Module:RoundN
local p = {
 	RD = {
 		'காலிறுதிகள்',
 		'அரையிறுதிகள்',
 		'இறுதிப்போட்டி',
 		'மூன்றாம் இடம்'
 	},
 	bgColor = {head = '#f2f2f2', 'gold', 'silver', '#C96', '#f9f9f9'},
 	reuseStr = {},
 	saveStr = function(self, name, ...)
 		if not self.reuseStr[name] then
 			self.reuseStr[name] = table.concat{...}
 		end
 		return self.reuseStr[name]
 	end
 }
 
 --Provides a convenient naming shortcut up to {{#invoke:RoundN|N512}} = {{invoke:RoundN|main|columns = 9}}
 for columns = 1, 9 do
 	local N = math.pow(2, columns)
 	p['N' .. N] = function(frame)
 		return p.main(frame.args, columns)
 	end
 	p['n' .. N] = p['N' .. N]--to make case insensitive
 end
 
 --saves memory and avoids errors when using a nil as a table by providing a temporary table; if using nil as false; use 'table(k)' to look up table[k]
 p.nilAsTab = {
 	__index = function(t, i)
 		return setmetatable({}, setmetatable(p.nilAsTab, {__index = {t = t, i = i}}))
 	end,
 	__newindex = function (pt, pi, v) --store new values in actual table rather than temporary
 		rawset(p.nilAsTab.t, p.nilAsTab.i, {})[p.nilAsTab.i][pi] = v
 		setmetatable(p.nilAsTab.t[p.nilAsTab.i], {__call = p.nilAsTab.__call})
 	end,
 	__call = function(t, i)
 		return t and rawget(t, i)
 	end
 }
 --never assign a value to these or they will stop being empty
 local infiniteEmpty = setmetatable({}, {__index = setmetatable({}, p.nilAsTab), p.nilAsTab}) -- infiniteEmpty[1][2][3]...[infinity] = {}
 local callableEmpty = setmetatable({}, p.nilAsTab)
 
 local rowNum, head, m, col, tab, esc = {}, {}, {num = 1, phase = 0, bold = infiniteEmpty}, {}, mw.html.create'table', {
 	bs = require'Module:Escape',--backslash
 	comma = {['(%([^,]*),([^%)]*%))'] = '%1|@!#|%2'},--escape commas in ()
 }
 local nodeFunc = {
 	scanPattern = function(self, args, step)
 		self.pattern = nil
 		if args[step] then
 			self.pattern, self.nonFunc = string.match(esc.bs:text(args[step]), '^node_function{(.-)}(.*)')
 		end
 		if self.pattern then
 			for k, v in pairs(esc.comma) do
 				self.pattern = self.pattern:gsub(k, v)
 			end
 			self.nonFunc = self.nonFunc and esc.bs:undo(self.nonFunc)
 			self.pattern = mw.text.split(self.pattern, '%s*,%s*')
 			for k, v in ipairs(self.pattern) do
 				local func, arg = string.match(v, '^(%w+)%(?([^%)]*)')
 				if func and self[func] and self[func].main then
 					self.pattern[k] = func
 					if arg then
 						for x, y in pairs(esc.comma) do
 							arg = esc.bs:undo(arg):gsub(y:gsub('%%%d', ''), x:match('%)([^%(])%(') or x:gsub('\\', ''))
 						end
 						self[func].arg = self[func].arg or {}
 						self[func].arg[m.num] = arg
 					end
 				end
 			end
 		end
 		return self.pattern
 	end,
 	helper = {
 		topBranch = function()--node is top of fork if top is 0
 			return (m.num - col.top) % 2
 		end,
 		addText = function(text)
 			if text and text ~= '' then
 				tab.r:wikitext(text)
 			end
 		end
 	},
 	line = {--this node is omitted and replaced with a line
 		main = function(x)
 			local h = p.getNodeFunc()
 			if m.available then
 				local text, topId, isTop, notTop = h.line.arg[m.num] or '', h.topBranch()
 				isTop = topId == 0
 				notTop = {[isTop and 1 or 0] = p.reuseStr.solid}
 				for k = 0, 1 do
 					tab.r = rowNum[m.r + k * 4]:tag'td'
 						:css(notTop[k] and
 							{[isTop and 'border-top' or 'border-bottom'] = notTop[k]}
 							or {}
 						)
 						:attr{
 							rowspan = ({[0] = 4, 2})[k],
 							colspan = p.colspan
 						}
 					h.addText(text or h.nonFunc)
 					text = nil
 				end
 				m.available = false
 			else
 				return nil
 			end
 			return x
 		end
 	},
 	bridge = {--Draw a line to the neighboring node in the same column that is not connected to the current node
 		main = function(x)
 			local h = p.getNodeFunc()
 			h.bridge.lay[col.c][m.num - col.top + 1 + (h.topBranch() == 1 and 1 or -1)] = true
 			h.addText(nonFunc)
 			return x
 		end,
 		lay = setmetatable({}, p.nilAsTab)
 	},
 	canvas = {--Merges all cells in node. Content will be the next parameter.
 		main = function(x)
 			local h = p.getNodeFunc()
 			if m.available then
 				tab.r = rowNum[m.r]:tag'td'
 					:attr{
 						rowspan = 6,
 						colspan = p.colspan
 					}
 				h.addText(h.nonFunc)
 				m.available = false
 				return x
 			else
 				return nil
 			end
 		end
 	},
 	orphan = {--sets a flag for skipMatch to be set by p._main
 		main = function(x)
 			p.getNodeFunc().orphan.num = m.num
 			return x
 		end
 	},
 	skipAllowed = {--table of supported node functions when node is skipped (i.e. by skipmatch)
 		bridge = true,
 		canvas = true
 	}
 }
 
 setmetatable(nodeFunc.helper, {__index = nodeFunc})
 function p.getNodeFunc()
 	return nodeFunc.helper
 end
 
 function newRow(bodyRow)
 	local first = p.flex_tree.merge and mw.clone(p.flex_tree.cell) or p.flex_tree.cell
 	tab.r = tab:tag'tr'
 		:node(first)
 	if bodyRow then
 		table.insert(rowNum, bodyRow, tab.r)
 		if p.flex_tree.merge then
 			rowNum[bodyRow].first = first
 			rowNum[bodyRow].first.unchanged = true
 		end
 	end
 end
 
 function drawHead(text, row3rd)
 	local td = (row3rd and rowNum[row3rd]:tag'td':attr{rowspan = 2}
 		or head.row:tag'td')
 		:attr{colspan = p.colspan}
 	if text ~= 'omit_label' then
 		td:wikitext(text):css{
 			['text-align'] = 'center',
 			border = '1px solid #aaa',
 			background = p.bgColor.head
 		}
 	end
 end
 
 function spacer(width)
 	tab.r:tag'td'
 		:attr{width = width}
 		:wikitext(p.no_column_head and '' or '&amp;nbsp;')
 end
 
 function dpBox(v, r)
 	p.dpBoxBase = p.dpBoxBase or mw.html.create'td':attr{rowspan = 2, colspan = p.colspan}
 	if not v then
 		p.dpBoxEmpty = p.dpBoxEmpty or mw.clone(p.dpBoxBase):wikitext(p.flex_tree.wt)
 		rowNum[r]:node(p.dpBoxEmpty)
 	else
 		rowNum[r]:node(mw.clone(p.dpBoxBase):wikitext(v))
 	end
 end
 
 p.scoreWasher = {
 	numberFormat = '%-?%d+%.?%d*',
 	main = function (self, s)
 		if s then
 			for _, cycle in ipairs(self.cycles) do
 				s = s:gsub(unpack(cycle))
 			end
 			if p.scoreSumBox and self.plus then
 				local t = 0
 				for _, part in ipairs(mw.text.split(s, self.plus)) do
 					t = t + (tonumber(part:match('%-?%d+%.?%d*')) or 0)
 				end
 				return t
 			end
 			return tonumber(s:match(self.numberFormat)) or math.huge
 		end
 		return 0
 	end,
 	spin = function(self, v)
 		table.insert(self, v)	
 		return self
 	end,
 	load = function (self, cycle)
 		local wash, rinse = 0, {spin = self.spin}
 		for v in cycle:gfind('%(([^%(%)]-)%)') do
 			if v == '_plus_' then
 				self.plus = v
 				rinse:spin(v)
 				cycle = cycle:gsub('%(_plus_%)', '', 1)
 			else
 				wash = wash + 1
 				rinse:spin('%'):spin(wash)
 			end
 		end
 		table.insert(self.cycles, {esc.bs:undo(cycle, '%%'), table.concat(rinse)})
 	end,
 	init = function(self, setting)
 		self.cycles = {original = setting}
 		for cycle in (setting and esc.bs:text(setting) or '{&lt;.-&gt;} {[^%d]*}'):gfind('{(.-)}') do
 			self:load(cycle)
 		end
 	end,
 		sum = function (clean)
 		local sum = {0, 0}
 		for _, box in ipairs(clean) do
 			for team, score in ipairs(box) do
 				sum[team] = sum[team] + score
 			end
 		end
 		return unpack(math.max(unpack(sum)) == math.huge and {'&amp;mdash;', '&amp;mdash;'} or sum)
 	end
 }
 
 function boldWin(s1, s2)
 	return setmetatable(
 		p.bold and s1 ~= s2 and (math[({'min', 'max'})[p.bold]](s1, s2) == s1 and {true} or {[2] = true}) or callableEmpty,
 		p.nilAsTab
 	)
 end
 
 function maxSpan(span, start, rows)
 	return math.min(span, math.max(0, rows - start + 1))
 end
 
 --in case of templates like RDseed need padding value
 p.teamBoxPadding = function()
  return '.6ex'
 end
 p.teamBoxPadTab = {padding = '0 ' .. p.teamBoxPadding()}
 p.teamBoxNormal = {border = '1px solid #aaa', background = p.bgColor[4]}
 function teamBox(v, r, f)
 	if p.flex_tree.merge and not v and f.phase == 2 then
 		for i = -2, 0 do
 			if rowNum[r + i].first.unchanged then
 				rowNum[r + i].first.unchanged = nil
 				rowNum[r + i].first:node(p.unflex_div)
 			end
 		end
 		tab.r:attr{rowspan = 4}:css{['vertical-align'] = 'center'}
 	else
 		if not p.bold then
 		--backwards compatability (wikitemplates bold each arg individually)
 			local hasBold, b = tostring(v):gsub(&quot;([^']*)'''([^']*)&quot;, '%1%%s%2')
 			if b == 1 then
 				v = hasBold:format('&lt;b&gt;')
 			end
 		end
 		local cell
 		if f[1] then
 			cell = f.sumBox and f.sumBox[1] and
 				{padding = f.sumBox[1]}
 				or {['border-left'] = f.borderLeft}
 			cell['text-align'] = v and f[1]
 		else
 			cell = p.teamBoxPadTab
 		end
 		tab.r = rowNum[r]:tag'td'
 			:css(p.teamBoxCSS)
 			:css(cell)
 			:attr{rowspan = 2}
 			:node(mw.html.create(f.bold and 'b'):wikitext(v or f[1] and '' or '&amp;nbsp;'))
 	end
 end
 
 function p._main(args)
 	function args:clean(key, params)--prevent html comments from breaking named args and reduces repeat concatenation
 		params = params or {}
 		local clean = args[key] or params.ifNil
 		if clean then
 			params.append = params.append or ''
 			clean = mw.text.decode(clean):gsub('&lt;!%-.-%-&gt;', ''):gsub(params.pattern or '[^%w-;%.]', '') .. params.append
 			clean = clean ~= params.append and clean or params.ifNil
 		end
 		args[key] = params.keepOld and args[key] or clean
 		return clean
 	end
 	p.cols = tonumber(args:clean('columns', {pattern = '%D'}))
 	p.tCols = (tonumber(args:clean('final_RDs_excluded', {pattern = '%D'})) or 0) + p.cols
 	local matchPer = {
 		pattern = '%d*per%d+[%-x]%d+',
 		vals = '(%d*)per(%d+)([%-x])(%d+)'
 	}
 	local skipMatch, unBold  = {}, {}--(skip|manualbold)match# to boolean
 	for k, _ in pairs(args) do
 		local mType, mNum = string.match(k, '^(%l+)match(%d*)$')
 		mType, mNum = ({skip = skipMatch, manualbold = unBold})[mType], tonumber(mNum)
 		if mType then 
 			if mNum then
 				mType[mNum] = args:clean(k) == 'yes' or args[k] == 'true'
 			else
 				for pattern in args:clean(k, {ifNil = ''}):gfind(matchPer.pattern) do
 					local d1, period, op, d2 = pattern:match(matchPer.vals)
 					d1 = tonumber(d1) or 1
 					d2 = op == '-' and d2 or (d1 + period * (d2 - 1))
 					for y = d1, d2, period do
 						mType[y] = true
 					end
 				end
 				for _, x in ipairs(mw.text.split(args[k]:gsub(matchPer.pattern, ''):gsub('[;%-%a][;%-%a]+', ';'):match('^;*(.-)[;%-]*$'), ';')) do
 					x = mw.text.split(x, '-')
 					for y = tonumber(x[1]) or 1, tonumber(x[2] or x[1]) or 0 do
 						mType[y] = true
 					end
 				end
 			end
 		end
 	end
 	for _, v in ipairs({--more args to boolean
 		'widescore',
 		'template',
 		'article_include',
 		'color',
 		'3rdplace',
 		'omit_blanks',
 		'scroll_head_unlock',
 		'previewnumbers',
 		'flex_tree',
 		'no_column_head',
 		'short_brackets',
 		'branch_upwards'
 	}) do
 		if args[v] and (p[v] == nil or type(p[v]) == 'boolean') then
 			p[v] = args:clean(v) == 'yes' or args[v] == 'true'
 		end
 	end
 	p.scoreWasher:init(args['score-clean'])
 	p.scoreWasher.demo = args.demoWash and tonumber(args:clean('demoWash', {pattern = '%D'}), 10)
 	p.scoreSumBox = args['score-boxes'] and args['score-boxes']:match('%d ?%+ ?sum')
 	p.bold = ({low = 1, high = 2})[args:clean('bold_winner')] or p.scoreSumBox and 2
 	local sumBox = p.scoreSumBox and 1 or 0
 	p.scoreBoxes = (tonumber(args:clean('score-boxes', {pattern = '%D'})) or 1) + sumBox
 	p.scoreSumBox = p.scoreBoxes &gt; 0 and p.scoreSumBox or nil
 	local boxStyle = p.scoreBoxes &gt; 1 and
 		(p.scoreSumBox and
 			setmetatable(
 				{{}, [p.scoreBoxes] = {'0 1ex'}},
 				{__call = function(t, i) if t[i] then return nil end return 0 end}
 			)
 			or setmetatable(
 				{},
 				{__call = function() return 0 end}
 			)
 		)	
 		or setmetatable({}, {__call = function() return nil end})
 	p.colspan = p.scoreBoxes &gt; 0 and (p.scoreBoxes + 1) or nil
 	local nodeArgs = {
 		score = p.scoreBoxes - sumBox,
 		team = {offset = 1 + p.scoreBoxes - sumBox}
 	}
 	nodeArgs.all = 1 + nodeArgs.team.offset * 2
 	nodeArgs.tableSum = {
 		__add = function(v, t)
 			if #t == 3 then
 				return v + nodeArgs.all
 			end
 			local s = v
 			for i, n in ipairs(t) do
 				s = s + n
 			end
 			return s--[[ + (p.scoreSumBox and #t == 3 and -2 or 0) --merging disabled with score boxes, uncomment if enable]]
 		end
 	}
 	nodeArgs.team[1] = 1--constant to be replaced later by new param
 	nodeArgs.team[2] = nodeArgs.team[1] + nodeArgs.team.offset
 	nodeArgs.blank = setmetatable({}, nodeArgs.tableSum)
 	p.unflex_div = mw.html.create'div'
 					:css{overflow = 'hidden', height = '1ex'}
 					:wikitext'&amp;nbsp;'
 	p.flex_tree = setmetatable({},{__index = {
 		merge = p.flex_tree and p.scoreBoxes == 0,
 		wt = p.flex_tree and '' or '&amp;nbsp;',
 		cell = mw.html.create'td'
 			:node(not p.flex_tree and p.unflex_div or nil)
 	}})
 	if args:clean'scroll_height' then
 		local fontSize, fontUnit = args.style and args.style:match('font%-size *: *(%d+)([^ ]+)')
 		if fontSize then
 			local units = {
 				em = 1,
 				ex = 2,
 				['%'] = 0.01
 			}
 			fontSize, fontUnit = {fontSize * fontUnit}
 		end
 	end
 	tab
 		:cssText(table.concat{args.scroll_height and 'padding' or 'margin', ':', fontSize and (math.ceil(fontSize * 10) / 10) or '.9', 'em 2em 1em 1em;border:0;', fontSize and '' or 'font-size:90%;', args.style})
 		:attr{cellpadding = 0, cellspacing = 0}
 	if not p.no_column_head then--headings row
 		newRow()
 		head.row = tab.r
 			:css{['white-space'] = args.scroll_height and 'nowrap'}
 		newRow()
 	else 
 		tab.r = tab:tag'tr'
 		tab.r:tag'td'
 	end
 	local sp = {--set column widths
 		args['team-width'] or 170,
 		p.widescore and 40 or 30,
 		p.short_brackets and 6 or 15,
 		p.short_brackets and 4 or 20
 	}
 	local scoreWidth = args:clean('score-width', {pattern = '[^%d;]'}) and mw.text.split(args['score-width'], ';') or {}
 	scoreWidth[1] = tonumber(scoreWidth[1], 10)
 	if p.scoreSumBox and #scoreWidth ~= 1 then
 		local _scoreWidth = {}
 		for k = 1, p.scoreBoxes - 1 do
 			_scoreWidth[k] = tonumber(scoreWidth[k], 10) or math.ceil(sp[2] * 0.75)
 		end
 		setmetatable(scoreWidth, _scoreWidth)
 	end
 	if p.template or p.article_include then
 		p.template = mw.title.new(args.name)
 		p.templateFixedName = (p.template.namespace == 0 and not p.article_include and 'Template:' or '') .. p.template.fullText
 	end
 	p.template = p.template and mw.title.new(args:clean('name', {pattern = ''}))
 	local head_br = {
 		count = 0,
 		compare = function (self, text)
 			if text and args.scroll_height then
 				local _, count = text:gsub('&lt;br[ &gt;/]', '%1')
 				self.count = math.max(self.count, count)
 			end
 			return text
 		end
 	}
 	p.branch_upwards = p.branch_upwards and 0
 	for k = 1, p.cols do
 		if k &gt; 1 then
 			spacer(sp[3])
 			spacer(sp[4])
 			if not p.no_column_head then
 				head.row:tag'td':attr{colspan = 2}
 			end
 		end
 		spacer(sp[1])
 		for s = 1, p.scoreBoxes do
 			spacer(#scoreWidth == 1 and scoreWidth[1] or scoreWidth[s] or sp[2])
 		end
 		if not p.no_column_head then
 			head.wt = head_br:compare(args:clean('RD' .. k, {pattern = ''}))
 				or p.RD[#p.RD + k - p.tCols - 1]
 				or (math.pow(2, p.tCols - k + 1).. ' அணிகளின் சுற்று')
 			drawHead(
 				k == 1 and p.template and mw.getCurrentFrame():expandTemplate{
 					title = 'tnavbar-header',
 					args = {head.wt, p.templateFixedName}
 				} or head.wt
 			)
 		end
 	end
 	sp.row = tab.r
 	col.tot = math.pow(2, p.tCols - 1)
 	local step, bump, bumpBase, rows = 1, 0, mw.html.create'td':attr{colspan = p.colspan}, col.tot * 6--Begin body row output
 	args.line_px = table.concat{args:clean('line_px') or 3, args.line_px ~= '0' and 'px' or nil}
 	tab.line = {--reduces concats and 'or' statements
 		{
 			[true] = args.line_px,
 			[false] = 0
 		},
 		args.line_px:rep(2):gsub('(%a)(%d)', '%1 %2', 1)
 	}
 	p['3rdplace'] =  p.tCols == p.cols and (p['3rdplace'] or p.cols &gt; 3 and nil == p['3rdplace'] and not p.no_column_head)
 	if p['3rdplace'] then
 		p.textThird = args.Consol or args['RD' .. (p.cols + 1)] or p.RD[4]
 		local no3rdText = p.no_column_head or p.textThird and p.textThird:match('omit_label')
 		rowNum.third = math.max(math.pow(2, p.branch_upwards and -3 or p.cols - 2) * 9 + (no3rdText and 4 or 9), no3rdText and 12 or 17, rows)
 	end
 	for r = 1, rowNum.third or rows do
 		newRow(r)
 	end
 	p:saveStr('solid', tab.line[1][true], ' solid')
 	p.cornerDiv = mw.html.create'div':css{height = tab.line[1][true], ['border-right'] = p.reuseStr.solid}
 	for c = 1, p.cols do
 		col.c = c
 		local bumps = bump
 		if c &gt; 1 then
 			col.tot = col.tot + math.pow(2, p.tCols - c)
 			if p.branch_upwards then
 				bumps = 0
 				rowNum[1]:tag'td':attr{rowspan = 4}
 			else
 			rowNum[1]:node(c &lt; p.cols and
 				mw.clone(bumpBase):attr{rowspan = bump}
 				or p.no_column_head and p.template and
 					mw.html.create'td':wikitext(mw.getCurrentFrame():expandTemplate{
 						title = 'tnavbar-header',
 						args = {'', p.templateFixedName}
 					})
 			)
 			end
 		end
 		col.top = m.num
 		p.span = p.tCols &gt; c and bump * 2 or p.branch_upwards or math.max((bump - 1) / 2, 2)
 		col.show3rd = p['3rdplace'] and c == p.tCols and rowNum.third
 		local colorFinal, bumpMid = p.color and c == p.tCols, p.span &gt; 0 and mw.clone(bumpBase):attr{rowspan = p.span} or nil
 		for r = 1, col.show3rd or rows, 2 do
 			m.r = r + bumps
 			if col.show3rd or rowNum[m.r] and m.num &lt;= col.tot then
 				if m.phase == 0 then
 					m.showBox = setmetatable({1, nodeArgs.team.offset, nodeArgs.team.offset}, nodeArgs.tableSum)
 					if nodeFunc:scanPattern(args, step) then
 						nodeFunc.called = {}
 						m.available = true
 					else
 						m.available = nil
 					end
 				end
 				if skipMatch[m.num] then
 					if m.phase == 0 then
 						if nodeFunc.pattern then
 							for x, y in ipairs(nodeFunc.pattern) do
 								if nodeFunc.skipAllowed[y] then
 									nodeFunc.called[y] = nodeFunc[y].main(x)
 								end
 							end
 						end
 						local canvas = nodeFunc.pattern and nodeFunc.called.canvas and 6
 						rowNum[m.r + (canvas or 0)]:tag'td':attr{rowspan = maxSpan((canvas and 0 or 6) + bump * 2, m.r + (canvas or 0), rows), colspan = p.colspan}
 					elseif m.phase == 2 then
 						if nodeFunc.pattern and (nodeFunc.called.bridge or nodeFunc.called.canvas) then
 							step = step + 1
 						end
 						m.num = m.num + 1
 						step = step + (p.omit_blanks and 0 or m.showBox)
 						bumps = bumps + (col.show3rd and 0 or maxSpan(p.span, m.r, rows))
 					end
 				elseif m.phase == 0 then
 					if nodeFunc.pattern then
 						for x, y in ipairs(nodeFunc.pattern) do
 							if nodeFunc[y] and nodeFunc[y].main then
 								nodeFunc.called[y] = nodeFunc[y].main(x)
 							end
 						end
 						if m.available == false then
 							m.showBox = nodeArgs.blank
 							step = step + 1
 						end
 					end
 					if m.showBox[1] then
 						if col.show3rd then
 							col.show3rd = (m.num - col.top) * 2
 							if col.show3rd == 2 then
 								if p.textThird:match('omit_label') then
 									p.textThird = nil
 								end
 								if rowNum[rows + 1] and p.cols &gt; 1 then --if 3rd place extends below bottom cell
 									rowNum[rows + 1]:tag'td':attr{
 										rowspan = m.r + 9 - rows - (text and 0 or 2),
 										colspan = (p.cols - 1) * 4
 									}
 								end
 								if p.tCols == 1 then
 									bumps = p.textThird and 3 or 0
 								elseif p.branch_upwards then
 									r = 7
 									bumps = p.textThird and 2 or 0
 								end
 								m.r = r + bumps
 								if p.textThird then
 									drawHead(p.textThird, m.r)
 									bumps = bumps + 2
 									m.r = r + bumps
 								end
 							end
 						end
 						dpBox(nodeFunc.pattern and nodeFunc.nonFunc or args[step], m.r, skipMatch[m.num])
 						if p.previewnumbers then
 							p.namespace = p.namespace or mw.title.getCurrentTitle().namespace
 							if p.namespace ~= 0 then
 								tab.r:tag'div'
 									:css{
 										float = 'left',
 										border = '1px solid red',
 										padding = '0 .5ex',
 										['color'] = 'red'
 									}
 									:wikitext(m.num)
 									:attr{title = 'Number only visible outside article space (e.g. template) when |numberpreview=yes'}
 							end
 						end
 					end
 					if p.colspan then
 						m.nonEmpty = {}
 						for s = step + 2, step + nodeArgs.team.offset do
 							local i = {s, s + nodeArgs.team.offset}
 							if args[i[1]] or args[i[2]] then
 								table.insert(m.nonEmpty, i)
 							end
 						end
 						if p.bold and m.showBox[2] and m.showBox[3] and not unBold[m.num] then
 							m.bold = {
 								box = {},
 								clean = {}
 							}
 							local notSummed = not p.scoreSumBox or #m.nonEmpty &lt; 2
 							for s, i in ipairs(m.nonEmpty) do
 								m.bold.clean[s] = {p.scoreWasher:main(args[i[1]]), p.scoreWasher:main(args[i[2]])}
 								m.bold.box[s] = notSummed and boldWin(m.bold.clean[s][1], m.bold.clean[s][2]) or callableEmpty
 							end
 							if p.scoreSumBox and m.nonEmpty[2] then
 								local i = {-step, -step - 1}
 								table.insert(m.nonEmpty, i)
 								args[i[1]], args[i[2]] = p.scoreWasher.sum(m.bold.clean)
 								m.bold.box[p.scoreBoxes] = boldWin(args[i[1]], args[i[2]])
 							end
 							getmetatable(boxStyle).__index = p.scoreSumBoxes and {[#m.nonEmpty] = boxStyle[p.scoreBoxes]}
 							m.bold.win = m.bold.box[#m.nonEmpty] or callableEmpty
 						else
 							m.bold = infiniteEmpty
 						end
 					end
 				else
 					if m.showBox[m.phase] then
 						p.teamBoxCSS = colorFinal and 
 							{border = p.teamBoxNormal.border, background = p.bgColor[m.phase + (col.show3rd or 0)]}
 							or p.teamBoxNormal
 						local f = {phase = m.phase, bold = m.bold.win(m.phase)}
 						teamBox(args[step + nodeArgs.team[m.phase]], m.r, f)
 						f[1] = 'center'
 						if p.colspan then
 							if m.nonEmpty[1] then
 								local loneSum
 								if #m.nonEmpty &lt; p.scoreBoxes then
 									loneSum = #m.nonEmpty == 1 and boxStyle[p.scoreBoxes]
 									tab.r:attr{colspan = 1 + p.scoreBoxes - #m.nonEmpty}
 								end
 								for s, i in ipairs(m.nonEmpty) do
 									f.borderLeft = boxStyle(s)
 									f.sumBox = loneSum or boxStyle[s]
 									f.bold = m.bold.box[s](m.phase)
 									teamBox(args[i[m.phase]], m.r, f)
 								end
 							else
 								for s = 1, p.scoreBoxes do
 									f.borderLeft = boxStyle(s)
 									teamBox(nil, m.r, f)
 								end
 							end
 						end
 					end
 					if m.phase == 2 then
 						col.show3rd = col.show3rd ~= 2 and col.show3rd or nil
 						if p.scoreWasher.demo and p.scoreWasher.demo == m.num and mw.title.getCurrentTitle().namespace ~= 0 then
 							table.insert(m.bold.clean, 1, {args[step + nodeArgs.team[1]], args[step + nodeArgs.team[2]]})
 							return table.concat{
 								'Score data for match specified by &lt;code&gt;|demoWash=&lt;/code&gt;:&lt;br&gt;',
 								mw.dumpObject{scores = m.bold.clean, cycles = p.scoreWasher.cycles, sum = p.scoreSumBox and {m.nonEmpty[#m.nonEmpty][1], m.nonEmpty[#m.nonEmpty][1]}},
 								'&lt;table&gt;',
 								tostring(sp.row), '&lt;tr&gt;',
 								tostring(rowNum[m.r - 4]), '&lt;tr&gt;',
 								tostring(rowNum[m.r - 2]), '&lt;tr&gt;',
 								tostring(rowNum[m.r]), '&lt;/table&gt;',
 							}
 						end
 						if nodeFunc.orphan.num == m.num then
 							skipMatch[m.num] = 'orphan'
 						end
 						step = step + m.showBox
 						m.num = m.num + 1
 						if bump &gt; 0 and rowNum[m.r + 2] and not (nodeFunc.pattern and nodeFunc.called.canvas) then
 							bumps = bumps + p.span
 							rowNum[m.r + 2]:node(bumpMid)
 						end
 						r = r + (col.show3rd or bump)
 					end
 				end
 				m.phase = (m.phase + 1) % 3
 			end
 		end
 		if p.cols &gt; c then--draw lines to next round
 			p.unit = bump + 3
 			bump = 3 * math.pow(2, c) - 3
 			bumps = p.branch_upwards and 4 or (p.unit + 1)
 			rowNum[1]
 				:tag'td':attr{rowspan = bumps}
 			if not p.branch_upwards then
 				rowNum[1]:tag'td'
 					:attr{rowspan = (p.branch_upwards or bump) + 4}
 					:css(nodeFunc.bridge.lay[c](0) and
 						{['border-right'] = p.reuseStr.solid}
 						or {}
 					)
 			end
 			col.n = 0
 			for r = bumps + 1, rows, p.unit * 2 do
 				tab.r = rowNum[r]:tag'td'
 				local interval = ((r - bumps - 1) / (p.unit * 2)) % 4
 				if interval % 2 == 0 then
 					--col.t and col.t2 control whether lines are drawn
 					col.t = col.t2 or skipMatch[col.tot + col.n / 2 + 1] and 3 or ((skipMatch[col.top] and 1 or 0) + (skipMatch[col.top + 1] and 2 or 0))
 					col.n = col.n + 2
 					col.t2 = skipMatch[col.tot + col.n / 2 + 1] and 3 or ((skipMatch[col.top + col.n] and 1 or 0) + (skipMatch[col.top + col.n + 1] and 2 or 0))
 					if col.t == 0 then
 						tab.r
 							:attr{rowspan = maxSpan(p.unit * 2, r, rows)}
 							:css(skipMatch[col.tot + col.n / 2] and {} or {
 								border = p.reuseStr.solid,
 								['border-left'] = 0
 							})
 					else
 						tab.r
 							:attr{rowspan = maxSpan(p.unit, r, rows)}
 							:cssText(col.t == 2 and 
 								p:saveStr('topRight', 'border-width:', tab.line[2], ' 0 0;border-style:solid')
 								or col.t == 1 and (nodeFunc.bridge.lay[c](col.n - 2) and
 									p:saveStr('right', ';border-right:', p.reuseStr.solid)
 									or 'vertical-align:bottom'
 								)
 								or nil
 							)
 							:node(col.t == 1 and interval &gt; 0 and not nodeFunc.bridge.lay[c](col.n - 2) and p.cornerDiv)
 						rowNum[r + (p.branch_upwards and (4 - bump) or p.unit)]:tag'td'
 							:attr{rowspan = maxSpan(p.unit, r + p.unit, rows)}
 							:cssText(col.t == 1 and
 								p:saveStr('bttmRght', 'border-width:0 ', tab.line[2], ' 0;border-style:solid')
 								or col.t == 2 and (nodeFunc.bridge.lay[c](col.n + 2) and
 									p:saveStr('right', ';border-right:', p.reuseStr.solid)
 									or 'vertical-align:top'
 								)
 								or nil
 							)
 							:node(col.t == 2 and interval ~= 2 and not nodeFunc.bridge.lay[c](col.n + 2) and p.cornerDiv)
 					end
 					col.t = {
 						col.t &lt; 3,
 						rowNum[r + p.unit * 5] and col.t2 &lt; 3 or false
 					}
 					rowNum[r + (p.branch_upwards or p.unit)]:tag'td'
 						:attr{rowspan = maxSpan(p.unit * 4, r + (p.branch_upwards and (4 - bump) or p.unit), rows)}
 						:css(interval == 0 and (col.t[1] or col.t[2]) and {
 							['border-width'] = table.concat{tab.line[1][col.t[1]], ' 0 ', tab.line[1][col.t[2]]},
 							['border-style'] = 'solid'
 						} or {})
 				else
 					tab.r
 						:attr{rowspan = maxSpan(p.unit * 2, r, rows)}
 						:css(nodeFunc.bridge.lay[c](col.n) and
 							{['border-right'] = p.reuseStr.solid}
 							or {}
 						)
 				end
 			end
 		end
 	end
 	local lock_height = (head_br.count or 0) + 1
 	return args.scroll_height and
 		mw.html.create'div'
 			:cssText'border-bottom:1px solid #eee;display:inline-block'
 			:node(not (p.scroll_head_unlock or p.no_column_head) and mw.html.create'div'
 				:css{
 					overflow = 'hidden',
 					height = lock_height * 1.4 + 1.6 .. 'em',
 					['border-bottom'] = 'inherit',
 					['margin-right'] = '17px'
 				}
 				:node(mw.clone(tab))
 			)
 			:tag'div'
 				:css{
 					['overflow-y'] = 'scroll',
 					['max-height'] = tonumber(args.scroll_height, 10) and args.scroll_height .. 'px' or args.scroll_height
 				}
 				:node(not (p.scroll_head_unlock or p.no_column_head) and
 					tab:css{['margin-top'] = math.floor(-10 * (lock_height * 1.4 + 1.6)/(fontSize or .9)) / 10 .. 'em', ['padding-top'] = '-3px'}
 					or tab
 				)
 			:done()
 		or tab
 end
 
 --[[local standard = {
 	'beta' = {
 		bold_winner = 'high',
 		omit_blanks = 'yes',
 		auto_3rd = 'yes'
 	}
 }--]]
 function p.main(frame, columns)
 	local args = require'Module:Arguments'.getArgs(frame, {trim = false})
 	args.columns = args.columns or columns
 	return p._main(args)
 end
 
 function p.seed(frame)
 	local parent = frame:getParent() or frame
 	function arg(k, alt)
 		return parent.args[k] or frame.args[k] or alt
 	end
 	local padding, width = arg(2, p.teamBoxPadding()), arg(3, arg('widescore') and 40 or 30)
 	padding = tonumber(padding) and tonumber(padding) .. 'px' or padding
 	width = tonumber(width) and tonumber(width) .. 'px' or width
 	return mw.html.create'div'
 		:css{
 			margin = ('-1px %s -1px -%s'):format(padding, padding),
 			float = 'left',
 			['background-color'] = p.bgColor.head,
 			border = '1px solid #aaa',
 			['text-align'] = 'center',
 			width = width
 		}
 		:wikitext(arg(1, '&amp;nbsp;'))
 end