[TYPO3-shop] Problem with backPID

[Franz Holzinger]

Hello Christian,

> I'm now using version 2.5.10 and the problem as described above is
> gone. However, the fix seems to introduce a new problem. Now, if I put
> an item into the cart from the single view, the POST will go to the
> single view. So far, so good. However, tt_products will determine the
> backPID as the id I posted from which is already the single view.
> Therefore hitting the back button will now take me in loops and I will
> always stay on the single view page. While logically this makes perfect
> sense, it is obviously not what the user what expect the back button to
> do. Is this really a new bug or do I just lack some config? I'm setting
> PIDitemDisplay and PIDlistDisplay in my TS...

There is a new bug, because the backPID is always reassigned in the 
single view.

Check the attached patch.

- Franz