[TYPO3-core] RFC: #8817: bugfix - Copying Content Elements does not copy Language Overlays

[Tolleiv.Nietsch]

This is an SVN patch request.

Type: Bugfix

Bugtracker references:
http://bugs.typo3.org/view.php?id=8817

Branches:
trunk, (not sure if this should be back-ported)

Problem:
If someone copies a record with l10n-overlays the related l10n-overlays 
aren't copied the translation work has to be done again.

Solution:
Once a parent-record has l10n-overlays it's overlay-records should be 
copied aswell.

Notes:
Attached patch just triggers the copyRecord method for the related 
l10n-overlays and is therefore it's fully compatible to workspaces and 
versioning.

The API modifications from #539 within the t3lib_userauthgroup are 
required for this patch as well (relevant part attached as well).

The patch-file looks huge that's just because a large block is intended 
once more and therefore every enclosed line was "modified".

This is the last patch in the series of patches which are required to 
have a proper l10n-record handling.

I'd suggest to approve them on their own but commit them at once (single 
commits close to each other of course)... related issues are #539, 
#2314, #12269, #12271 and lot's of duplicates.

Cheers,
Tolleiv
-- 
Tolleiv Nietsch
www.tolleiv.de - www.aoemedia.de
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