Caret disappearing and hanging above an empty document in Firefox

[martinkou]

Reproduction procedure:

1. Open sample01.html in Firefox.
2. Press Ctrl-A and Delete to delete all contents.
3. Press Enter.
4. Press Backspace.
5. Now the caret disappears.
6. Press the up arrow key.
7. Now the caret hangs above the empty document.

This bug can be reproduced on both the current SVN version and in 2.4.3.

[martinkou]

I found a more general case of the bug:

1. Do step 1 to 3 in the bug description.
2. Press Enter a few more times.
3. Press Backspace, and press it again.
4. Notice that, whenever you press backspace and get the caret into an empty <p> block, the caret disappears.

[martinkou]

Fixed with [656], [657] and [658].

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