fab4b907f6
To make it easier to synchronise timing across multiple strips, if you add markers locally to an action, these will show up in the NLA strip in the NLA Editor. These markings can then be used to line up the start/end of another strip, or even to make sure that the markers from two different strips end up lining up. By default, this is turned on, but it can be disabled (via the View menu) if it adds too much visual noise.