Labour pledges to abolish employment tribunal fee system... or does it?

The Labour party has, this morning, published its Work Manifesto, A Better Plan for Britain's Workplaces.

It pledges to abolish the "employment tribunal fee system" (p6 final paragraph).

But hang on...  is that abolishing fees entirely, or just the current system (and replacing it with another)?  It's not entirely clear.  At page 12, it says: "We will ask Acas to oversee a process led by the CBI and the TUC to ensure reforms to the system."  So it looks like the latter, and is a bit wishy-washy anyway.  Because we all know how often the CBI and TUC agree on things...