[TYPO3-core] FYI48 #9051: On Mac Os X the key combination CMD+LEFT will close the t3editor

[Tobias Liebig]

This is SVN patch request.

Type: Bugfixes

Branches: trunk (4_3), 4_2

BT reference: http://bugs.typo3.org/view.php?id=9051


Problem:
On MacOS when hitting CMD+Left the user expects to jump to the beginning 
to the current line. But the browser is going to jump back one page and 
all changes in the t3editor get lost.

Solution:
Catch CMD+Left and CMD+Right and jump to the begining/end of the current 
line

Note:
The author of CodeMirror (Marijn Haverbeke) already solved this issue 
for the next release. The attached patch is a backport of Marijns bugfix.


Note:
I'm going to commit if no one complains within 48 hours


regards
    tobias
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