History of EmuControl::_post 2 changes

In client/emu_control.py, lines 68–74 on 346ca3ee83f41f9495ac5380a55fe6fac1fa0369c3535942913f89d75c1f9f32. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 68,74:client/emu_control.py.