I think I found it. It seems to be a translation issue after all, but in the ubuntu-release-upgrader package:
https://translations.launchpad.net/ubuntu/yakkety/+source/ubuntu-release-upgrader/+pots/ubuntu-release-upgrader/fr/57
So replacing & with & there ought to fix it.
I think I found it. It seems to be a translation issue after all, but in the ubuntu- release- upgrader package:
https:/ /translations. launchpad. net/ubuntu/ yakkety/ +source/ ubuntu- release- upgrader/ +pots/ubuntu- release- upgrader/ fr/57
So replacing & with & there ought to fix it.