Join GitHub today
Add option markdown-gfm-uppsercase-checkbox #236
If non-nil, use [X] for completed checkboxes, [x] otherwise. Default nil.
Although I prefer the aesthetics of lowercase, GFM allows both, whereas Org only
That's exactly what I would have done, and your history looks the same as mine, so I think you should be good now.
In the future, another option is to make a new "feature branch" and issue the PR from that branch. Then if we happen to diverge you can just delete that feature branch and pull from