Instructions

Click the following buttons.

1. Start with the outmost left one.
2. Click the middle one.
3. (The ouline will not be updated correctly.)
4. Click the right button.
5. This will crash Safari 1.3 (v176 and v170, no other configurations tested).
6. The combination 2. 1. 3. will also crash Safari.
7. 1. 3. will not crash Safari. (But the outline should vanish. Shouldn't it?)
8. 2. 3. will not crash Safari either.