Modul:Trim quotes

localp={}
functionp._trim(s)
ifsthen
ifs:match([[^(['"]).*%1$]]) then return p._trim(string.sub(s,2,-2)) else return s end
	else
		return ""
	end
end
function p.trim(frame)
	local s = (frame.args['s'] or frame.args[1]) or (frame:getParent().args['s'] or frame:getParent().args[1])
	return p._trim(s)
end
return p