navnedag: add reverse function
navnedag: add reverse function

Former-commit-id: 96f7cf4b69a831b78715792a61d0a2ff6baac1e3 [formerly 59ad4eaea24b9f6dc76b835d9da9181e1f65e885]
Former-commit-id: 446b256fa39cb120248f4bedbf6d9198ecb27358
haste/ivar2,torhve/ivar2,torhve/ivar2,torhve/ivar2