If you don't already do it, set up separate branches for each advisor/supervisor so you can add their comments there, then merge it back with your own work. i.

If you don't already do it, set up separate branches for each advisor/supervisor so you can add their comments there, then merge it back with your own work. i.e., just pretend that they're using git too, but do it for them. And I second the pandoc recommendation if you can get it to work