See soorce fer Module:Sports table/sub

-- Subfunctions for this module that are called from the style modules
local ppp = {}

function ppp.colhead(ttt,width,text)
	-- For individual column headers
	local head_string
	if width=='auto' then
		head_string = '! scope="col" |'..text..'\n'
	else
		head_string = '! scope="col" width='..width..'|'..text..'\n'
	end

	ttt.count = ttt.count+1
	table.insert(ttt.tab_text,head_string)
	
	return ttt
end

function ppp.hth(frame,Args,full_table,hth_id_list,hth_local,notes_exist,team_list,team_code_ii,ii_start,ii_end,rand_val)
	-- For head-to-head notes
	local hth_string, hth_local_num, hth_id, k, hth_loc = '', nil, nil, nil, nil
	
	-- Check whether there is a head-to-head note or not, if so get text ready for it the same way as for the notes
	if hth_local and full_table then
		-- Set global check for notes to true
		notes_exist = true
		
		-- Split the hth_local into a table if all the entries are valid
		local multiref = 1
		local hth_local_table = mw.text.split(hth_local, '%s*,%s*')
		if (#hth_local_table > 1) then
			for k, hth_loc in ipairs(hth_local_table) do
				multiref = multiref * (Args['hth_' .. hth_loc] and 1 or 0)
			end
		else
			multiref = 0
		end

		-- Split failed, so make a single entry table with hth_local inside
		if multiref < 1 then
			hth_local_table = { hth_local }
		end

		for k,hth_loc in ipairs(hth_local_table) do
			if not Args['hth_'..hth_loc] then
				-- Option 1
				-- Now define the identifier for this
				hth_id = '"table_hth_'..team_code_ii..rand_val..'"' -- Add random end for unique ID if more tables are present on article (which might otherwise share an ID)
				hth_id_list[team_code_ii] = hth_id
				-- Call refn template
				hth_string = hth_string .. frame:expandTemplate{ title = 'efn', args = { group='Table_notes',  name=hth_id, hth_loc} }
			else 
				-- Option 2
				hth_local_num = team_list[hth_loc]
				if hth_id_list[hth_loc] or ((hth_local_num >= ii_start) and (hth_local_num <= ii_end)) then
					-- Option 2a
					hth_id = '"table_hth_'..hth_loc..rand_val..'"'
					hth_string = hth_string .. frame:extensionTag{ name = 'ref', args = { group = 'lower-alpha', name = hth_id} }
				else
					-- Option 2b
					hth_id = '"table_hth_'..hth_loc..rand_val..'"' -- Add random end for unique ID
					hth_id_list[hth_loc] = hth_id
					-- Call refn template
					hth_string = hth_string .. frame:expandTemplate{ title = 'efn', args = { group='Table_notes',  name=hth_id, Args['hth_'..hth_loc]} }
				end
			end
		end
	end
	
	return {str=hth_string, list=hth_id_list, notes_exist=notes_exist}
end

return ppp