On Sun, 24 Jul 2011, Frédéric Delanoy wrote: [...]
Did you use thin/normal non-breaking spaces?
I used regular non-breaking spaces.
Keep in mind that the space "width" and breakability rules change slightly between e.g. France and French-speaking Canada, and that some (most?) translation tools don't allow you to easily view/enter those characters.
Just for information, what are the differences?