local p = {}

local getArgs = require('Module:Arguments').getArgs



function p.outdent (frame) 

	local args = getArgs(frame)

	local width = 0

	

	local reversed = args'reverse' or args'indent' or args'r' or args'in'	-- aliases for reverse

	if not args1 then args1 = '' end                                        -- un-nil args[1]

	

	width = width + select(2, string.gsub(args1],':',''))						-- increase by 1 for every :

	width = width + select(2, string.gsub(args1],'*',''))						-- increase by 1 for every *

	width = width + select(2, string.gsub(args1],'#','')) * 2					-- increase by 2 for every #

	

	if width == 0 then width = tonumber(args1]) end							-- set width to args[1] if needed



	if not width then width = 10 end											-- default width

	if width < 0

	then

		width = -width

		reversed = not reversed

	end

	if width > 40 then width = 40 end											-- max width

	

	width = width * 1.6															-- set width to proper width

	

	local top = '<span style="display:block;width:' .. width .. 'em;height:0.5em;' .. (width == 0 and '' or 'border-bottom:1px solid #AAA;') .. 'border-' .. ((width == 0 or reversed) and 'left' or 'right') ..':1px solid #AAA;"></span>' -- top half

	local bottom = '<span style="display:block;width:' .. width .. 'em;height:0.5em;border-' .. (reversed and 'right' or 'left') .. ':1px solid #AAA;"></span>' -- bottom half

	local note = args2 and '<span>([[Wikipedia:Indentation#Outdenting|outdent]])&#32;</span>' or '' -- note

	

	return '<div class="outdent-template" style="position:relative;left:1px;">' .. top .. bottom .. note .. '</div>';

end



return p