- Add note on instanceof XXX / throw new IllegalArgumentException => XXX typehint transition
- Add note on instanceof XXX / throw new IllegalArgumentException => XXX typehint transition

git-svn-id: 526f3b90ad6d9b1dfe840af828070ca3d99521ac@9501 d2cacbed-c0f6-0310-851a-9dad52fc623a

johannes85/core