I am doing a preseed (actually only ask the keyboard map and timezone) of Lucid Lynx install and trying to use the same locale that I selected in the boot screen, I.E. if I select french lang I want to set the same when Ubiquity starts and see the Ubiquity slideshow in the locale previously selected.
I did a little test, edit the file langlist in the isolinux directory removing all the languages that I don't need, and replaced fr with fr_FR.UTF-8 and surprise! all the Ubiquity screen shows in french, the problem was when the installer finished the language in the OS was english :(
Anyone has tried this before? any clue? howto? manual?