-- این پودمان به‌دقت بومی‌سازی شده‌است. هنگام به‌روزرسانی دقت کنید
local num_con = require('Module:Numeral converter').convert
local getArgs = require('Module:Arguments').getArgs

f = {
	args_default = {
		bracket_left = '',
		bracket_right = '',
		bracket_year_left = '',
		bracket_year_right = '',
		postscript = '',
		page = '',
		pages = '',
		location = '',
		page_sep = 'ص.',
		pages_sep = 'صص.',
		ref = '',
		P1 = '',
		P2 = '',
		P3 = '',
		P4 = '',
		P5 = '',
		andOthers = 'و دیگران',
		amp = 'و',
		comma = '،',
	}
}

function trim( str )
	if str == nil then
		return nil
	end
	return mw.ustring.match (str, '^%s*(.-)%s*$')
end    

local function is_year (param)
	return mw.ustring.match (param, '^%d%d%d%d?%l?$') or mw.ustring.match (param,'^n%.d%.%l?$') or mw.ustring.match (param,'^nd%l?$') or mw.ustring.match (param,'^c%. %d%d%d%d?%l?$')
end


function core( args )
	local result

	if args.P5 ~= '' then
		if is_year (args.P5) then
			result = table.concat({args.P1, ' ', args.andOthers, ' ', args.bracket_year_left, args.P5, args.bracket_year_right})
		else
			args.P5 = ''														-- when P5 not a year don't include in anchor
			result = table.concat ({args.P1, ' ', args.andOthers})						-- and don't render it
		end
	elseif args.P4 ~= '' then
		if is_year (args.P4) then
			result = table.concat ({args.P1, args.comma, ' ', args.P2, ' ', args.amp, ' ', args.P3, ' ', args.bracket_year_left, args.P4, args.bracket_year_right})	-- three names and a year
		else
			result = table.concat ({args.P1, ' ', args.andOthers})						-- four names
		end

	elseif args.P3 ~= '' then
		if is_year (args.P3) then
			result = table.concat ({args.P1, ' ', args.amp, ' ', args.P2, ' ', args.bracket_year_left, args.P3, args.bracket_year_right})	-- two names and a year
		else
			result = table.concat ({args.P1, args.comma, ' ', args.P2, ' ', args.amp, ' ', args.P3})	-- three names
		end
			
	elseif args.P2 ~= '' then
		if is_year (args.P2) then
			result = table.concat ({args.P1, ' ', args.bracket_year_left, args.P2, args.bracket_year_right})	-- one name and year
		else
			result = table.concat ({args.P1, ' ', args.amp, ' ', args.P2})				-- two names
		end
		
	else
		result = args.P1														-- one name
	end

	if ('.' == result:sub(-1)) and ('' == args.page) and ('' == args.pages) and ('' == args.location) then
		args.postscript = ''		-- prevent double periods when date is 'n.d.'
	end
	
	if args.ref ~= 'none' then
		if args.ref ~= '' then
			result = '[[#' .. mw.uri.anchorEncode(num_con("en", args.ref)) .. '|' .. result .. ']]'
		else
			result = '[[#CITEREF' .. mw.uri.anchorEncode(num_con("en", args.P1) .. num_con("en", args.P2) .. num_con("en", args.P3) .. num_con("en", args.P4) .. num_con("en", args.P5)) .. '|' .. result .. ']]'
		end
	end

	if args.page ~= '' then
		result = result .. args.comma .. ' ' .. args.page_sep .. ' ' .. args.page
	elseif args.pages ~= '' then
		result = result .. args.comma .. ' ' .. args.pages_sep .. ' ' .. args.pages
	end      

	if args.location ~= '' then
		result = result .. args.comma .. ' ' .. args.location
	end

	result = args.bracket_left .. result .. args.bracket_right .. args.postscript
	return result
end

function corefa( args )
	local result

	if args.P5 ~= '' then
		if is_year (args.P5) then
			result = table.concat({args.P1, ' ', args.andOthers, ' ', args.bracket_year_left, num_con("fa", args.P5), args.bracket_year_right})
		else
			args.P5 = ''														-- when P5 not a year don't include in anchor
			result = table.concat ({args.P1, ' ', args.andOthers})						-- and don't render it
		end
	elseif args.P4 ~= '' then
		if is_year (args.P4) then
			result = table.concat ({args.P1, args.comma, ' ', args.P2, ' ', args.amp, ' ', args.P3, ' ', args.bracket_year_left, num_con("fa", args.P4), args.bracket_year_right})	-- three names and a year
		else
			result = table.concat ({args.P1, ' ', args.andOthers})						-- four names
		end

	elseif args.P3 ~= '' then
		if is_year (args.P3) then
			result = table.concat ({args.P1, ' ', args.amp, ' ', args.P2, ' ', args.bracket_year_left, num_con("fa", args.P3), args.bracket_year_right})	-- two names and a year
		else
			result = table.concat ({args.P1, args.comma, ' ', args.P2, ' ', args.amp, ' ', args.P3})	-- three names
		end
			
	elseif args.P2 ~= '' then
		if is_year (args.P2) then
			result = table.concat ({args.P1, ' ', args.bracket_year_left, num_con("fa", args.P2), args.bracket_year_right})	-- one name and year
		else
			result = table.concat ({args.P1, ' ', args.amp, ' ', args.P2})				-- two names
		end
		
	else
		result = args.P1														-- one name
	end

	if ('.' == result:sub(-1)) and ('' == args.page) and ('' == args.pages) and ('' == args.location) then
		args.postscript = ''		-- prevent double periods when date is 'n.d.'
	end
	
	if args.ref ~= 'none' then
		if args.ref ~= '' then
			result = '[[#' .. mw.uri.anchorEncode(num_con("en", args.ref)) .. '|' .. result .. ']]'
		else
			result = '[[#CITEREF' .. mw.uri.anchorEncode(num_con("en", args.P1) .. num_con("en", args.P2) .. num_con("en", args.P3) .. num_con("en", args.P4) .. num_con("en", args.P5)) .. '|' .. result .. ']]'
		end
	end

	if args.page ~= '' then
		result = result .. args.comma .. ' ' .. args.page_sep .. ' ' .. num_con("fa", args.page)
	elseif args.pages ~= '' then
		result = result .. args.comma .. ' ' .. args.pages_sep .. ' ' .. num_con("fa", args.pages)
	end      

	if args.location ~= '' then
		result = result .. args.comma .. ' ' .. args.location
	end

	result = args.bracket_left .. result .. args.bracket_right .. args.postscript
	return result
end

function f.harvard_core( frame )
	local args = {}
	local pArgs = getArgs(frame)

	args.bracket_left = pArgs.BracketLeft or ''
	args.bracket_right = pArgs.BracketRight or ''
	args.bracket_year_left = pArgs.BracketYearLeft or ''
	args.bracket_year_right = pArgs.BracketYearRight or ''
	args.postscript = pArgs.Postscript or ''
	if 'none' == args.postscript then
		args.postscript = ''
	end

	args.page = pArgs.p or pArgs.Page or pArgs.page or pArgs['ص'] or ''
	args.pages = pArgs.pp or pArgs.Pages or pArgs.pages or pArgs['صص'] or ''
	args.location = pArgs.Location or pArgs.loc or pArgs['محل'] or ''
	args.page_sep = trim(pArgs.PageSep) or ''
	args.pages_sep = trim( pArgs.PagesSep) or ''
	args.ref = pArgs.REF or '{{{REF}}}'
	args.P1 = trim( pArgs.P1 ) or ''
	args.P2 = trim( pArgs.P2 ) or ''
	args.P3 = trim( pArgs.P3 ) or ''
	args.P4 = trim( pArgs.P4 ) or ''
	args.P5 = trim( pArgs.P5 ) or ''
	args.andOthers = trim( pArgs.AndOthers ) or 'و دیگران'
	args.amp = trim( pArgs.amp ) or 'و'
	args.comma = trim( pArgs.comma ) or '،'

	return core( args )
end


--[[--------------------------< H Y P H E N _ T O _ D A S H >--------------------------------------------------

Converts a hyphen to a dash under certain conditions.  The hyphen must separate
like items; unlike items are returned unmodified.  These forms are modified:
	letter - letter (A - B)
	digit - digit (4-5)
	digit separator digit - digit separator digit (4.1-4.5 or 4-1-4-5)
	letterdigit - letterdigit (A1-A5) (an optional separator between letter and
		digit is supported – a.1-a.5 or a-1-a-5)
	digitletter - digitletter (5a - 5d) (an optional separator between letter and
		digit is supported – 5.a-5.d or 5-a-5-d)

any other forms are returned unmodified.

str may be a comma- or semicolon-separated list

This code copied from Module:Citation/CS1.  The only modification is to require Module:Citation/CS1/Utilities
so that it has access to the functions is_set() and has_accept_as_written()

]]

local function hyphen_to_dash( str )
	local utilities = require ('پودمان:Citation/CS1/en/Utilities');				-- only modification so that this function has access to is_set() and has_accept_as_written()

	if not utilities.is_set (str) then
		return str;
	end

	local accept; -- Boolean

	str = str:gsub ('&[nm]dash;', {['&ndash;'] = '–', ['&mdash;'] = '—'});		-- replace &mdash; and &ndash; entities with their characters; semicolon mucks up the text.split
	str = str:gsub ('&#45;', '-'); -- replace HTML numeric entity with hyphen character

	str = str:gsub ('&nbsp;', ' '); -- replace &nbsp; entity with generic keyboard space character
	
	local out = {};
	local list = mw.text.split (str, '%s*[,;]%s*');								-- split str at comma or semicolon separators if there are any

	for _, item in ipairs (list) do												-- for each item in the list
		item, accept = utilities.has_accept_as_written (item);					-- remove accept-this-as-written markup when it wraps all of item
		if not accept and mw.ustring.match (item, '^%w*[%.%-]?%w+%s*[%-–—]%s*%w*[%.%-]?%w+$') then	-- if a hyphenated range or has endash or emdash separators
			if item:match ('^%a+[%.%-]?%d+%s*%-%s*%a+[%.%-]?%d+$') or			-- letterdigit hyphen letterdigit (optional separator between letter and digit)
				item:match ('^%d+[%.%-]?%a+%s*%-%s*%d+[%.%-]?%a+$') or			-- digitletter hyphen digitletter (optional separator between digit and letter)
				item:match ('^%d+[%.%-]%d+%s*%-%s*%d+[%.%-]%d+$') or			-- digit separator digit hyphen digit separator digit
				item:match ('^%d+%s*%-%s*%d+$') or								-- digit hyphen digit
				item:match ('^%a+%s*%-%s*%a+$') then							-- letter hyphen letter
					item = item:gsub ('(%w*[%.%-]?%w+)%s*%-%s*(%w*[%.%-]?%w+)', '%1–%2');	-- replace hyphen, remove extraneous space characters
			else
				item = mw.ustring.gsub (item, '%s*[–—]%s*', '–');				-- for endash or emdash separated ranges, replace em with en, remove extraneous whitespace
			end
		end
		table.insert (out, item);												-- add the (possibly modified) item to the output table
	end

	local temp_str = '';														-- concatenate the output table into a comma separated string
	temp_str, accept = utilities.has_accept_as_written (table.concat (out, ', ')); -- remove accept-this-as-written markup when it wraps all of concatenated out
	if accept then
		temp_str = utilities.has_accept_as_written (str);						-- when global markup removed, return original str; do it this way to suppress boolean second return value
		return temp_str;
	else
		return temp_str;														-- else, return assembled temp_str
	end
end


--[[--------------------------< A R G S  _ F E T C H >---------------------------------------------------------

Because all of the templates share a common set of parameters, a single common function to fetch those parameters
from frame and parent frame.

]]

local function args_fetch (frame, ps)
	local args = args_default;													-- create a copy of the default table
	local pframe = frame:getParent();											-- point to the template's parameter table

	for k, v in pairs (frame.args) do											-- override defaults with values provided in the #invoke: if any
		args[k] = v;	   
	end
	
	args.postscript = pframe.args.postscript or pframe.args.ps or ps;
	if 'none' == args.postscript then
		args.postscript = '';
	end
	args.page = pframe.args.p or pframe.args.page or '';
	args.pages = pframe.args.pp or pframe.args.pages or '';
	args.pages = ('' ~= args.pages) and hyphen_to_dash (args.pages) or '';
	args.location = pframe.args.loc or '';
	args.ref = pframe.args.ref or pframe.args.Ref or '';
	args.ignore = ('yes' == pframe.args['ignore-false-positive']) or ('yes' == pframe.args['ignore-err']);

	for i, v in ipairs ({'P1', 'P2', 'P3', 'P4', 'P5'}) do						-- loop through the five positional parameters and trim if set else empty string
		args[v] = (pframe.args[i] and mw.text.trim (pframe.args[i])) or '';
	end

	if args.P5 and not is_year (args.P5, args) then
		local i = 6;															-- initialize the indexer to the sixth positional parameter
		while pframe.args[i] do													-- in case there are too many authors loop through the authors looking for a year
			local v = mw.text.trim (pframe.args[i]);							-- trim
			if is_year (v, args) then											-- if a year
				args.P5 = v;													-- overwrite whatever was in args.P5 with year
				break;															-- and abandon the search
			end
			i = i + 1;															-- bump the indexer
		end
	end
	return args;
end

function f.harvard_citation( frame )
	local args = f.args_default
	local pArgs = getArgs(frame)

	args.bracket_left = '('
	args.bracket_right = ')'
	args.page = pArgs.p or pArgs.page or pArgs['ص'] or ''
	args.pages = pArgs.pp or pArgs.pages or pArgs['صص'] or ''
	args.location = pArgs.loc or pArgs['محل'] or ''
	args.ref = pArgs.ref or pArgs.Ref or ''
	args.P1 = trim( pArgs[1] ) or ''
	args.P2 = trim( pArgs[2] ) or ''
	args.P3 = trim( pArgs[3] ) or ''
	args.P4 = trim( pArgs[4] ) or ''
	args.P5 = trim( pArgs[5] ) or ''
	args.andOthers = trim( pArgs.AndOthers ) or args.andOthers
	args.amp = trim( pArgs.amp ) or args.amp
	args.comma = trim( pArgs.comma ) or args.comma
	args.page_sep = trim( pArgs.PageSep ) or args.page_sep
	args.pages_sep = trim( pArgs.PagesSep ) or args.pages_sep

	return core( args )
end

function f.harvard_citation_no_bracket( frame )
	local args = f.args_default
	local pArgs = getArgs(frame)

	args.page = pArgs.p or pArgs.page or pArgs['ص'] or ''
	args.pages = pArgs.pp or pArgs.pages or pArgs['صص'] or ''
	args.location = pArgs.loc or pArgs['محل'] or ''
	args.ref = pArgs.ref or pArgs.Ref or ''
	args.P1 = trim( pArgs[1] ) or ''
	args.P2 = trim( pArgs[2] ) or ''
	args.P3 = trim( pArgs[3] ) or ''
	args.P4 = trim( pArgs[4] ) or ''
	args.P5 = trim( pArgs[5] ) or ''
	args.andOthers = trim( pArgs.AndOthers ) or args.andOthers
	args.amp = trim( pArgs.amp ) or args.amp
	args.page_sep = trim( pArgs.PageSep ) or args.page_sep
	args.pages_sep = trim( pArgs.PagesSep ) or args.pages_sep
	args.comma = trim( pArgs.comma ) or args.comma

	return core( args )
end

--[[--------------------------< S T R I P _ U R L >------------------------------------------------------------

used by sfn() and sfnm().  This function fixes an issue with reference tooltip gadget where the tooltip is not displayed
when an insource locator (|p=, |pp=, |loc=) has an external wikilink that contains a # character

strip uri-reserved characters from urls in |p=, |pp-, and |loc= parameters  The researved characters are:
	!#$&'()*+,/:;=?@[]
	
]]

local function strip_url (pages)
	local escaped_uri;
	if not pages or ('' == pages) then
		return pages;
	end
	
	for uri in pages:gmatch ('%[(%a[%w%+%.%-]*://%S+)') do						-- for each external link get the uri
		escaped_uri = uri:gsub ("([%(%)%.%%%+%-%*%?%[%^%$%]])", "%%%1" );		-- save a copy with lua pattern characters escaped
		uri = uri:gsub ("[!#%$&'%(%)%*%+,/:;=%?@%[%]%.%%]", '');				-- remove reserved characters and '%' because '%20' (space character) is a lua 'invalid capture index'
		pages = pages:gsub (escaped_uri, uri, 1);								-- replace original uri with the stripped version
	end
	
	return pages;
end

function f.sfn( frame )
	local args = f.args_default
	local pArgs = getArgs(frame)
	for k, v in pairs( frame.args ) do											-- for {{sfnp}}, override default with values provided in the #invoke:
		args[k] = v	   
	end

	args.postscript = pArgs.postscript or pArgs.ps or '.'
	if 'none' == args.postscript then
		args.postscript = ''
	end
	args.page = pArgs.p or pArgs.page or pArgs['ص'] or ''
	args.pages = pArgs.pp or pArgs.pages or pArgs['صص'] or ''
	args.location = pArgs.loc or pArgs['محل'] or ''
	args.ref = pArgs.ref or pArgs.Ref or ''
	args.P1 = trim( pArgs[1] ) or ''
	args.P2 = trim( pArgs[2] ) or ''
	args.P3 = trim( pArgs[3] ) or ''
	args.P4 = trim( pArgs[4] ) or ''
	args.P5 = trim( pArgs[5] ) or ''
	args.andOthers = trim( pArgs.AndOthers ) or args.andOthers
	args.amp = trim( pArgs.amp ) or args.amp
	args.comma = trim( pArgs.comma ) or args.comma
	args.page_sep = trim( pArgs.PageSep ) or args.page_sep
	args.pages_sep = trim( pArgs.PagesSep ) or args.pages_sep

	local result = core( args )
	local name = 'FOOTNOTE' .. num_con("en", args.P1) .. num_con("en", args.P2) .. 
	num_con("en", args.P3) .. num_con("en", args.P4) .. num_con("en", args.P5) .. 
	num_con("en", args.page) .. num_con("en", args.pages) .. num_con("en", args.location)

	result = frame:extensionTag{ name = 'ref', args = {name=name}, content=result }

	return result
end

--[[--------------------------< S F N M >----------------------------------------------------------------------

common entry point for {{sfnm}} and {{sfnmp}}

Distinguishing features (brackets) are specified in this module's {{#invoke}} in the respective templates.

]]

function f.sfnm (frame)
	local args = f.args_default 												-- create a copy of the default table
	local pframe = frame:getParent();											-- point to the template's parameter table
	
	local n = 1;																-- index of source; this is the 'n' in na1, ny, etc
	local first_pnum = 1;														-- first of a pair of positional parameters
	local second_pnum = 2;														-- second of a pair of positional parameters

	local last_ps = 0;															-- index of the last source with |nps= set
	local last_index = 0;														-- index of the last source; these used to determine which of |ps= or |nps= will terminate the whole rendering

	local out = {};																-- table to hold rendered sources
	local footnote = {'FOOTNOTE'};												-- all author, date, insource location stuff becomes part of the reference's footnote id; added as we go

	for k, v in pairs (frame.args) do											-- override defaults with values provided in the #invoke: if any
		args[k] = v;	   
	end
	
	while true do
		if not pframe.args[table.concat ({n, 'a1'})] and not pframe.args[first_pnum] then
			break;																-- no na1 or matching positional parameter so done
		end
		
		if pframe.args[table.concat ({n, 'a1'})] then							-- does this source use named parameters?
			for _, v in ipairs ({'P1', 'P2', 'P3', 'P4', 'P5'}) do				-- initialize for this source
				args[v] = '';
			end

			for i, v in ipairs ({'P1', 'P2', 'P3', 'P4', 'P5'}) do				-- extract author and year parameters for this source
				args[v] = pframe.args[table.concat ({n, 'a', i})] or '';		-- attempt to assign author name
				if '' == args[v] then											-- when there wasn't an author name
					args[v] = pframe.args[table.concat ({n, 'y'})] or '';		-- attempt to assign year
					break;														-- done with author/date for this source
				end
			end

		else																	-- this source uses positional parameters
			args.P1 = mw.text.trim (pframe.args[first_pnum]);					-- yes, only one author supported
			args.P2 = (pframe.args[second_pnum] and mw.text.trim (pframe.args[second_pnum])) or '';	-- when positional author, year must also be positional

			for _, v in ipairs ({'P3', 'P4', 'P5'}) do							-- blank the rest of these for this source
				args[v] = '';
			end

			first_pnum = first_pnum + 2;										-- source must use positional author and positional year
			second_pnum = first_pnum + 1;										-- bump these for possible next positional source
		end
		
		args.postscript = pframe.args[table.concat ({n, 'ps'})] or '';
		if 'none' == args.postscript then										-- this for compatibility with other footnote templates; does nothing
			args.postscript = '';
		end

		args.ref = pframe.args[table.concat ({n, 'ref'})] or '';				-- alternate reference for this source

		args.page = pframe.args[table.concat ({n, 'p'})] or '';					-- insource locations for this source
		args.pages = pframe.args[table.concat ({n, 'pp'})] or '';
		args.pages = ('' ~= args.pages) and hyphen_to_dash (args.pages) or '';
		args.location = pframe.args[table.concat ({n, 'loc'})] or '';
		args.ignore = ('yes' == pframe.args[table.concat ({n, 'ignore-false-positive'})]) or ('yes' == pframe.args[table.concat ({n, 'ignore-err'})]);

		table.insert (out, core (args));										-- save the rendering of this source
		
		for k, v in ipairs ({'P1', 'P2', 'P3', 'P4', 'P5'}) do					-- create the FOOTNOTE id
			if '' ~= args[v] then
				table.insert (footnote, args[v]);
			end
		end
		for k, v in ipairs ({'page', 'pages', 'location'}) do					-- these done separately so that we can strip uri-reserved characters from extlinked page numbers 
			if '' ~= args[v] then
				table.insert (footnote, strip_url (args[v]))
			end
		end
		
		last_index = n;															-- flags used to select terminal postscript from nps or from end_ps
		if '' ~= args.postscript then							
			last_ps = n;
		end
		
		n = n+1;																-- bump for the next one
	end
	
	local name = table.concat (footnote):gsub ('%s+', ' ');						-- put the footnote together and strip redundant space
	
	args.end_ps = pframe.args.postscript or pframe.args.ps or '.';				-- this is the postscript for the whole not for the individual sources
	if 'none' == args.end_ps then												-- not an original sfnm parameter value; added for compatibility with other footnote templates
		args.end_ps = '';
	end

	local result = table.concat ({table.concat (out, '; '), (last_index == last_ps) and '' or  args.end_ps});
	return frame:extensionTag ({name='ref', args={name=name,dir="ltr"}, content=result});
end

--[[
The following function is idential to f.sfn with the exception that
it guarantees the output <ref> tag will have dir=ltr which is useful
for references copied from English Wikipedia
]]
function f.sfnltr( frame )
	local args = f.args_default
	local pArgs = getArgs(frame)
	for k, v in pairs( frame.args ) do											-- for {{sfnp}}, override default with values provided in the #invoke:
		args[k] = v
	end

	args.postscript = pArgs.postscript or pArgs.ps or '.'
	if 'none' == args.postscript then
		args.postscript = ''
	end
	args.page = pArgs.p or pArgs.page or pArgs['ص'] or ''
	args.pages = pArgs.pp or pArgs.pages or pArgs['صص'] or ''
	args.location = pArgs.loc or pArgs['محل'] or ''
	args.ref = pArgs.ref or pArgs.Ref or ''
	args.P1 = trim( pArgs[1] ) or ''
	args.P2 = trim( pArgs[2] ) or ''
	args.P3 = trim( pArgs[3] ) or ''
	args.P4 = trim( pArgs[4] ) or ''
	args.P5 = trim( pArgs[5] ) or ''
	args.andOthers = trim( pArgs.AndOthers ) or args.andOthers
	args.amp = trim( pArgs.amp ) or args.amp
	args.comma = trim( pArgs.comma ) or args.comma
	args.page_sep = trim( pArgs.PageSep ) or args.page_sep
	args.pages_sep = trim( pArgs.PagesSep ) or args.pages_sep

	local result = core( args )
	local name = 'FOOTNOTE' .. num_con("en", args.P1) .. num_con("en", args.P2) .. 
	num_con("en", args.P3) .. num_con("en", args.P4) .. num_con("en", args.P5) .. 
	num_con("en", args.page) .. num_con("en", args.pages) .. num_con("en", args.location)
	
	result = num_con("en", result)

	result = frame:extensionTag{ name = 'ref', args = {name=name,dir="ltr"}, content=result }

	return result
end

function f.sfnfa( frame )
	local args = f.args_default
	local pArgs = getArgs(frame)
	for k, v in pairs( frame.args ) do											-- for {{sfnp}}, override default with values provided in the #invoke:
		args[k] = v	   
	end

	args.postscript = pArgs.postscript or pArgs.ps or '.'
	if 'none' == args.postscript then
		args.postscript = ''
	end
	args.page = pArgs.p or pArgs.page or pArgs['ص'] or ''
	args.pages = pArgs.pp or pArgs.pages or pArgs['صص'] or ''
	args.location = pArgs.loc or pArgs['محل'] or ''
	args.ref = pArgs.ref or pArgs.Ref or ''
	args.P1 = trim( pArgs[1] ) or ''
	args.P2 = trim( pArgs[2] ) or ''
	args.P3 = trim( pArgs[3] ) or ''
	args.P4 = trim( pArgs[4] ) or ''
	args.P5 = trim( pArgs[5] ) or ''
	args.andOthers = trim( pArgs.AndOthers ) or args.andOthers
	args.amp = trim( pArgs.amp ) or args.amp
	args.comma = trim( pArgs.comma ) or args.comma
	args.page_sep = trim( pArgs.PageSep ) or args.page_sep
	args.pages_sep = trim( pArgs.PagesSep ) or args.pages_sep
	
	args.P1 = num_con("en", args.P1)
	args.P2 = num_con("en", args.P2)
	args.P3 = num_con("en", args.P3)
	args.P4 = num_con("en", args.P4)
	args.P5 = num_con("en", args.P5)

	local result = corefa( args )
	local name = 'FOOTNOTE' .. args.P1 .. args.P2 .. 
	args.P3 .. args.P4 .. args.P5 .. num_con("en", args.page) .. 
	num_con("en", args.pages) .. num_con("en", args.location)

	result = frame:extensionTag{ name = 'ref', args = {name=name}, content=result }

	return result
end

--[[--------------------------< S F N R E F >------------------------------------------------------------------

implements {{sfnref}}

]]

function f.sfnref (frame)
	local args = getArgs(frame)
	local out = {};
	
	for i=1, 5 do																-- get the first five args if there are five args
		if args[i] then
			out[i] = num_con("en", args[i]);
		else
			break;																-- less than 5 args break out
		end
	end
	
	if 5 == #out then															-- when we have seen five args there may bemore
		local i = 6;															-- initialize the indexer to the sixth positional parameter
		while args[i] do														-- in case there are too many authors loop through the authors looking for a year
			if is_year (args[i], args) then										-- if a year
				out[5] = num_con("en", args[i]);												-- overwrite whatever was in args[5] with year
				break;															-- and abandon the search
			end
			i = i + 1;															-- bump the indexer
		end
	end
	
	return mw.uri.anchorEncode ('CITEREF' .. table.concat (out));
end

return f