Hotkeys
Ctrl+S
Save and quit editing DocComponent allow you to view the preview better.
Ctrl+↑ / Ctrl+↓
Move editing component up or down
Ctrl+Q
While start editing a component, (blue bar turn into green). It will auto make a backup This hotkey can switch between the editing and the old one.
Notice that it's NOT the REDO feture.
Ctrl+E
Switch between Edit mode and View mode