History of EmuControl::_post 2 changes

In client/emu_control.py, lines 68–74 on bed0f1e524fef708c855791a30d54b455bbe957f85f87cf0879a8cf3ff44287e. 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.