REQ9.1 all users, including anonymous users, must be able to choose their favorite language
REQ9.2 the application must remember the language preference during the user session.
REQ9.3 the application must store language preference permanently for registered users.
REQ9.1 all users, including anonymous users, must be able to choose their favorite language REQ9.2 the application must remember the language preference during the user session. REQ9.3 the application must store language preference permanently for registered users.