Module:Sandbox/CAS222222221/S

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

local function ref( a )
	local refPattern = '^(.+)(<%s*ref.+>)'
	local _, _, contentPart, refPart  = string.find( a or '', refPattern )
	
	return contentPart, ( refPart or '' )
end

local p = {}

function p.main(frame)
	local args = getArgs(frame)
	return p._main(args)
end
 
function p._main(args)
	-- Main module code goes here.
	local ret

	local pt1, pt2 = ref( args[1] )

	ret = "<i>" .. pt1 .. "</i>" .. pt2

	return ret
end
	
return p