no-check-redundant-translit=1}}.)
			if not (data.tr[1] and data.no_check_redundant_translit) then
				local text = data.alt[1] or data.term[1]
				if not data.lang:link_tr(data.sc[1]) then
					text = export.remove_links(text, true)

				local automated_tr, tr_categories
				automated_tr, data.tr_fail, tr_categories = data.lang:transliterate(text, data.sc[1])

				if automated_tr or data.tr_fail then
					local manual_tr = data.tr[1]

					if manual_tr then
						if (export.remove_links(manual_tr) == export.remove_links(automated_tr)) and (not data.tr_fail) then
							insert(data.cats, data.lang:getFullName() .. " terms with redundant transliterations")
						elseif not data.tr_fail then
							-- Prevents Arabic root categories from flooding the tracking categories.
							if mw.title.getCurrentTitle().nsText ~= "Категорија" then
								insert(data.cats, data.lang:getFullName() .. " terms with non-redundant manual transliterations")
					if (not manual_tr) or data.lang:overrideManualTranslit(data.sc[1]) then
						data.tr[1] = automated_tr
						for _, category in ipairs(tr_categories) do
							insert(data.cats, category)

	-- Link to the transliteration entry for languages that require this
	if data.tr[1] and data.lang:link_tr(data.sc[1]) and not (data.tr[1]:match("%[%[(.-)%]%]") or data.tr_fail) then
		data.tr[1] = export.language_link{
			lang = data.lang,
			term = data.tr[1],
			sc = require("Модул:scripts").getByCode("Latn")
	elseif data.tr[1] and not (data.lang:link_tr(data.sc[1]) or data.tr_fail) then
		-- Remove the pseudo-HTML tags added by remove_links.
		data.tr[1] = data.tr[1]:gsub("</?link>", "")
	if data.tr[1] and not umatch(data.tr[1], "[^%s%p]") then data.tr[1] = nil end

	insert(output, export.format_link_annotations(data, face))

	local categories = #data.cats > 0 and require("Модул:utilities").format_categories(data.cats, data.lang, "-", nil, nil, data.sc) or ""

	output = concat(output)
	if show_qualifiers then
		output = add_qualifiers_and_refs_to_term(data, output)
	return output .. categories

--[==[Replaces all wikilinks with their displayed text, and removes any categories. This function can be invoked either from a template or from another module.
-- Strips links: deletes category links, the targets of piped links, and any double square brackets involved in links (other than file links, which are untouched). If `tag` is set, then any links removed will be given pseudo-HTML tags, which allow the substitution functions in [[Module:languages]] to properly subdivide the text in order to reduce the chance of substitution failures in modules which scrape pages like [[Module:zh-translit]].
-- FIXME: This is quite hacky. We probably want this to be integrated into [[Module:languages]], but we can't do that until we know that nothing is pushing pipe linked transliterations through it for languages which don't have link_tr set.
* <code><nowiki>[[page|displayed text]]</nowiki></code> &rarr; <code><nowiki>displayed text</nowiki></code>
* <code><nowiki>[[page and displayed text]]</nowiki></code> &rarr; <code><nowiki>page and displayed text</nowiki></code>
* <code><nowiki>[[Category:English lemmas|WORD]]</nowiki></code> &rarr; ''(nothing)'']==]
function export.remove_links(text, tag)
	if type(text) == "table" then
		text = text.args[1]

	if not text or text == "" then
		return ""

	text = text
		:gsub("%[%[", "\1")
		:gsub("%]%]", "\2")

	-- Parse internal links for the display text.
	text = text:gsub("(\1)([^\1\2]-)(\2)",
		function(c1, c2, c3)
			-- Don't remove files.
			for _, false_positive in ipairs({"file", "image"}) do
				if c2:lower():match("^" .. false_positive .. ":") then return c1 .. c2 .. c3 end
			-- Remove categories completely.
			for _, false_positive in ipairs({"category", "cat"}) do
				if c2:lower():match("^" .. false_positive .. ":") then return "" end
			-- In piped links, remove all text before the pipe, unless it's the final character (i.e. the pipe trick), in which case just remove the pipe.
			c2 = c2:match("^[^|]*|(.+)") or c2:match("([^|]+)|$") or c2
			if tag then
				return "<link>" .. c2 .. "</link>"
				return c2

	text = text
		:gsub("\1", "[[")
		:gsub("\2", "]]")

	return text

This decodes old section encodings.
For example, Norwegian_Bokm.C3.A5l → Norwegian_Bokmål.
It isn't picky about whether the section encodings represent the UTF-8 encoding
of a real Unicode character, so it will mangle section names that contain
a period followed by two uppercase hex characters. At least such section names
are probably pretty rare.

Wiktionary adds an additional id="" attribute for sections
using a legacy encoding, if it is different from the modern minimally modified attribute.
It is like percent encoding (URI or URL encoding) except with "." instead of "%".
See [[mw:Manual:$wgFragmentMode]] and the code that does the encoding at

function export.section_link(link)
	if type(link) ~= "string" then
		error("The first argument to section_link was a " .. type(link) .. ", but it should be a string.")
	link = link:gsub("_", " ")
	local target, section = link:match("(.-)#(.*)")
	if not target then
		error("The function “section_link” could not find a number sign marking a section name.")
	return export.plain_link{
		term = target,
		fragment = section,
		alt = link:gsub("#", " §&nbsp;", 1)

return export