neovim/neovim — pull request #1228 by mhinz (2014-09-23 16:04:03+00:00)
Title: [RFC] vim-patch:7.4.456

```
Problem: 'backupcopy' is global, cannot write only some
files in a different way.

Solution: Make 'backupcopy' global-local. (Christian Brabandt)
```

https://code.google.com/p/vim/source/detail?r=54194bd6ed607aa0cec07d8a27d4794573eabba9