tomgross/plone.batching — comment on commit a13de315f9b692d87d5f9355623b8e4247d1afab
File: plone/batching/browser.py line 23
By alecpm:

If that's the case, it probably makes sense to remove all this batchformkeys related code. Clearly this was never implemented (the value is always None), so it's not really possible that anyone could be depending on it.