| OLD | NEW |
| 1 ALERT: undefined | 1 ALERT: undefined |
| 2 ALERT: null | 2 ALERT: null |
| 3 CONFIRM: undefined | 3 CONFIRM: undefined |
| 4 CONFIRM: null | 4 CONFIRM: null |
| 5 PROMPT: undefined, default text: | 5 PROMPT: undefined, default text: |
| 6 PROMPT: null, default text: | 6 PROMPT: null, default text: |
| 7 ALERT: undefined | 7 ALERT: |
| 8 CONFIRM: undefined | 8 CONFIRM: |
| 9 PROMPT: undefined, default text: | 9 PROMPT: , default text: |
| 10 The alerts that show up (or if this is running under DRT, that is dumped) should
contain text; none should be empty. This isn't entirely consistent with other b
rowsers in every case, but since there's no real use case for this, it's best to
be explicit rather than subtle and empty. | 10 |
| OLD | NEW |