We need to report when entering and/or exiting groups of cells. Either rows or columns can be grouped. Groups can also be nested, so we should report levels.
Incubated in cd543f6.
Incubated in 89e48fa.
Incubated in f508533.
In Microsoft Excel, NVDA now reports the level of a group of cells, a…
…s well as whether it is collapsed or expanded.