1 ! $layouts = al az br cn us
3 ! layout option = symbols
4 $layouts some:opt = +extra
6 ! layout[1] option = symbols
7 $layouts some:opt = +extra:1
9 ! layout[2] option = symbols
10 $layouts some:opt = +extra:2
12 ! layout[3] option = symbols
13 $layouts some:opt = +extra:3
15 ! layout[4] option = symbols
16 $layouts some:opt = +extra:4