Oil Buffer Unmodifiable After a File Operation

[unrealapex]

After modifying a file and returning to the Oil buffer, it is not modifiable.

[stevearc]

It took me a while to figure out how you triggered this. I'll add an issue template, but in the future I'd highly recommend providing exact steps for how to replicate the issue. It helps enormously when trying to reproduce it.

I was able to hit this by

1. Open an oil buffer nvim .
2. Make any edits (e.g. create a file)
3. :w
4. When the preview window is displayed, cancel it
   Expected: I should be able to make more changes to the oil buffer
   Actual: the oil buffer is not modifiable

If that was what was causing the problem for you, it should be fixed! If you were encountering it some other way, please provide detailed steps to reproduce it.

[unrealapex]

Indeed your commit fixed the issue. My apologies, I will do so next time.