[TYPO3-core] FYI: Fixed bug #12677: htmlArea RTE: Incorrect cursor position after backspace/delete in Firefox

[Stanislas Rolland]

FYI: The attached SVN patch was committed.

Type:
Bugfix

Problem:
In Firefox, the cursor position after a backspace/delete operation from 
an empty paragraph or list item that is directly beneath body is 
incorrect. Firefox inserts an unwanted text or br node.

Neither Opera, nor Webkit browsers require any post-processing of these 
operations.

Current legacy code ignores cursor repositioning.

Solution:
Remove superfluous text or br node and reset cursor position.

Bugtracker references:
http://bugs.typo3.org/view.php?id=12677

Branches:
trunk (revision 6478)
TYPO3_4-2 (revision 6479)

Regards,
Stanislas
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