oatmeal#emacsprose transcription/proofreading/annotation... manual sync bliss:
```
C-M-v ; (scroll-other-window) Scroll next window upward LINES lines; or near full screen if no ARG.
C-M-S-v ; (scroll-other-window-down)
Scroll next window downward LINES lines; or near full screen if no ARG.
```
`C-x o (other-window COUNT &optional ALL-FRAMES INTERACTIVE)` to switch back and forth between two windows
