'i' keybinding

In diff-mode buffers, the key "i" is bound to 'dvc-pop-to-inventory',
which is (currently) only defined in tla.

What is "inventory", in tla? I wonder if it has an analog in the other
backends.

I would rather use "i" for 'ignore', which is an commonly used
operation common to all backends.

I think single-letter bindings should be reserved for commonly used
operations that are common to most backends.

--
-- Stephe