[NTG-context] Letter module : \enableregime for accents not working within the letter environment

Hi, In the following example, accents between \startletter and \stopletter only are not working. How could this be fixed ? Thank you in advance ! \usemodule[letter] \enableregime[il1] \setupletterstyle[reference][list=reference]\setupletter[reference=\leftaligned{Montréal}] \setupletter[ fromname={Montréal}, fromaddress={Montréal}, toname={Montréal}, toaddress={Montréal}, subject={Montréal}, opening={Montréal}, closing={Montréal}, signature={Montréal}, ] \starttext Montréal \startletter (startletter) Montréal Montréal Montréal Montréal (stopletter) \stopletter Montréal \stoptext Mathieu